نتایج جستجو برای: longitudinal cohort
تعداد نتایج: 330870 فیلتر نتایج به سال:
BACKGROUND In recent decades, there has been an increase in the prevalence of childhood overweight in most high-income countries. Within northern Europe, prevalence tends to be higher in the UK compared with the Scandinavian countries. We aimed to study differences in body mass index (BMI) trajectories between large cohorts of children from UK and Scandinavian populations. METHODS We compared...
BACKGROUND Several aspects of school life are thought to be associated with increased risk of self-harm in adolescence, but these have rarely been investigated in prospective studies. METHODS Members of the Avon Longitudinal Study of Parents and Children (ALSPAC) birth cohort completed postal surveys of school experiences aged 14, and self-harm behaviour aged 16 (n=3939). Associations between...
OBJECTIVE The present study examined whether maternal diet and early infant feeding experiences relating to being breast-fed and complementary feeding influence the range of healthy foods consumed in later childhood. DESIGN Data from four European birth cohorts were studied. Healthy Plate Variety Score (HPVS) was calculated using FFQ. HPVS assesses the variety of healthy foods consumed within...
هدف: در این مطالعه به بررسی میزان مرگ و میر ناشی از سپسیس در بیماران 65 ساله به بالا پس از شش ماه در بیمارستان های امیرالمومنین و بوعلی و عوامل دخیل در آن در سال های 89-1388 پرداختیم.روش مطالعه: این مطالعه به صورت یک بررسی مشاهده ای (observational) طولی (longitudinal) از نوع کوهورت آینده نگر (prospective cohort) انجام شده است. جمعیت مورد بررسی شامل 65 نفر از بیماران 65 سال به بالا بستری در بیما...
Longitudinal planned missing, represented in the literature by the time-lag model (McArdle & Woodcock, 1997) and the cohort sequential design (Nesselroade & Baltes, 1979), has been thus far restricted to growth modeling and often does not fully utilize the benefits of the planned missingness by estimating a full-longitudinal model. The accelerated longitudinal design may serve as a more flexibl...
Whilst it has been suggested that about 25% of the variability in human longevity is attributed to genetic influences, the remaining 75% is consequent upon a complex interplay of biological, environmental, social and culturally determined factors. In rising to the challenge of understanding the complexities of human ageing, a valuable tool to emerge in ageing research has been the longitudinal ...
Background and Objectives: Preeclampsia is the third leading cause of death in pregnant women. This study was conducted to evaluate the ability of longitudinal hematocrit data to predict preeclampsia and to compare the accuracy in longitudinal and cross-sectional data. Materials and Methods: In a prospective cohort study from October 2010 to July 2011, 650 pregnant women referred to the prenata...
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