Low Prevalence Of Use Research Articles

Prevalence and patterns of smoking, alcohol use, and illicit drug use in young men who have sex with men

BackgroundYoung men who have sex with men (YMSM) are substantially more likely to use illicit drugs and other substances compared to their heterosexual peers. Substance use during adolescence has critical implications for long-term physical and mental health, and among YMSM may lead to HIV infection. The goal of the current study was to describe lifetime and past six month prevalence and patterns of substance use across multiple substances in a community sample of racially-diverse YMSM. MethodsParticipants were 450 YMSM aged 16–20 living in Chicago and surrounding areas who were recruited beginning December, 2009 using a modified form of respondent driven sampling. Analyses were conducted with multivariate logistic regression and latent class analysis (LCA). ResultsPrevalence of substance use was high in this sample of majority racial minority YMSM, and only 17.6% reported no substance use during the past six months. Black YMSM had lower prevalence of use of all substances except marijuana compared to White YMSM, while Latino YMSM had lower prevalence of alcohol, marijuana, and club drug use. Bisexual YMSM reported higher prevalence of cigarette smoking, stimulant use, and club drug use compared to gay/mostly gay YMSM but lower numbers of bisexual participants limited the ability to detect statistically significant differences. LCA found that YMSM fell into three general categories of substance users: alcohol and marijuana users, polysubstance users, and low marijuana users. ConclusionsAnalyses reveal important group differences in prevalence and patterns of substance use in YMSM that have important implications for intervention.

Use of dental services and associated factors among elderly in southern Brazil.

To analyze the use of dental services and associated factors among elderly treated at Family Health Units in southern Brazil. This cross-sectional study evaluated 438 elderly attending Family Health Units in Pelotas, southern Brazil. Data were collected using a standardized questionnaire covering demographic and socioeconomic variables, in addition to information on time elapsed since their last dental visit. Explanatory variables were classified according to Andersen and Davidson's model. Clinical variables were obtained by a trained dentist. Multivariable Poisson regression models with robust variance were used to identify factors associated with the outcome. The prevalence of use of dental services in the last 3 years was 41.1% (95%CI 36.5 - 45.7). Multivariable analysis revealed that the probability of not using dental services was higher among individuals who self-assessed their general health as poor or very poor (Prevalence Ratio [PR] = 1.36; 95%CI 1.05 - 1.78), with less than 8 years of education (< 4 years: PR = 1.43; 95%CI 1.01 - 2.02; 4 to 7 years: PR = 1.43; 95%CI 1.00 - 2.04), users of alcohol (PR = 1.31; 95%CI 1.08 - 1.59), and those with no teeth (PR = 1.73; 95%CI 1.29 - 2.32). The low prevalence of use of dental services among elderly attending Family Health Units in Pelotas, especially among those with poor self-assessed general health, lower education level, and without teeth, indicate the need for public policies to improve social indicators and general health.

Location‐only and use‐availability data: analysis methods converge

Location‐only and use‐availability data: analysis methods converge

The physical anthropometry, lifestyle habits and blood pressure of people presenting with a first clinical demyelinating event compared to controls: The Ausimmune study

Introduction: Lifestyle factors prior to a first clinical demyelinating event (FCD), a disorder often preceding the development of clinically definite multiple sclerosis (MS), have not previously been examined in detail. Past tobacco smoking has been consistently associated with MS. Methods: This was a multicentre incident case-control study. Cases (n = 282) were aged 18–59 years with an FCD and resident within one of four Australian centres (from latitudes 27°S to 43°S), from 1 November 2003 to 31 December 2006. Controls (n = 558) were matched to cases on age, sex and study region, without CNS demyelination. Exposures measured included current and past tobacco and marijuana, alcohol and beverage use, physical activity patterns, blood pressure and physical anthropometry. Results: A history of smoking ever was associated with FCD risk (AOR 1.89 (95%CL 1.82, 3.52)). Marijuana use was not associated with FCD risk after adjusting for confounders such as smoking ever but the estimates were imprecise because of a low prevalence of use. Alcohol consumption was common and not associated with FCD risk. No case-control differences in blood pressure or physical anthropometry were observed. Conclusions: Past tobacco smoking was positively associated with a risk of FCD but most other lifestyle factors were not. Prevention efforts against type 2 diabetes and cardiovascular disease by increasing physical activity and reducing obesity are unlikely to alter MS incidence, and more targeted campaigns will be required.

Long-term (3-year) neurocognitive effectiveness of antipsychotic medications in first-episode non-affective psychosis: a randomized comparison of haloperidol, olanzapine, and risperidone

The initially postulated superior neurocognitive effectiveness of second-generation antipsychotics is currently under debate. A prospective, randomized, open-label study was carried out to compare the long-term neurocognitive effectiveness of haloperidol, olanzapine, and risperidone in the first episode of schizophrenia spectrum disorders. A final sample of 79 patients randomized to haloperidol (N = 28), olanzapine (N = 23), or risperidone (N = 28) who completed clinical and cognitive evaluations at baseline and 3-year follow-up was included in the final analysis. Forty-one healthy individuals were also included in the final analysis. The main outcome measure was cognitive changes at 3-year follow-up. Due to the fact that some of the patients had switched their initially prescribed antipsychotic medication during the course of the study (6 out of 28 in haloperidol group, 18 out of 23 in olanzapine group, and 24 out of 28 in risperidone group continued with the initial study drug at 3-year assessment), we have also conducted a per protocol analysis. Overall, cognitive changes were similar in the three treatment groups and controls, although a greater improvement in Rey Auditory Verbal Learning Test, Digit Symbol, and Iowa Gambling Test was found in the treatment groups. The better performance observed on Rey Auditory Verbal Learning Test and Digit Symbol in olanzapine treatment group was likely explained by the lower prevalence of use of antimuscarinic drugs. These results were essentially similar to those found in the intention-to-treat analysis. The major conclusion of this study is that haloperidol, olanzapine, and risperidone have not demonstrated substantial neurocognitive effectiveness, improving cognitive deficits present in the early phases of the illness. The study also underscores the importance of exploring new drugs for the treatment of cognitive impairments and associated functional disabilities in schizophrenia.

Intention to use a combined contraceptive method and decision after counselling in Switzerland – Swiss data from the European CHOICE study

ABSTRACTBackground Considering the advantages of parenteral routes of administration of combined hormonal contraceptives (CHCs), their low prevalence of use in Europe is surprising. The Contraceptive health research of informed choice experience (CHOICE) study involved 11 European countries. It aimed at evaluating the influence of counselling on users’ choice between three modalities of CHC administration (the pill, the transdermal patch, and the vaginal ring). We report here the results for Switzerland.Study design Women (N = 2629) with a need for contraception received extended counselling. Questionnaires were used to collect data about the women's preferred method before and after counselling, and the reasons for their ultimate decision.Results After counselling, 40% of the women chose a contraceptive method that was different from the one initially intended. The number of vaginal ring users (28% vs. 11% intended) and patch users (7% vs. 4% intended) increased (p < 0.0001). Of the initially undecided women, 93% chose a contraceptive method after counselling. However, although information was provided on the risks, side effects and benefits associated with the different contraceptive methods, surprisingly few women retained this knowledge.Conclusion The provision of balanced information on all CHCs influenced women's decisions to a great extent. Unlike the pill, non-oral methods were significantly more often chosen.

Gender Equity and Contraceptive Use in China: An Ecological Analysis

Using data from China's population-based 2000 census, this ecological study examined the association between gender equity and women's contraceptive use in 30 provinces. Five province-level indicators of gender equity were used: sex ratio at birth, health, employment, education, and political participation. With the exception of sex ratio, all indices were comprised of several components. The indicators and components were grouped into tertiles. Generalized linear models were used to examine the associations between these indicators and contraceptive use. Provinces in the middle tertile of political participation had higher prevalence of contraceptive use than those in the lowest tertile (β = 0.27, 95% CI: 0.02–0.52, p < 0.034). Compared to regions in the lowest tertile, regions in the highest tertile of the proportion of females in provincial-level parties and government (β = 0.25, 95% CI: 0.04–0.46, p < 0.020) and middle tertile of female employment in all the economic activities except agriculture, industry and construction (β = 0.25, 95% CI: 0.04–0.46, p < 0.021) had a higher prevalence of contraceptive use. Regions in the middle tertile of female illiteracy (β = −0.25, 95% CI: −0.42–0.07, p < 0.006) had a lower prevalence of use of contraceptives than those in the lowest tertile. The authors of this study found mixed evidence of an association between gender equity and contraceptive use in China.

Use of Complementary and Alternative Therapies by Overweight and Obese Adults

Obesity is associated with higher health-care costs due, in part, to higher use of traditional health care. Few data are available on the relationship between obesity and the use of complementary and alternative medicine (CAM). We analyzed data on CAM use from the 2002 National Health Interview Survey (NHIS) Alternative Medicine Supplement (n=31,044). We compared the use of CAM overall, within the past 12 months, between normal weight (BMI from 18 to <25), overweight (from 25 to <30), mildly obese (from 30 to <35), moderately obese (from 35 to <40), and extremely obese (>40) adults. For the primary analysis, our multivariable model was adjusted for sociodemographic factors, insurance status, medical conditions, and health behaviors. We performed additional analyses to explore the association of BMI and the use of seven CAM modalities. We found that adults with obesity have lower prevalence of use of yoga therapy, and similar prevalence of use of several CAM modalities, including relaxation techniques, natural herbs, massage, chiropractic medicine, tai chi, and acupuncture, compared to normal-weight individuals. After adjustment for sociodemographic factors, insurance status, medical conditions, and health behaviors, adults with obesity were generally less likely to use most individual CAM modalities, although the magnitude of these differences were quite modest in many cases. Even though adults with obesity have a greater illness burden and higher utilization of traditional medical care, adults with higher BMIs were no more likely to use each of the individual CAM therapies studied. Additional research is needed to improve our understanding of CAM use by adults with obesity.

Time to Survival for the Restoration of the Shortened Lower Dental Arch

Removable partial dentures may adversely affect remaining tissues and have a low prevalence of use. This randomized controlled trial was designed to compare the time to survival of cantilever resin-bonded fixed partial dentures and conventional removable partial dentures to restore shortened lower dental arches. We randomly allocated 25 male and 35 female patients (median age, 67 years) to fixed or removable partial denture groups of 30 persons, matched for age and sex. Survival of the prostheses was assessed, based on listed criteria, at each review or when problems arose. Although the removable partial denture group required rather more maintenance visits, the difference in survival rates was not statistically significant (hazard ratio = 0.59, with 95% CI 0.27, 1.29). In the absence of significant differences in five-year survival, the reported advantages of fixed partial dentures, including reduced maintenance frequency, offer positive support for the use of resin-bonded fixed partial dentures.

Patient visits to a hospital-based alternative medicine clinic from 1997 through 2002: Experience from an integrated healthcare system

Efforts to integrate complementary and alternative medicine (CAM) into conventional healthcare systems raise questions about expected levels of CAM use and its cost in an integrated system. This paper documents actual patient usage of a hospital-based alternative medicine clinic that has been operating on a conventional healthcare campus since 1993. Hennepin Faculty Associates (HFA) is a multispecialty physician organization serving the Hennepin County Medical Center (HCMC), a public teaching hospital in downtown Minneapolis. In 1993, HFA opened an alternative medicine clinic, primarily providing acupuncture. The clinic has since expanded services to offer chiropractic, massage/bodywork, and herbs. Administrative claims data showing visit dates, treatment received, payment source, charges, and patient complaints are available from 1997 through 2002. Of all HFA patients who received conventional care on the HCMC campus every year (1997-2002), 6.5% also received care at the Alternative Medicine Clinic (AMC). Nearly 80% of AMC patients received third-party reimbursement for AMC services. Averaged over 6 years, self-pay patients had 3.2 visits per year and incurred $173 in charges per year; patients with a mixture of third-party payment sources had 8.0 visits per year and incurred $634 in charges per year. Number of visits per patient per year remained relatively constant over the 6 years, except for patients aged 65 or older, who showed an increase in number of visits, particularly for acupuncture. This report contributes a new perspective on use of CAM in the general population. Results from this perspective differ markedly from those provided by published survey data, showing a lower prevalence of use and lower charges incurred. Concern that insurance coverage for CAM would increase healthcare costs dramatically are not substantiated by these data.

Treatment and management of challenging behaviours in congregate and noncongregate community‐based supported accommodation

To compare the nature and prevalence of use of procedures employed to treat and manage challenging behaviours across two approaches to providing community-based supported accommodation for people with intellectual disabilities (ID) and severe challenging behaviour: noncongregate settings where the minority of residents have challenging behaviour, and congregate settings where the majority of residents have challenging behaviour. Community-based supported accommodation for people with ID and challenging behaviour. Longitudinal matched groups design. The nature and prevalence of use of procedures employed to treat and manage challenging behaviours. Observed and reported severity of challenging behaviours. Both types of settings were associated with low prevalence of use of behavioural technologies for the reduction of challenging behaviour (less than 15% of participants). In contrast, high proportions of participant received antipsychotic medication in both noncongregate (56%) and congregate (80%) settings. Congregate settings were associated with the increased use of physical restraint as a reactive management strategy, with over half of participants being in receipt of physical restraint by two or more members of staff. Changes in reported and observed challenging behaviour over a 10-month period were slight. The use of evidence-based behavioural technologies for the reduction of challenging behaviour may have led to better outcomes.

Personal use of HRT by postmenopausal women doctors and doctors' wives in the north of Italy

This study aimed to describe the prevalence of hormone replacement therapy (HRT) use by women doctors and doctors' wives in northern Italy, to explore the relationship between their personal characteristics and HRT use, and to gather information about the use of alternative remedies. A questionnaire was mailed to all physicians born between 1935 and 1955 included in the database of the Medical Register of Turin County (Northern Italy). The questions were meant to explore medical, behavioral, and professional characteristics; personal use of HRT; reasons for and against HRT use; side effects and use of other therapies. 56.5% of postmenopausal women who completed the questionnaire had used HRT and 68.3% of them were current users. The median duration of HRT use was 3.7 years. Only 18.5% of the women had used HRT for 5 years or more; in this case, HRT was started significantly earlier than in the other groups. More than 50% had taken oral HRT, while 39% had used patches; estrogens only had been taken by 21.9%. HRT users had a significantly lower basal body mass index and more vasomotor and dystrophic symptoms at menopause onset compared with non-HRT users. More women on HRT were in good physical health and had an active sex life. Previous breast cancer and family history of cardiovascular diseases were inversely associated with HRT use. The main reason for not taking HRT or stopping it was fear of breast cancer (43.7% and 34.8%, respectively); irregular bleeding and weight gain were also frequently reported as a reason for HRT (30% and 22%). Overall, 22% of women had used alternative drugs to alleviate menopausal symptoms or prevent menopause-related diseases, mainly tibolone (21% among never HRT users and 2% among HRT users; p=0.015) and phytoestrogens.The prevalence and duration of use of HRT by Italian physicians is consistent with the available data from other Western countries, and is much higher than in the general population. This is in contrast with the very low prevalence of use in the general population and may lead, in the near future, to a larger use of HRT in Italy.

Eine Studie zur Kenntnis und Einschätzung der natürlichen Familienplanung

Purpose: There is a discrepancy between the interest in Natural Family Planning (NFP) and its actual use. The supposedly high level of knowledge about NFP in Germany and a low prevalence of use has been interpreted as proving that there is no demand for NFP in the population, However, in previous research we found a low level of knowledge of modern NFP methods among Germans that we studied. They also had a number of biases against its effectiveness. This study was undertaken to verify these findings. Material and Methods: In the Autumn 2000 a survey was conducted by a written questionnaire in a maternity ward in Berlin. 200 questionnaires were distributed, 134 (67%) were returned and suitable for the analysis. The demographic characteristics of the respondents were very similar to the corresponding population. Results: 82% of the respondents knew about at least one NFP-method; however, the modern methods were nearly unknown. 17% knew about mucus observation, and 4% about the symptothermal method. The temperature method as well as the mucus observation were both considered ineffective, clearly less effective than condoms. Despite this, 13% of the women mentioned NFP as one of the methods they would probably use in the future. Conclusion: The relatively low prevalence of use of NFP-methods in Germany does not coexist with a high level of knowledge of modern NFP-methods, but with a pronounced ignorance about them. Regarding the effectiveness of the NFP-methods there is a much disinformation. The hypothesis of a well-informed decision against the use of modern NFP-methods is to be rejected. The explanation for the discrepancy between the relatively high interest in and the relatively low prevalence of actual use of NFP may be due to a deficit of information about NFP. Further studies should address this possibility.

Caries incidence in restorations of shortened lower dental arches – RBBs versus RPDs

Context Removable partial dentures used to restore the shortened lower dental arch may adversely affect the remaining natural teeth and are associated with a low prevalence of use. Objective To report the findings for caries incidence 2 years after restoration of lower shortened arches with bilateral cantilever resin-bonded bridges (RBBs) and conventional partial dentures (RPDs). Design Randomised controlled trial. Setting Secondary care Patients 25 male and 35 female subjects of median age 67 years were randomly allocated to 'bridge' and 'denture' treatment groups of 30 patients each matched for age and sex. Caries incidence was recorded during dental examinations 3 months, 1 and 2 years after insertion of new lower prostheses. Interventions Cantilever RBBs and conventional RPDs with cast metal frameworks. Results There was a highly significant difference in the frequency of new caries lesions, 11 and 51 in the bridge and denture groups respectively (P < 0.01). 20 out of 27 bridge patients and 9 of 23 denture patients had no caries experience. Multivariate modeling identified treatment group as the only significant predictor of caries occurrence. Conclusions Two years after restoration of lower shortened arches for an elderly sample of patients, there was a significantly greater incidence of new and recurrent caries lesions in subjects restored with RPDs compared with cantilever RBBs.

Is fertility declining in Benin?

This study analyzes reproductive changes in Benin, a West African country with high fertility and low prevalence of use of modern contraceptive methods, using a combination of quantitative and qualitative approaches. Findings indicate that an irreversible fertility transition has started as the result of an emerging pattern of birth limitation and continued desire for the traditional long birth intervals. The data suggest that changes in childhood mortality in combination with an increase in women's education, although modest, have created a demand for fertility control among women; that induced abortion may be one of the means through which such demand is being met, particularly in urban areas; and that the economic crisis of the 1980s was the main catalyst that precipitated the onset of transition. Changes in reproductive preferences and practice suggest a diffusion process, from urban and more educated women to rural and less-educated ones.

Drinking and smoking as concurrent predictors of illicit drug use and positive drug attitudes in adolescents

The study investigates the relationship between smoking and drinking, and the use of illicit drugs in a cohort of London adolescents. A high prevalence of drug experimentation and positive attitudes to illicit drug use were characteristic of those who both drank alcohol and smoked cigarettes on a regular basis. There was then a clear hierarchy in which lower prevalence of use and more negative attitudes marked those who only smoked, then those who only drank, while non-smokers and non-drinkers (the largest group) had lowest lifetime and recent drug use prevalence and the most negative attitudes about drug use.

Why Are U.S. Women Not Using Long-Acting Contraceptives?

Given the level of unintended pregnancy in the United States, it is somewhat surprising that hormonal implants and injectables-methods that are long-acting, reversible, highly effective and convenient--have not attained the popularity enjoyed by other medical methods. Knowing the reasons why women have so far spurned these methods might lead to the design and implementation of interventions and targeted social marketing to promote their use. Data from the 1993 and 1995 rounds of the National Survey of Women are used to examine the reasons women gave for not having used the implant or injectables, whether they intended to use these methods and how their attitudes toward them may influence their decision to use such methods in the future. Logistic regression models were used to identify the social and demographic characteristics that influence women's decisions not to use these methods. Fewer than 2% of women who were at risk of an unintended pregnancy in 1995 were using the implant, and under 3% were using the injectable. Women gave three major reasons for not using either of these methods: lack of knowledge; fear of side effects or health hazards; and satisfaction with the method they were currently using. Age, education, marital status, parity and current contraceptive method strongly predicted fear of side effects, lack of knowledge and satisfaction with the current method as reasons for not using the implant or the injectable. For example, women aged 30 or older and those with a college education were half as likely as younger women and those with no college education to mention fear of side effects as their main reason for not using the implant. Likewise, single women, women with one or more children and those using a barrier method were 2-3 times as likely as married women, childless women and those using a medical method to attribute nonuse to the implant's side effects. Few women said they intended to use these methods in the next 12 months: 5% for the implant and 10% for the injectable. Single women, women with no college education, women with children, women wanting to have a child (or another child) and women with positive attitudes toward the effect of using an injectable were significantly more likely to say they intended to use the injectable. Nevertheless, substantial proportions of women reported quite negative attitudes about these methods. The low prevalence of use and the low level of use intention for the implant and for injectables raise questions about the promise for the future of these methods. Each method seems to appeal to certain subgroups of women, however. Thus, if proper interventions and social marketing are targeted to such groups, they may be disabused of misperceptions regarding these methods and possibly become more willing to try them.

An Australian profile on the use of cocaine

Data collected on cocaine in Australia in the mid to late 1980s, when law enforcement and treatment centres were concerned with possible increases in cocaine use, indicated a low prevalence of use. This article reports findings from the Australian component of the 1993-94 World Health Organization study entitled "Initiative on Cocaine", which provides an updated analysis of cocaine use patterns and consequences. The two components of this study were a "country profile" which summarized existing health, law enforcement and survey data on cocaine use from national, regional and city level records, and a key informant study which consisted of interviews with people from Sydney and Melbourne who were familiar with cocaine use through personal, professional and observational experience. Findings show that the prevalence of cocaine use has remained low among the general population in Australia (around 2%), and few people present to treatment services with primary cocaine problems or are arrested. However, the use of cocaine seems to have increased among inner Sydney injecting drug users. There have also been indications of larger police seizures of cocaine, reflecting a possible increase in availability. Recommendations are made to provide relevant interventions and continually monitor patterns of cocaine use, particularly among at-risk groups.

An Australian profile on the use of cocaine

Data collected on cocaine in Australia in the mid to late 1980s, when law enforcement and treatment centres were concerned with possible increases in cocaine use, indicated a low prevalence of use. This artick reports findings from the Australian component of the 1993–94 World Health Organization study entitled “Initiative on Cocaine”, which provides an updated analysis of cocaine use patterns and consequences. The two components of this study were a “country profile” which summarized existing health, law enforcement and survey data on cocaine use from national, regional and city level records, and a key informant study which consisted of interviews with people from Sydney and Melbourne who were familiar with cocaine use through personal, professional or observational experience. Findings show that the prevalence of cocaine use has remained low among the general population in Australia (around 2%), and few people present to treatment services with primary cocaine problems or are arrested. However, the use of cocaine seems to have increased among inner Sydney injecting drug users. There have also been indications of larger police seizures of cocaine, reflecting a possible increase in availability. Recommendations are made to provide relevant interventions and continually monitor patterns of cocaine use, particularly among at-risk groups.

Contraceptive Knowledge, Attitudes, and Practice in Russia during the 1980s

In the former Soviet Union, there was a lack of valid and reliable social research on knowledge, attitudes, and practice of contraception. The few available studies have not been published outside the Soviet Union. This article reviews five surveys that were conducted in Moscow and two other cities (Saratov and Tartu) during the period 1976-84. In addition, some data from a large-scale survey conducted in 1990 and covering the entire former Soviet Union are presented. The surveys indicate that the rhythm method, condoms, vaginal douches, and withdrawal were the main contraceptive methods used; only 1 to 3 percent of the women interviewed were using oral contraceptives, and about 10 percent used intrauterine devices. The low prevalence of use of reliable modern methods may explain the high incidence of induced abortion in Russia. The chronic unavailability of reliable contraceptives is one of the main factors of poor family planning. Lack of knowledge and negative opinions about modern contraception also play an important role. Some possibilities for improving the family planning situation in Russia are discussed.