Men In Denmark Research Articles

Early experience with targeted and combination biopsies in prostate cancer work-up in Denmark from 2012 to 2016

PurposeTo investigate the early implementation of combined systematic and targeted (cBx) primary biopsy in prostate cancer diagnosis and define the concordance in Gleason grading (GG) of different biopsy techniques with radical prostatectomy (RP) pathology.MethodsThis population-based analysis includes data on all men in Denmark who underwent primary cBx or standalone systematic (sBx) prostate biopsy between 2012 and 2016. Biopsy results were compared to RP pathology if performed within a year. Concordance measurement was estimated using Cohen’s Kappa, and the cumulative incidence of cancer-specific death was estimated at 6 years with the Aalen-Johansen estimator.ResultsConcordance between biopsy and RP pathology was 0.53 (95CI: 0.43–0.63), 0.38 (95CI: 0.29–0.48), and 0.16 (95CI: 0.11–0.21) for cBx, targeted biopsy (tBx), and sBx, respectively. For standalone sBx and RP, concordance was 0.29 (95CI: 0.27–0.32). Interrelated GG concordance between tBx and sBx was 0.67 (95CI: 0.62–0.71) in cBx. The proportion of correctly assessed GG based on RP pathology was 54% in both cBx and standalone sBx. Incidence of prostate cancer-specific death was 0% regardless of biopsy technique in GG 1, and 22% (95CI: 11–32), 30% (95CI: 15–44), and 19% (95CI: 7.0–30) in GG 5 for cBx, tBx, or sBx, respectively.ConclusionOverall, the cBx strategy demonstrates higher concordance to RP pathology than the standalone sBx. However, cBx exhibits more overgrading of the GG of RP pathology compared to sBx. Ultimately, the classic grading system does not take change in the diagnostic pathway into account, and grading should be altered accordingly to ensure appropriate treatment.

Effectiveness of historical smallpox vaccination against mpox clade II in men in Denmark, France, the Netherlands and Spain, 2022.

BackgroundIn 2022, a global monkeypox virus (MPXV) clade II epidemic occurred mainly among men who have sex with men. Until early 1980s, European smallpox vaccination programmes were part of worldwide smallpox eradication efforts. Having received smallpox vaccine > 20 years ago may provide some cross-protection against MPXV.AimTo assess the effectiveness of historical smallpox vaccination against laboratory-confirmed mpox in 2022 in Europe.MethodsEuropean countries with sufficient data on case vaccination status and historical smallpox vaccination coverage were included. We selected mpox cases born in these countries during the height of the national smallpox vaccination campaigns (latest 1971), male, with date of onset before 1 August 2022. We estimated vaccine effectiveness (VE) and corresponding 95% CI for each country using logistic regression as per the Farrington screening method. We calculated a pooled estimate using a random effects model.ResultsIn Denmark, France, the Netherlands and Spain, historical smallpox vaccination coverage was high (80-90%) until the end of the 1960s. VE estimates varied widely (40-80%, I2 = 82%), possibly reflecting different booster strategies. The pooled VE estimate was 70% (95% CI: 23-89%).ConclusionOur findings suggest residual cross-protection by historical smallpox vaccination against mpox caused by MPXV clade II in men with high uncertainty and heterogeneity. Individuals at high-risk of exposure should be offered mpox vaccination, following national recommendations, regardless of prior smallpox vaccine history, until further evidence becomes available. There is an urgent need to conduct similar studies in sub-Saharan countries currently affected by the MPXV clade I outbreak.

Associations between knowledge of health issues and health care satisfaction and propensity to complain: a cross-sectional survey of adult men in Denmark

ObjectivesThe objective of this study was to investigate associations between knowledge of health issues and healthcare satisfaction and propensity to complain including the association between knowledge and greater patient involvement.DesignThe...

Prevalence of Human Papillomavirus (HPV) and HPV Type Distribution in Penile Samples in Young Men in Denmark: Results 10 Years After Implementation of a Girls-Only HPV Vaccination Program.

In Denmark, a girls-only human papillomavirus (HPV) vaccination program was initiated in 2008-2009. The study aim was to assess the HPV prevalence and type distribution in younger men prior to HPV vaccination in men. The study population was younger men who attended information days regarding military service. At random days (2019-2020), 280 men were included. We collected questionnaire data regarding risk factors for HPV infection and a penile swab for HPV testing. We compared results in this study with those from a previous study of young men (2006-2007). The majority of participants (94%) were 18-20 years old. The median number of lifetime sexual partners was 4. Altogether, 130 men (46.4%) were HPV positive. No infections with HPV types 6, 11, 16, 18, 31, and 45 were detected. The most frequent type was HPV-51 (detected in 11.1%). Comparison showed that the odds of high-risk HPV type infection were higher in 2019-2020 (prevalence odds ratio [POR], 1.7 [95% confidence interval {CI}, 1.1-2.7]) compared with 2006-2007. In contrast, the odds were lower (POR, 0.3 [95% CI, .1-.6]) for HPV types targeted by the 9-valent HPV vaccine. The multicohort girls-only vaccination program has to a large degree protected young men against the HPV types included in the licensed vaccines. This does not speak against gender-neutral vaccination as the HPV prevalence is still high, although consisting largely of less carcinogenic HPV types.

INCONSISTENT ESTIMATES OF POOR HEALTH BETWEEN EUROPEAN SURVEYS—A MATTER OF SURVEY DESIGN?

Abstract Several studies have reported about inconsistencies in survey estimates on health, both within and between countries. One potential source of inconsistency in results from population surveys is survey quality. In particular, the prevalence of poor health among older people is sensitive for survey design factors and the inclusion of older people with poor health. We aimed to explore the association between survey design factors and within-country differences (between EU-SILC and SHARE) in estimated prevalence of poor health (long-term illness and global activity limitation (GALI)) among older people. The analyses include people 65 years and older from 25 European countries with data collections both in SHARE and EU-SILC 2017. Results show substantial differences in sociodemographic factors and estimates of poor health, both between and within countries. The within-country differences in the prevalence of long-term illness ranged from -18 percentage points for men in Denmark (lower in EU-SILC compared with SHARE) to 42 percentage points for women in Cyprus (higher in EU-SILC compared with SHARE). The prevalence of GALI showed similar patterns. We conclude that estimates of poor health, measured by long-term illness and GALI, have great variation between surveys within the same country. Survey design factors, such as response rate and the type and number of survey mode seems to explain part of these inconsistencies. Population surveys are widely used for monitoring health and the results from these surveys are utilized in health policy planning. Thus, it is crucial to understand the possible impact of survey design on health estimates.

Workings of Pre-Exposure Prophylaxis (PrEP) citizenship amongst queer men in Denmark

In 2019, oral Pre-Exposure Prophylaxis (PrEP), a HIV prevention pill, was made available for ‘at risk’ populations in Denmark with uptake primarily seen amongst men who have sex with men. While PrEP has provided both a revolutionary and emancipatory shift in HIV prevention, providing sexual freedom, safety and health, it is accompanied with firm medical and social surveillance, through which ‘PrEP citizenships’ are produced. This article draws on visual ethnographic data to explore how PrEP users in Denmark experience and reflect on the types of ‘work’ involved with, and moralities arising from, this ‘PrEP citizenship’. We argue that PrEP citizenship is contingent on the resources and abilities of individuals to proactively engage with this ‘work’ and balance the moral ambiguities of PrEP and we demonstrate that engagement with biomedical HIV prevention methods is an inherently social practice, making it desirable and possible for some to access, but not others.

“We're opening 20 doors!“: Exploring the collective dimensions of Shared Reading as mental health promotion among newly retired men in Denmark

Retirement is a significant life transition, bringing with it structural and social alterations in everyday life. For older men, work life is an important source of identity and meaning, and retirement may therefore lead to diminished well-being due to loss of occupational attachments. This calls for a need to address men's life transitions in health-promoting interventions and to explore how to introduce positive changes in retired men's mental health. Studies have investigated mental health effects of Shared Reading (SR) with promising results, but the impact of a collective reading experience on the positive mental health of male retirees has not been investigated. This study explores the mental health-promoting potential of SR among newly retired men in Denmark through an investigation of collective dimensions of the SR experience. The study identified three central collective dimensions of the SR experience: awareness and presence, sense-making, and social connectivity. Through these dimensions, SR provides a space for 1) affective, existential, and social stimulation; 2) shared reflection on both real and imagined past, present, and future lives; and 3) the (re)establishment or maintenance of senses of engagement, meaning, and community. On this basis, it is concluded that SR holds a potential to promote different aspects of positive mental health, i.e., affective well-being, meaning-making, and a sense of community for newly retired men.

Risk of prostate cancer and death after benign transurethral resection of the prostate-A 20-year population-based analysis.

The oncological risks after benign histology on a transurethral resection of the prostate (TURP) remain largely unknown. Here, the risk of prostate cancer incidence and mortality following a benign histological assessment of TURP is investigated in a population-based setting. Between 1995 and 2016, 64,059 men in Denmark underwent TURP without prior biopsy of the prostate; 42,558 of these men had benign histology. The risks of prostate cancer, prostate cancer with a Gleason score ≥ 3 + 4, and prostate cancer-specific death were assessed with competing risks. Specific risks for pre-TURP prostate-specific antigen (PSA) levels at 10 and 15 years were visualized by locally estimated scatterplot smoothing. The median age at TURP was 72 years (interquartile range [IQR], 65-78 years), and the median follow-up was 15 years (IQR, 10-19 years). The 10-year risks of any prostate cancer and prostate cancer with a Gleason score ≥ 3 + 4 and the 15-year risk of prostate cancer death showed clear visual relations with increasing PSA. The 15-year cumulative incidence of prostate cancer-specific death after benign TURP was 1.4% (95% confidence interval [CI], 1.3%-1.6%) for all men and 0.8% (95% CI, 0.6%-1.1%) for men with PSA levels <10 ng/ml. The primary limitation was exclusion due to missing PSA data. Men with low PSA levels and a benign TURP can be reassured about their cancer risk and do not need to be monitored differently than any other men. Patients with high PSA levels can be considered for further follow-up with prostate magnetic resonance imaging. These findings add to the literature suggesting that normal histology from the prostate entails a low risk of death from the disease. There is little knowledge about the oncological risks after the surgical treatment of benign prostatic hyperplasia. This study shows a very low risk of adverse oncological outcomes in men with prostate-specific antigen (PSA) levels below 10 ng/ml at the time of transurethral resection of the prostate. Patients with higher PSA levels may need more extensive follow-up.

P-497 Men’s attitude towards two fertility education interventions and preferences for future fertility awareness initiatives

Abstract Study question What are men's preferences for communication of fertility information and how to target prevention efforts to promote men to make informed decisions regarding family formation? Summary answer Men preferred fertility education interventions to use positive language to create new knowledge, include personal stories as conversation starters, and be provided in different formats. What is known already The far majority of men in Denmark wants to become fathers; however, 20% of 50-year-old men are childless compared to 12% among women. Around 40% of men in Denmark have reduced semen quality. Previous studies have found that men have insufficient knowledge about fertility, infertility and associated risk factors, and that men want to receive more information about fertility when they are young. Only few intervention studies have been performed about how to increase men’s and women’s fertility knowledge, and even fewer studies have focused only on men. Study design, size, duration Qualitative focus group discussions with 13 men assigned into five focus groups were carried out. Two interventions were introduced; an episode from the podcast “Actually you don’t have to wait that long” about two couples who have become parents in their mid-twenties, and an informational poster developed by The International Fertility Education Initiative was shown during the group discussions. The interviews took place online over Zoom in January 2021. Interviews ranged in average 91 minutes. Participants/materials, setting, methods All participants were recruited through Facebook and social networks. The interviewed men were young, childless aged 25-32 in a committed relationship and all residents in Copenhagen, Denmark. Focus group questions were semi-structured and examined the men’s reactions to the podcast and poster and preferences for communication of fertility information. The focus group discussions were recorded, anonymized and transcribed. Data were analyzed using Graneheim and Lundman's method of qualitative content analysis. Main results and the role of chance The overall themes were: “Poster: source of information”, “Podcast: report from the lived life” and “Information targeting men”. The men’s reactions to the poster and podcast were categorized into the sub-themes benefits and critiques and suggestions. Benefits of the poster was that it included important knowledge and was relevant to a large target group. Critiques were that it had too much information and lacked the emotional aspect of family formation. They wished for more positive languaging and communication about the fertility information on the poster. The benefit of the podcast was the use of personal stories to highlight the emotional aspect of family formation which was a conversation starter for partners. Critiques were that some men found the personal stories unrelatable and believed it didn’t contribute new knowledge. They suggested to include couples with fertility problems with an expert. According to men, future interventions should focus on how information is communicated. It should be factual, include humor and not be negative or shameful. Different formats to provide fertility information including TV-programs, podcasts, and social media interventions should be used to reach the most men in different ways. They also suggested fertility information should be included in sexual education in school. Limitations, reasons for caution All men were residents of the capital city Copenhagen, and men with a short education were underrepresented. Therefore, our results may not represent the opinions of all men aged 25-32 years in Denmark. Wider implications of the findings In the future fertility awareness campaigns should be developed in cooperation with the target group together with clinicians, and concurrent intervention studies on the developed methods should be performed. In all probability, a mix of different interventions will be necessary to attain the desired effect to ensure long-lasting fertility awareness. Trial registration number Not applicable

Health outcomes in young adulthood among former child refugees in Denmark, Norway and Sweden: A cross-country comparative study.

This study aimed at comparing several health outcomes in young adulthood among child refugees who settled in the different immigration and integration policy contexts of Denmark, Norway and Sweden. The study population included refugees born between 1972 and 1997 who immigrated before the age of 18 and settled in the three Nordic countries during 1986-2005. This population was followed up in national registers during 2006-2015 at ages 18-43 years and was compared with native-born majority populations in the same birth cohorts using sex-stratified and age-adjusted regression analyses. Refugee men in Denmark stood out with a consistent pattern of higher risks for mortality, disability/illness pension, psychiatric care and substance misuse relative to native-born majority Danish men, with risk estimates being higher than comparable estimates observed among refugee men in Norway and Sweden. Refugee men in Sweden and Norway also demonstrated increased risks relative to native-born majority population men for inpatient psychiatric care, and in Sweden also for disability/illness pension. With the exception of increased risk for psychotic disorders, outcomes among refugee women were largely similar to or better than those of native-born majority women in all countries. The observed cross-country differences in health indicators among refugees, and the poorer health outcomes of refugee men in Denmark in particular, may be understood in terms of marked differences in Nordic integration policies. However, female refugees in all three countries had better relative health outcomes than refugee men did, suggesting possible sex differentials that warrant further investigation.

Oral and anal carriage of Neisseria meningitidis among sexually active HIV-infected men who have sex with men in Denmark 2014–15

IntroductionOutbreaks of invasive meningococcal disease (IMD) among men who have sex with men (MSM) caused by a hypervirulent, non-encapsulated Neisseria meningitidis (Nm) clone belonging to genogroup C have been described. We aimed to determine the oral and anal carriage rates and genogroups of Nm among MSM living with HIV. MethodsSexually active MSM living with HIV were included. A questionnaire, an oral wash sample and an anal swab were collected at baseline and 12 months follow-up. Identification of Nm and genogrouping was performed using real-time polymerase chain reaction analysis. ResultsAmong 82 MSM, the Nm carriage rate was 31.7% (95% CI 21.9–42.9) at baseline. The oral carriage rate was 24.4% (95% CI 15.6–35.1) and the anal rate was 11.0% (95% CI 5.1–19.8). Non-groupable Nm were most prevalent followed by genogroup B and genogroup Y. Rates were similar at follow-up. ConclusionStrains of Nm were detected in both oral washes and anal samples in our study. Our results suggest that Nm may be transmitted sexually among MSM. Non-groupable Nm were predominant in our population and no genogroup C Nm were detected.

Male cellular telephone exposure, fecundability, and semen quality: results from two preconception cohort studies.

To what extent is exposure to cellular telephones associated with male fertility? Overall, we found little association between carrying a cell phone in the front pants pocket and male fertility, although among leaner men (BMI <25 kg/m2), carrying a cell phone in the front pants pocket was associated with lower fecundability. Some studies have indicated that cell phone use is associated with poor semen quality, but the results are conflicting. Two prospective preconception cohort studies were conducted with men in Denmark (n = 751) and in North America (n = 2349), enrolled and followed via the internet from 2012 to 2020. On the baseline questionnaire, males reported their hours/day of carrying a cell phone in different body locations. We ascertained time to pregnancy via bi-monthly follow-up questionnaires completed by the female partner for up to 12 months or until reported conception. We used proportional probabilities regression models to estimate fecundability ratios (FRs) and 95% confidence intervals (CIs) for the association between male cell phone habits and fecundability, focusing on front pants pocket exposure, within each cohort separately and pooling across the cohorts using a fixed-effect meta-analysis. In a subset of participants, we examined selected semen parameters (semen volume, sperm concentration and sperm motility) using a home-based semen testing kit. There was little overall association between carrying a cell phone in a front pants pocket and fecundability: the FR for any front pants pocket exposure versus none was 0.94 (95% CI: 0.0.83-1.05). We observed an inverse association between any front pants pocket exposure and fecundability among men whose BMI was <25 kg/m2 (FR = 0.72, 95% CI: 0.59-0.88) but little association among men whose BMI was ≥25 kg/m2 (FR = 1.05, 95% CI: 0.90-1.22). There were few consistent associations between cell phone exposure and semen volume, sperm concentration, or sperm motility. Exposure to radiofrequency radiation from cell phones is subject to considerable non-differential misclassification, which would tend to attenuate the estimates for dichotomous comparisons and extreme exposure categories (e.g. exposure 8 vs. 0 h/day). Residual confounding by occupation or other unknown or poorly measured factors may also have affected the results. Overall, there was little association between carrying one's phone in the front pants pocket and fecundability. There was a moderate inverse association between front pants pocket cell phone exposure and fecundability among men with BMI <25 kg/m2, but not among men with BMI ≥25 kg/m2. Although several previous studies have indicated associations between cell phone exposure and lower sperm motility, we found few consistent associations with any semen quality parameters. The study was funded by the National Institutes of Health, grant number R03HD090315. In the last 3 years, PRESTO has received in-kind donations from Sandstone Diagnostics (for semen kits), Swiss Precision Diagnostics (home pregnancy tests), Kindara.com (fertility app), and FertilityFriend.com (fertility app). Dr. L.A.W. is a fibroid consultant for AbbVie, Inc. Dr. H.T.S. reports that the Department of Clinical Epidemiology is involved in studies with funding from various companies as research grants to and administered by Aarhus University. None of these studies are related to the current study. Dr. M.L.E. is an advisor to Sandstone Diagnostics, Ro, Dadi, Hannah, and Underdog. Dr. G.J.S. holds ownership in Sandstone Diagnostics Inc., developers of the Trak Male Fertility Testing System. In addition, Dr. G.J.S. has a patent pending related to Trak Male Fertility Testing System issued. N/A.

Reopening elite sport during the COVID-19 pandemic: Experiences from a controlled return to elite football in Denmark.

As the SARS‐CoV‐2 infection rate decreased in spring 2020, phased reopening of Danish society began, including a reopening of elite football (soccer), adhering to a strict protocol. In this study, we report the consequences of resumption of competitive play in the two best football (soccer) leagues for men in Denmark measured by number of SARS‐CoV‐2 positive players. The players were tested weekly for SARS‐CoV‐2 for 11 consecutive weeks. The test protocol comprised 26 teams with 748 players. In total, 6511 tests were done with a positivity rate of 0.06%. The incidence rate of players testing positive for SARS‐CoV‐2 was 0.53% (4/748). There were no signs of a chain of infection. We found a low incidence rate of SARS‐CoV‐2, and based on this, a controlled reopening of professional football strictly following a detailed protocol appears safe for the players.

Emergent fatherhood: new articulations of fatherhood among Muslim men in Denmark

This article explores how new practices and articulations of fatherhood are emerging among Muslim men in Denmark. With an explicit focus on care as both practice and ideal, the article accounts for the emergence of new forms of fatherly commitment, intimacy, and caregiving in domestic life. Drawing on ethnographic material from different social housing areas in and around the city of Copenhagen, I show how these new practices and imaginaries of fatherhood are assemblages of both Islamic ethics and values afforded by the Danish welfare state. Exploring the interlacement of care, Islam, and fatherhood in Denmark, the article provides a nuanced perspective on the various social roles of Muslim men as both fathers, sons, and husbands.

Taking fertility for granted – a qualitative exploration of fertility awareness among young, childless men in Denmark and Sweden

Most previous studies about fertility knowledge and attitudes among men have been based on quantitative methods using questionnaires with fixed-choice response options. The aims of this qualitative study were to explore childless young men’s reflections on fertility and infertility through semi-structured interviews. Danish (n = 17) and Swedish (n = 12) young childless men aged between 20 and 30 years in their last year of education were interviewed. Data were analysed using qualitative content analysis. Few informants had considered their own fertility, and most were positive towards fertility treatment. The young men had inadequate knowledge about factors that can potentially impair male and female fertility. On average, the young men each mentioned three different factors they believed influence male and female fertility: (i) health behaviour; (ii) factors beyond personal control; and (iii) age. None mentioned sexual transmitted infections (STIs) but most appeared aware of the effect of increasing age on fertility. The results of this study highlight the need for educational strategies to improve young men’s knowledge about fertility and the factors that influence it, particularly about the potential adverse effect of STIs on fertility.

Experiencing police violence and insults: narratives from ethnic minority men in Denmark

ABSTRACT Young men living in socially deprived areas are more likely to be exposed to criminal activity and extraordinary policing measures. This article focuses on the narratives of police encounters told by ethnic minority young men living in a deprived neighbourhood in Denmark, defined by the Danish government as a ‘ghetto’. In total, 76 young men and 6 young women (age 15 to 26) were interviewed between 2016 and 2017. The article focusses on their experiences of the police’s use of force, interpreted as violence by the participants. We have categorized their experiences into three types: unnecessary use of force, inconsistent violence, and humiliation/insults. While police violence is often understood as primarily physical, we also show that in the young people’s recollections of these incidences, issues of ‘moral violence’ becomes important. While not only specifically violating the body, this type of violence also affects the integrity and dignity of individuals. Our participants recounted forms of violence, which were extra-judicial in terms of physical use of force and they described how the police used indirect and degrading techniques of violence, some of which can be categorized as sexual harassment, embarrassment and public humiliation. From their perspectives, police power appeared unpredictable and illegible.

The Modifying Influence of Family Social Background on the Association Between IQ and Unsuccessful Educational and Occupational Achievement

Abstract. The present register-based study investigated whether family social background modified the association between intelligence and unsuccessful educational and occupational achievement among young men in Denmark. The study population comprised all men born during the period from 1981 to 1991 who had appeared before a draft board until 2015 ( N = 277,938). Family social background was measured by parental educational attainment at the birth of the study population. Intelligence was assessed by IQ scores on Børge Priens Prøve at age 18. Unsuccessful educational and occupational achievement were measured by no completed youth education at age 25, by no completed education leading to vocational qualifications at age 30, by not being in employment, education, or training (NEET) at age 30, and by gross income at age 30. Binary logistic regression and median regression were used to estimate the combined influence of family social background and IQ on unsuccessful educational and occupational achievement. The results showed that family social background modified the associations of IQ with risk of no youth education at age 25 and gross income at age 30, but the modifying influence seemed to depend on both the IQ level and the outcome indicator. Family social background was not found to modify the associations of IQ with risk of no vocational qualification at age 30 and risk of being NEET at age 30. In conclusion, the study findings suggest that several mechanisms might be at work in the complex and intertwined influences of family social background and intelligence on the risk of unsuccessful educational and occupational achievement.

The influence of familial factors on the association between IQ and educational and occupational achievement: A sibling approach

The present register-based study investigated the influence of familial factors on the association of IQ with educational and occupational achievement among young men in Denmark. The study population comprised all men with at least one full brother where both the individual and his brothers were born from 1950 and appeared before a draft board in 1968–1984 and 1987–2015 (N = 364,193 individuals). Intelligence was measured by Børge Priens Prøve at age 18. Educational and occupational achievement were measured by grade point average (GPA) in lower secondary school, time to receiving social benefits at ages 18–30, and gross income at age 30. The statistical analyses comprised two distinct statistical analyses of the investigated associations: A conventional cohort analysis and a within-sibship analysis in which the association under investigation was analysed within siblings while keeping familial factors shared by siblings fixed. The results showed that an appreciable part of the associations of IQ with educational and occupational achievement could be attributed to familial factors shared by siblings. However, only the within sibling association between IQ and GPA in lower secondary school clearly differed from the association observed in the cohort analysis after covariates had been taken into account.

The labor market gender gap in Denmark: Sorting out the past 30 years

We document the declining gap between the average earnings of women and men in Denmark from 1980 to 2010. The decline in the earnings gap is driven by increases in hours worked by women as well as a decline in the gender wage gap. The data show a great deal of segregation across education tracks, occupations, and even workplaces, but this segregation has declined since 1980. These changes in segregation have been accompanied by a reduction in the role of observables in explaining the gender wage gap. The residual gender wage gap has been constant since 1980. The hours gap is not affected by changes in segregation at the occupation and education level: differences in these characteristics for women relative to men do not contribute to the hours gap in 2010 and they did not in 1980. However, a firm-worker fixed effects analysis suggests that 30 percent of the gender hours gap can be explained by the sorting of women into lower-hours workplaces. The hours gap is driven by mothers, the group for whom differences in employer, occupation, education, and experience also imply large differences in wages. The combined effect of hours and wages is a more than 20 percent gender earnings gap among well-attached (halftime-plus) workers between 25 and 60 years old, 10 percent of which cannot be explained by differences in hours, or in the readily observable characteristics of these workers.

Low IQ as a predictor of unsuccessful educational and occupational achievement: A register-based study of 1,098,742 men in Denmark 1968–2016

The present register-based study investigated the role of IQ in predicting a wide range of indicators of unsuccessful educational and occupational achievement among young men born across five decades in Denmark. The study population comprised all men who have been born since 1950 and have appeared before a draft board during the periods from 1968 to 1984 and from 1987 to 2015 (N = 1,098,742). IQ was assessed by Børge Priens Prøve at age 18. Unsuccessful educational achievement was indicated by leaving lower secondary school without a certificate, by no completed youth education at age 25, by no completed education leading to vocational qualifications at age 30, and by the total number of interruptions to education at age 30. Unsuccessful occupational achievement was indicated by not being in employment, education or training at age 30, by unemployment at age 30, by receiving sickness benefits at age 30, by receiving welfare benefits at age 30, by receiving disability pension at age 30, and by gross income at age 30. Binary logistic regression, negative binomial regression and median regression were used to estimate the associations of IQ with unsuccessful educational and occupational achievement. The results showed that low IQ was a strong and consistent predictor of all indicators of unsuccessful educational and occupational achievement. In conclusion, the study findings suggest that assessment of intelligence may provide crucial information for educational planning and counselling of poor-functioning schoolchildren and adolescents with regard to both the immediate educational goals and the more distant work-related future.