نتایج جستجو برای: sectional studies
تعداد نتایج: 1586575 فیلتر نتایج به سال:
BACKGROUND Lower socioeconomic position (SEP) is associated with an increased risk of suicidal behaviour in high-income countries, but this association is unclear in low-income and middle-income countries. METHODS We investigated the association of SEP with attempted suicide in a cross-sectional survey of 165 233 Sri Lankans. SEP data were collected at the household (assets, social standing (...
Testing the idea that the process of forgiveness is intrinsically different across diverse relationships, this study examined the role of forgiveness in different family relationships. In 2 laboratory sessions 1 year apart, 114 families (each including 2 parents and 1 child) completed a new measure of family forgiveness and many individual-level, relationship-level, and family-level variables t...
BACKGROUND Street children are an increasing problem in Latin America. It is however difficult to estimate the number of children in the street as this is a highly mobile population. AIMS To estimate the number of street children in Aracaju, northeast Brazil, and describe the characteristics of this population. METHODS Three independent lists of street children were constructed from a non-g...
BACKGROUND Stepped wedge cluster randomised trials frequently involve a relatively small number of clusters. The most common frameworks used to analyse data from these types of trials are generalised estimating equations and generalised linear mixed models. A topic of much research into these methods has been their application to cluster randomised trial data and, in particular, the number of c...
BACKGROUND Age at menarche is known to be regulated by genetic and environmental factors. To date, no menarcheal data are available on North Korean women. In this cross-sectional survey, we investigated age at menarche and its possible influencing factors in North Korean refugees. METHODS Four hundred and eleven North Korean refugees were surveyed at a North Korean female refugee camp using a...
Most empirical tests of mediation utilize cross-sectional data despite the fact that mediation consists of causal processes that unfold over time. The authors considered the possibility that longitudinal mediation might occur under either of two different models of change: (a) an autoregressive model or (b) a random effects model. For both models, the authors demonstrated that cross-sectional a...
BACKGROUND In Switzerland, the mean age of GPs in 1993 was 46. In 2015, it had increased to 55, and GPs over 65 made up 15% of the workforce of the about 6000 GPs. As older, self-employed GPs retire, young doctors will be needed to fill their positions and eventually take over their practices. We set out to determine what kind of employment young GPs wanted, if they thought their preference wou...
OBJECTIVE To estimate daily fruit and vegetable intakes and to investigate socio-economic and behavioural differences in fruit and vegetable consumption among urban Moroccan women. DESIGN A cross-sectional survey. Fruit and vegetable intake was measured with a single 24 h recall. SETTINGS A representative population-based survey conducted in the area of Rabat-Salé. SUBJECTS Women (n 894) ...
OBJECTIVES To examine the relationship between time since immigration and excess body weight. METHODS Secondary data analysis of a cross-sectional survey of 19,600 Canadians. RESULTS The prevalence of excess weight (BMI > 25) increases with time since immigration for both men and women. After controlling for birthplace, socio-demographic, lifestyle and health correlates, only female immigra...
OBJECTIVES We sought to characterize substance use patterns in young men who have sex with men (MSM) in 7 US urban areas and sociodemographic characteristics and history associated with such use. METHODS We examined data collected from 1994 through 1998 in a venue-based, cross-sectional survey. RESULTS Among the 3492 participants, 66% reported use of illicit drugs; 28%, use of 3 or more dru...
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