نتایج جستجو برای: cohort
تعداد نتایج: 217733 فیلتر نتایج به سال:
OBJECTIVE To examine whether a range of common strategies used by parents to overcome bedwetting in 7½-year-old children (including lifting, restricting drinks before bedtime, regular daytime toilet trips, rewards, showing displeasure and using protection pants) are effective in reducing the risk of bedwetting at 9½ years. DESIGN Prospective cohort study. SETTING General community. PARTIC...
BACKGROUND Developed and developing countries are facing rapid increases in overweight and obesity among children and adolescents. The patterns of overweight/obesity differ by age, sex, rural or urban residence and socioeconomic position (SEP) and vary between and within countries. METHODS We investigated patterns of SEP--overweight status association among adolescents from the UK (ALSPAC) an...
The authors aimed to characterize developmental trajectories to nighttime continence by applying two latent class models-longitudinal latent class analysis (LLCA) and latent class growth analysis (LCGA)-to data on nighttime bed-wetting from a population-based birth cohort, the Medical Research Council 1946 National Survey of Health and Development cohort. Data on a binary outcome (wetting in th...
BACKGROUND Tuberculosis (TB) patients face numerous difficulties adhering to the long-term, rigorous TB treatment regimen. Findings on TB patients' treatment adherence vary across existing literature and official reports. The present study attempted to determine the actual treatment adherence of new TB patients and to identify factors leading to non-adherence. METHODS A prospective cohort of ...
OBJECTIVE We examined if those born late-preterm (at 34 to 36 weeks of gestation) differed from those born at term in their maximum attained lifetime socioeconomic position (SEP) across the adult years up to 56 to 66 years, and in intergenerational social mobility from childhood parental SEP to own attained SEP. METHODS Participants were 8993 Finnish men and women of the Helsinki Birth Cohort...
OBJECTIVE To measure the levels and patterns of physical activity, using accelerometers, of 11-year-old children participating in the Avon Longitudinal Study of Parents and Children (ALSPAC). DESIGN Cross-sectional analysis. SETTING ALSPAC is a birth cohort study located in the former county of Avon, in the southwest of England. This study used data collected when the children were 11 years...
PURPOSE The primary objective of this study was to assess anesthesia residents' opinions and perceptions on wellness/burnout, fatigue, education, and patient safety after the initiation of a reduced call model (16-hour call). METHODS A prospective cohort study was conducted at three time points during the 2013-2014 academic year. A web-based questionnaire consisting of 23 questions was electr...
Background and objective: The nested case-control study has become popular as an efficient alternative to the full-cohort design. This study compares the results of a nested case-control analysis approach with the full cohort analysis. Methods: A cohort of 276 subjects (new cases from a TB registry) was used for this study. Cox Regression model was used for the full cohort analysis. In orde...
Background & Objectives: The aim of the study was to determine age, period, and cohort effects on trend of alcohol and drug use in the students of Tehran University of Medical Sciences from 2006 to 2009. Methods: Between 2006 and 2009, the students of Tehran University of Medical Sciences were surveyed annually using a structured self-administered and anonymous questionnaire. Intrinsic estim...
Introduction: Cohort studies are defined as studies that investigate the correlation between exposures and diseases. Meanwhile, studies that investigate the effect of different exposures on children are of high priority, especially those focused on neurodevelopment. This study aimed to introduce available surveys in Persian language suitable for cohort studies that could be used for assessing n...
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