نتایج جستجو برای: community size

تعداد نتایج: 906527  

Journal: :Journal of Agricultural Chemistry and Environment 2013

Journal: :Proceedings of the National Academy of Sciences 2009

Journal: :South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde 2007
K Nyamande U G Lalloo

OBJECTIVE To evaluate adherence to the South African guidelines for the management of community-acquired pneumonia (CAP) and to determine whether adherence reduced length of hospital stay and mortality in patients with severe CAP. SETTING King Edward VIII Hospital, Durban. METHODS Four hundred and thirty patients with CAP were recruited between June 2000 and October 2001. Severity assessmen...

2016
Rebecca C. Woodruff Gillian L. Schauer Ann R. Addison Ajay Gehlot Michelle C. Kegler

BACKGROUND Community Health Centers (CHCs) are important settings for obesity prevention and control. However, few studies have explored the barriers that CHC clinicians perceive their patients face in maintaining a healthy weight. METHODS Semi-structured in-depth interviews were conducted with thirty physicians, physician assistants, and nurse practitioners recruited from four Community Heal...

Journal: :BMJ 2013
Philip Sedgwick

Researchers investigated the effectiveness of a home based early intervention on children’s bodymass index (BMI) at age 2 years. A randomised controlled superiority trial was used. The intervention consisted of eight home visits from specially trained community nurses in the first 24 months after birth; this was in addition to the usual childhood nursing service from community health service nu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...

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