German Aging Survey Research Articles

Socioeconomic differences in limited lung function: a cross-sectional study of middle-aged and older adults in Germany

BackgroundLimited lung function represents a serious health impairment. However, studies investigating social inequalities in limited lung function are rare. Thus, the current study investigates which socioeconomic groups are the most affected by overall limited lung function and severely limited lung function.MethodsData from the population-based German Aging Survey were used (N = 4472), with participants being 40 + years old. Lung function was assessed by the peak flow test. Education, income, and occupational prestige were used as socioeconomic indicators.ResultsWe found that overall limited lung function was highly prevalent across the whole sample, with about 33% (Women: 35%; Men: 30%) having overall limited lung function and 8% (Women: 7%; Men: 8%) having severely limited lung function. Socioeconomic differences in limited lung function emerged for all three indicators, education, income, and occupational prestige, in both men and women in single effect analyses. These differences persisted for occupational prestige and income when controlling for all indicators simultaneously.ConclusionsThus, overall and severely limited lung function are highly prevalent health conditions. Men and women with a low occupational position and those with low income are the most affected. Socioeconomic indicators cannot be used interchangeably when studying health inequalities in lung functioning. Occupational hazards and physical working conditions are likely to constitute major risks of health inequalities in limited lung functioning and should be investigated as such by future studies.

Social Inequalities in Loneliness: Disentangling the Contributions of Education, Income, and Occupation

Loneliness represents a serious health risk. However, studies investigating social inequalities in loneliness are rare. Thus, the current study investigates which socioeconomic groups are the most affected by loneliness. Data from the population-based German Aging Survey were used ( N = 3,784), with participants being 40+ years old. Education, income, and occupational prestige were used as socioeconomic indicators. It was found that loneliness scores were descriptively higher in groups with lower educational attainment, lower income and lower occupational prestige. In a linear regression analysis, significant socioeconomic differences in loneliness emerged only for income and occupational prestige. Thus, individuals with a low occupational position and those with low income are systematically more affected by loneliness than higher status groups. Material and occupational resources are likely to constitute major socio-structural explanatory variables for loneliness and should be further investigated as such by future studies.

Baby Boomers and Their Voluntary Engagement: A Cohort Comparison Among the Middle-Aged and Older Population in Germany

The aim of this study is to compare the levels of volunteering by German baby boomers, who are currently in their fifties and sixties, to cohorts born earlier. Using data from the German Aging Survey (DEAS), logistic and negative binomial regressions were employed to analyze the prevalence and time contributions that baby boomers invest in volunteering. The study indicates a higher prevalence of volunteering by baby boomers compared with earlier-born cohorts and suggests that the large size of this cohort will imply high levels of volunteering that could increase even further as the cohort approaches retirement. Moreover, our findings suggest stability in voluntary time contributions by baby boomers compared with earlier-born cohorts; this contrasts with the existing research showing decreased overall time contributions to volunteering. The study underscores the importance of considering cohort-specific differences in voluntary engagement behavior to gain a deeper understanding of the dynamics of volunteering.

Time trends in limited lung function among German middle-aged and older adults

Limited lung function represents a serious health impairment. However, studies investigating changes in limited lung function over time are rare. Thus, the current study investigates time-related changes in limited lung function and potential social inequalities. Data from the 2008 and 2017 waves of the population-based German Aging Survey were used in a repeated cross-sectional study design (N = 8778), including participants aged 40 years and older. Lung function was assessed by the peak flow test. Socio-economic indicators included educational attainment, income and occupational group. Additionally, smoking history, occupational exposure to fumes and gases, and physical exercise were used as potentially explanatory variables for the observed changes. We found that the prevalence of limited lung function decreased strongly over time on a descriptive level from 9.0 to 5.4%. In line with these results, a decreasing trend emerged (OR = 0.48) when controlling for age and gender differences. When additionally controlling for changes in socio-economic indicators and explanatory variables there were still significant decreases over time, but the decline was slightly reduced (OR = 0.57). Moreover, similar significant relative decreases over time occurred for middle-aged and older participants, female and male participants, and those belonging to the different socio-economic groups. Thus, limited lung function generally decreased over time. This decrease could partially be explained by beneficial developments in socio-economic indicators, smoking, occupational exposures, and physical exercise. Future studies might investigate how changes in medicinal treatment and prevention efforts have contributed to the observed beneficial trends in lung health.

THE CO-EVOLUTION OF PERSONAL NETWORKS AND LONELINESS FOLLOWING WIDOWHOOD FOR MEN AND WOMEN

Abstract Late-life transitions such as widowhood often re-calibrate people’s close personal networks. Some network change—particularly growth in network size and closer geographic access to network members—is assumed to protect against loneliness, but scholars have yet to systematically examine these processes post widowhood. This study uses data from four waves of the German Aging Survey (DEAS), conducting gender-specific hybrid panel modeling to estimate both within- and between-individual effects of (1) network conditions up to seven years past widowhood, and (2) the effects of network change on loneliness. Results reveal that network size takes on a reversed U-shape: Germans becoming widowed tend to see an influx of new core ties from beyond their family, but this trend slows and reverses with time. There was also some evidence of non-linear change related to distance: geographic distance to core network members tended to shrink following widowhood before expanding back outward. Furthermore, moderation analyses an important role for these network characteristics on loneliness. Larger non-kin networks in the aftermath of widowhood partially alleviated the loneliness associated with that transition. The role of geographic proximity was gender-specific, as widowed men with nearby non-kin ties were most protected against loneliness, whereas widowed women fared best if their kin ties were farther away. Altogether, this study presents novel insight into how personal networks evolve after widowhood, revealing the nuanced, gendered ways that networks adapt. Efforts to reduce loneliness after widowhood may consider how gender roles and expectations shape the transmission and meaning of companionship and support.

Dementia in Germany: Epidemiology and Prevention Potential.

The further development of public-health approaches for the prevention of dementia requires estimates of the number of people with dementia, trends in incidence and prevalence, and the potential impact of preventive measures. The projections described here are based on incidence and prevalence data for Europe and on current and projected population figures from the German Federal Statistical Office. Four scenarios were calculated on the basis of two different population projections and the assumption of either stable or declining prevalence. Data from the German Aging Survey were used to estimate the prevention potential for eleven potentially modifiable risk factors for dementia. Weighting factors were determined to adjust for correlations between risk factors. Approximately 1.8 million people were living with dementia in Germany as of December 31, 2021; the number of new dementia cases in 2021 is estimated at 360 000 to 440 000. In 2033, depending on the scenario, 1.65 to 2 million people aged 65 and older may be affected; we consider likelihood of the lower end of this range to be very low. It is estimated that 38% of these cases are associated with 11 potentially modifiable risk factors. A 15% reduction in the prevalence of risk factors could potentially decrease the number of cases by up to 138 000 in 2033. We assume that the number of people with dementia in Germany will increase, but there is considerable prevention potential. Multimodal prevention approaches to promote healthy aging should be further developed and put into practice. Better data are needed on incidence and prevalence of dementia in Germany.

Personal human values, informal caregiving and the relevance of gender and age: Findings from the population-based German Aging Survey

ObjectivesThis study analyzed if personal human values and provision of informal care were associated and if this differed as a function of gender or age. MethodData from the German Aging Survey were used (wave 2008, N=6,089), which included 748 informal caregivers. Human values were measured with the Human Values Scale from Schwartz (self-enhancement, self-transcendence, conservation, openness to change). Adjusted logistic regression analyses (with gender and age as additional moderators) were conducted. ResultsPlacing higher importance on conservation and self-enhancement values was associated with lower odds for caregiving, while a higher appreciation of self-transcendence was associated with higher odds of caregiving. With older age, a higher score in conservation values was associated with even lower odds for caregiving. Gender did not moderate these associations, still, lower odds of caregiving were found only among men with higher scores in openness to change, and only among women with higher scores in conservation values. Self-transcendence was associated with higher odds of caregiving among both, men and women. DiscussionIn brief, personal values were significantly associated with informal caregiving and may act as motivators or barriers. The same motivators were found among men and women but different values were associated with lower odds of providing care. When aiming to foster informal care and a gender-equal distribution of caregiving, it could be helpful to take these values into account.

Can Informal Caregiving be Perceived as Rejuvenating? Changes in Perceptions of Ageing at Onset and End of Informal Caregiving during Different Stages of Life

Introduction: Perceptions of ageing are a central predictor of health, wellbeing, and longevity. This study analyses the association between the onset and end of informal caregiving and perceptions of ageing in different stages of life. Methods: Data from the German Aging Survey (2014, 2017) were used; a longitudinal dataset that is representative of community-dwelling individuals aged ≥40 years in Germany. Adjusted asymmetric fixed effects regression analyses were conducted to analyse the associations in three age groups (40 to <60, 60 to <80, and ≥80). Perceptions of ageing were measured in terms of attitude towards one’s own ageing (Philadelphia Geriatric Centre Morale Scale), subjective age (felt age), and onset of old age (when someone is considered to be old). Results: Significant changes in the perceptions of ageing were found only among individuals aged ≥80 years. In this group, the onset of informal caregiving was significantly associated with improved attitude towards one’s own ageing and the end of informal caregiving was significantly associated with increased subjective age and earlier onset of old age. Conclusion: The perceptions of ageing improved with the onset and worsened with end of caregiving – but only among oldest old individuals. Thus, informal caregiving seems to be a significant predictor for perceptions of ageing in old age.

Age-period-cohort analysis of depression trends: are depressive symptoms increasing across generations in Germany?

Several studies have examined trends in depression, but only few have explicitly considered possible generational differences. I examined changes in the burden of depressive symptoms between 2002 and 2017 according to age, time period and birth cohort in Germany. I used population-based data drawn from the German Aging Survey (N = 33,723, 54% female, ages 40 +) from 2002, 2008, 2011, 2014, and 2017. Depressive symptoms were measured via the CES-D 15. Hierarchical age-period-cohort models were used to examine trends in depression. I found that depressive symptoms changed across age, time period and birth cohorts. While there was a general decrease across time periods, strong evidence for a U-shaped cohort effect was also found: Younger generations, beginning with cohorts born after the World War II, increasingly report more depressive symptoms than older generations. This U-shaped cohort trend appeared most pronounced for the somatic symptoms subscale. Contrarily, only minimal cohort differences were found regarding the positive affect subscale. Therefore, depressive symptoms, and especially somatic symptoms, seem to increase in more recent birth cohorts in Germany, who might thus be at risk to experience more mental health problems in the future. Potential reasons for these trends and the generalizability of the results to other countries should be investigated by future studies.

What Determines That Older Adults Feel Younger Than They Are? Results From a Nationally Representative Study in Germany

BackgroundThere is increasing evidence that subjective age is an important predictor of beneficial health outcomes besides chronological age. However, little is known about the factors associated with younger subjective age. This study aimed to identify which factors are predictive of feeling younger in old age. In this context, feeling younger was defined as an individual's perception of being younger than their current chronological age.MethodsData from 4,665 community-dwelling older people were drawn from wave 7 (2020) of the German Aging Survey (DEAS), a nationally representative study in Germany. Network, mediation, and binomial logistic regression analyses were performed to reveal the associations between feeling younger and biopsychosocial factors.ResultsA total of 4,039 participants reported feeling younger, while 626 did not. Older chronological age, engaging in sports more frequently, a better standard of living, a better state of health, higher satisfaction with life, more positive attitudes toward one's aging, and fewer depressive symptoms are associated with feeling younger in older people.ConclusionThe present study provides novel and consistent evidence regarding the association between feeling younger and biopsychosocial factors. Further research is needed to confirm these factors and identify how they can be adapted in potential intervention studies to generate the life and health circumstances that allow older people the benefit of feeling younger.

Health and study dropout: health aspects differentially predict attrition

BackgroundParticipant dropout poses significant problems in longitudinal survey studies. Although it is often assumed that a participant’s health predicts future study dropout, only a few studies have examined this topic, with conflicting findings. This study aims to contribute to the literature by clarifying the relationship between different aspects of health and study dropout.MethodsThe 2008 baseline sample of the German Aging Survey was used to predict study dropout (N = 4442). Indicators of health included physical health using the number of chronic conditions, physical functioning using the SF-36 Physical Functioning subscale, cognitive functioning using the digit symbol substitution test, and depression using the CESD-15.ResultsIt was found that different aspects of health had differential associations with survey dropout: Worse physical functioning and in part worse cognitive functioning predicted increased dropout rates; contrarily, worse physical health predicted decreased dropout when controlling for other health aspects and covariates. Depression was not significantly related to study dropout.ConclusionsTherefore, participants with chronic conditions, but minimal physical and cognitive disability were most likely to participate in the future. These findings suggest that health has a complex relationship with survey dropout and must be accounted for in longitudinal studies. Neglecting this systematic attrition due to health problems bears the risk of severely under- or overestimating health-related effects and trends.

Medium Matters: A Decade of Media Consumption Predicts Positive and Negative Dimensions of Self-Perceptions of Aging.

Media consumption over time is suggested to be a significant contributor to how people develop their self-perceptions of aging (SPA); however, this association has only been investigated with cross-sectional methodologies. The current study used growth curve modeling to examine the influence of 10 years of television, newspaper, radio, and book consumption on positive and negative dimensions of SPA. Growth curve modeling on 4 waves of data from the German Aging Survey (N = 2,969), a population-based representative survey of adults aged 40-95, was used to examine the longitudinal associations between media consumption and SPA trajectories. Across 10 years, more television intake (B = -0.58, 95% CI [-0.94, -0.21]) was associated with lower perceptions of continuous growth. Inversely, greater book (B = 0.10, 95% CI [0.06, 0.13]) and radio (B = 0.52, 95% CI [0.29, 0.74]) consumption was significantly linked to higher perceptions of continuous growth. In parallel, more television (B = 0.88, 95% CI [0.52, 1.25]) and newspaper consumption (B = 0.46, 95% CI [0.04, 0.88]) was associated with higher perceptions of physical decline, while greater radio (B = -0.40, 95% CI [-0.64, -0.16]) and book (B = -0.05, 95% CI [-0.09, -0.00]) consumption was associated with lower perceptions of physical decline. This study provides longitudinal evidence for the relationship between media consumption and SPA. However, not all types of media intake are negative as radio and book consumption were associated with better SPA across time. Age-group differences were investigated and are discussed in the Supplementary Materials.

Measuring Self-Perceptions of Aging: Differences Between Measures When Predicting Health Outcomes

The majority of self-perceptions of aging (SPA) research uses either a combination of the Age-related Cognition (AgeCog) scales of Ongoing Development and Physical Loss, or the Attitudes Towards Own Aging (ATOA) subscale to assess views on aging. Although these scales are used interchangeably, the valence (positive/negative) and the specificity of the view on aging (domain-based/general) being assessed are not consistent. This study investigates how different measures of SPA relate to one another and whether they differentially predict various types of health outcomes (psychological/physiological; well-being/ill-being). Data from the 2008 and 2014 waves of the German Aging Survey (DEAS; n=3,745), a population-based representative survey of adults aged 40 to 95, was used to examine the relationship between the AgeCog scales and the ATOA subscale, as well as the differences in the types of health outcomes each predicts. The correlations between the AgeCog scales and the ATOA were higher than the correlation between the AgeCog scales (p < .001). The AgeCog scale of Ongoing Development significantly predicted psychological health outcomes across a six-year period, while the AgeCog scale of Physical Loss and the ATOA subscale predicted both physiological and psychological health outcomes. Evidence supports using the AgeCog scale of Ongoing Development to predict domain-relevant, psychological health outcomes. However, the multidimensionality of SPA is best measured by the ATOA subscale or a combination of the two AgeCog scales. Both forms of measurement were found to maximize the amount of explained variance for psychological and physiological indicators of well-being and ill-being.

Differences in Self-Esteem Between Cat Owners, Dog Owners, and Individuals Without Pets.

Introduction: Pet ownership may provide an additional source of social support and may contribute to the owner's self-esteem. Self-esteem is considered a basic human need and is associated with psychological conditions such as depressive symptoms. To date, there is limited knowledge on the association between keeping a pet and self-esteem.Objectives: The aim of this study was to determine whether cat owners, dog owners, and individuals without pets differ in terms of self-esteem (total sample and stratified by sex).Methods: Data were taken from the German Aging Survey (wave 5; nationally representative sample of individuals residing in private households ≥40 years). In this survey, the widely used and well-established Rosenberg scale was used to quantify self-esteem. Socioeconomic, lifestyle, and health-related factors were adjusted for in the regression analysis (n = 5,485).Results: Multiple linear regressions showed that dog owners reported higher self-esteem scores compared to individuals without pets (β = 0.04, p < 0.05). Similarly, male dog owners reported higher self-esteem scores compared to men without pets (β = 0.07, p < 0.01). In contrast, female cat owners reported lower self-esteem scores compared to women without pets (β = −0.07, p < 0.01).Conclusion: Study findings showed a link between owning a cat and lower self-esteem (women), as well as between owning a dog and higher self-esteem (total sample; men). Future studies should concentrate on investigating the underlying mechanisms. Furthermore, longitudinal studies are needed to better understand the link between animal ownership and self-esteem.

Examining processing speed as a predictor of subjective well-being across age and time in the German Aging Survey

ABSTRACTThe purpose of the current study was to examine the associations between cognition, measured via the Digit Symbol Substitution Task, and subjective well-being (measured using the Satisfaction with Life Scale and the Positive and Negative Affect scale) in a community-based sample of middle-aged and older adults. Specifically, we examined both the cross-sectional and the longitudinal relationships between processing speed and subjective well-being. Data are from participants between 40–85 years-old (at baseline) who participated in the German Aging Survey across four waves. Results showed that processing speed was a weak but consistent predictor of positive affect, while age was associated with decreases in negative affect and positive affect, and increases in life satisfaction cross-sectionally. Conversely, cross-lagged panel analyses showed that the temporal relationship between processing speed and positive affect was close to zero, and non-significant. The results of this study shed additional light on the relationship between subjective well-being and cognition.

Attitude Toward Own Aging: Age Invariance and Construct Validity Across Middle-Aged, Young-Old, and Old-Old Adults

The Attitude Toward Own Aging (ATOA) Scale assesses an individual’s evaluation of their own aging, and has been widely used in the field of subjective aging literature. The present study examined whether the ATOA scale measures the same construct across middle-aged (40–60), young-old (61–74), and old-old adults (ages 75 or older) and also evaluated the construct validity of the ATOA construct in relation to measures of subjective well-being. Data drawn from the 2008 wave of the German Aging Survey (DEAS; n = 6091) were used. ATOA was assessed by the ATOA subscale of the Philadelphia Geriatric Center Morale Scale (PGCMS), and subjective well-being was assessed with the Satisfaction with Life Scale (SWLS) and the Positive and Negative Affect Scale (PANAS). Confirmatory factor analysis revealed that the model fit of the one-factor model consisting of four items fits the data well. Multi-group invariance analyses provide evidence for configural and metric invariance of the ATOA scale across the age groups, but not for scalar invariance. Additional analysis assessing construct validity indicated that the ATOA items exhibited convergent validity. The findings support the utility of the 4-item scale when examining age group differences of ATOA across a wide age range and that ATOA is distinct from measures of subjective well-being.

Psychological correlates of fear of falling: Findings from the German Aging Survey.

The aim of the present study was to identify general psychological factors related to fear of falling. Data drawn from national probability sampling of the German population aged ≥40 years were used (German Aging Survey; n = 7779). The fear of falling and the psychological factors of loneliness, life satisfaction, positive affect, negative affect, optimism, self-efficacy, self-esteem, self-regulation and perceived stress were collected in self-administered questionnaires. Multiple logistic regression models controlling for sociodemographic, lifestyle and health-related variables were used to determine the psychological correlates of fear of falling. The prevalence of fear of falling was 18% for all individuals. All psychological factors showed strong bivariate associations with fear of falling. In the multiple regression analyses, higher levels of loneliness, lower life satisfaction, lower positive affect and higher negative affect, as well as lower levels of optimism, self-efficacy, self-esteem, self-regulation and more perceived stress, were associated with increased fear of falling after controlling for sociodemographic factors, various lifestyle factors and morbidity. The psychological factors considered in the present study are important for characterizing people with fear of falling. Because effective interventions to treat the fear of falling are available, our study might help to address this target group more accurately. Geriatr Gerontol Int 2018; 18: 396-406.

The use of routine health check-ups and psychological factors—a neglected link. Evidence from a population-based study

It is well known that the use of routine health check-ups is associated with socio-demographic and lifestyle factors. However, the link between psychological factors and the use of routine health check-ups has not been investigated intensively so far. Consequently, the purpose of this study was to determine the psychological factors associated with routine health check-ups. Cross-sectional data were obtained from a population-based study (German Aging Survey) of individuals ≥40 years of age and residing in private households in Germany in the year 2014 (n = 7708). Screening data and data on psychological factors were collected in self-administered questionnaires. Multiple logistic regressions were used to identify psychological correlates of screening behavior, adjusted for socio-demographic, lifestyle and health-related variables. Of the participants, 65.4% used routine health check-ups regularly. After adjusting for various potential confounders, multiple logistic regressions showed that the use of routine health check-ups was positively associated with life satisfaction, positive affect, optimism, self-efficacy, self-esteem and self-regulation, whereas the outcome measure was not significantly associated with loneliness, negative affect and perceived stress. Furthermore, the outcome measure was positively associated with age, being married and living together with a spouse or partner, body mass index, being a non-daily smoker, drinking alcohol less than once a day and exercising. However, it was not associated with gender, income, number of physical illnesses or region. The current study stresses the importance of the association between screening behavior and psychological factors. This may help to identify individuals at risk for underuse.

Indicators of Social Isolation: A Comparison Based on Survey Data from Germany

The paper presents a data-based comparison of three indicators of social isolation that are frequently used in contemporary social research: (a) low frequency of social contact with friends, relatives, and neighbors (social contact indicator); (b) absence of a discussion network (discussion network indicator); (c) absence of social support (support indicator). All three indicators are in line with an understanding of social isolation as the absence of close personal relationships. However, as shown in this paper, they are correlated only weakly to each other and lead to different results concerning the overall share of social isolation, age disparities, and gender differences of social isolation. Against this background, the paper proceeds with considerations on the content validity and criterion validity of the three indicators. Different versions of each indicator are scrutinized to gain insights on content validity. Conclusions on criterion validity are drawn from an examination of the correlations between the indicators and health, poverty, satisfaction with family life, and satisfaction with social life. Findings suggest a higher validity of the social contact indicator compared to the other two indicators. Data source is the German Socio-Economic Panel. Discussions of content validity are additionally based on analyses using the German Family Survey and the German Aging Survey.

Does grandchild care influence grandparents’ self-rated health? Evidence from a fixed effects approach

The present study aims to identify, whether and how supplementary grandchild care is causally related to grandparents' self-rated health (SRH). Based on longitudinal data drawn from the German Aging Survey (DEAS; 2008–2014), I compare the results of pooled OLS, pooled OLS with lagged dependant variables (POLS-LD), random and fixed effects (RE, FE) panel regression. The results show that there is a positive but small association between supplementary grandchild care and SRH in POLS, POLS-LD, and RE models. However, the fixed effects model shows that the intrapersonal change in grandchild care does not cause a change in grandparents' SRH. The FE findings indicate that supplementary grandchild care in Germany does not have a causal impact on grandparents' SRH, suggesting that models with between-variation components overestimate the influence of grandchild care on grandparents’ health because they do not control for unobserved (time-constant) heterogeneity.