نتایج جستجو برای: randomly selected
تعداد نتایج: 476153 فیلتر نتایج به سال:
BACKGROUND Analysis was undertaken on data from randomly selected participants of a bio-medical cohort study to assess representativeness. The research hypotheses was that there was no difference in participation and non-participations in terms of health-related indicators (smoking, alcohol use, body mass index, physical activity, blood pressure and cholesterol readings and overall health statu...
Children and adolescents with chronic constipation: how many seek healthcare and what determines it?
This island-wide cross-sectional survey was conducted to assess the healthcare consultations in Sri Lankan children with constipation. Children aged 10-16 years were randomly selected from five randomly selected schools in three randomly selected provinces of Sri Lanka. Data were collected using a pre-tested questionnaire based on Rome III criteria. Of the 2770 questionnaires distributed, 2694 ...
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