Educational differentials in key domains of physical activity by ethnicity, age and sex: a cross-sectional study of over 40 000 participants in the UK hous... To assess whether educational differentials in three key physical activity (PA) domains vary by age, sex and ethnicity.National cross-se...
The method is based on the assumption that age-specific vital rates and migration ... HC Horace,P Josef - 《Social Forces》 被引量: 105发表: 1962年 Review of Economics and Statistics, Recent research has suggested that employment programs for welfare recipients may be most effective if ...
we examined the effect of the following factors on a hamster model of cholesterol cholelithiasis: (i) the source of the golden Syrian hamsters (Sasco, Omaha, NE or Charles River, Wilmington, MA), (ii) the sex of the experimental animals and (iii) their age (4 wk vs. 8 wk of age)....
Relation between income inequality and mortality in Canada and in the United States: cross sectional assessment using census data and vital statistics Objective To compare the relation between mortality and income inequality in Canada with that in the United States. Design The degree of income inequali...
Descriptive, inferential and correlation statistics were used. Results: Out of a total 260 of suspects/patients, 66(25.4%) females and 194(74.6%) were males. The nasopharyngeal swabs of 63(24.23%) cases were sent for viral detection selected for PCR testing on the bases of a scoring system...
Each study tested the association of up to ~2.8M SNPs with BMI and WHRadjBMI in four strata (men 50y, men >50y, women 50y, women >50y) and summary statistics were combined in stratum-specific meta-analyses. We then screened for variants that showed age-specific effects (G x AGE),...
METHODS: We used the National Center for Health Statistics Multiple Cause of Death Public Use File for 2004 and data from the 2004 US Census to calculate age- and sex-specific death rates for various causes of death. We then combined data on smoking prevalence (from the National Health ...
Data from Japanese vital statistics from 1937-1943 were studied to determine the influence of maternal age on the sex ratio. The sex ratio at birth was found to be higher for women under 20 years of age whereafter it gradually decreases until the ages of 40-49. The highest sex ratio was...
OBJECTIVE: To determine age- and sex-specific population trends in fatal and non-fatal first coronary heart disease (CHD) events in Western Australia from 1996 to 2007. DESIGN: Longitudinal retrospective population study. SETTING: State-wide population. PATIENTS: All residents aged 35-84 years duri...
Statistics for environmental biology and toxicology Publisher's description: This book presents and illustrates statistical methods appropriate for the analysis of environmental data obtained in biological o... AJ Bailer,WW Piegorsch - 《Technometrics》 被引量: 263发表: 1997年 Food and feeding habits...