Morbidity in responders and non-responders in a register-based population survey
نویسندگان
چکیده
منابع مشابه
Drug use among complete responders, partial responders and non-responders in a longitudinal survey of nonagenarians: analysis of prescription register data.
PURPOSE In observational studies, non-response can limit representativity and introduce bias. We aimed to investigate the longitudinal changes in the number of used drugs among complete responders, partial responders, and non-responders in a whole birth cohort of Danish nonagenarians participating in a longitudinal survey. METHODS We obtained prescription data on all individuals born in 1905 ...
متن کاملBlood pressure distribution in responders and initial non-responders in a population screening study.
The distribution of diastolic blood pressure (DBP) was compared between those who responded to a first written request to attend at their general practitioner's surgery for screening for hypertension and those who need more intensive effort encouraging them to attend. After excluding 25% of the population whose current address could not be traced, 92% of the remainder were eventually seen and s...
متن کاملParticipation bias in a sexuality survey: psychological and behavioural characteristics of responders and non-responders.
BACKGROUND Few studies of sexual attitudes and behaviour have quantified the direction and magnitude of participation bias, primarily because information on non-responders is difficult to obtain in cross-sectional surveys. METHOD Australian adult twins (n = 9112) aged 17-52 years enrolled in a national, longitudinal research register were asked to participate in a postal survey concerning the...
متن کاملResponders and non-responders to probiotic interventions
"Responders and non-responders to probiotic interventions" (2010).
متن کاملThe Influence of Clinical and Biological Factors on Transfusion-Associated Non-ABO Antigen Alloimmunization: Responders, Hyper-Responders, and Non-Responders.
In the context of transfusion medicine, alloimmunization most often refers to the development of antibodies to non-ABO red blood cell (RBC) antigens following pregnancy, transfusion, or transplantation. The development of RBC alloantibodies can have important clinical consequences, particularly in patients who require chronic transfusions. It has been suggested that alloimmunization is more com...
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ژورنال
عنوان ژورنال: Family Practice
سال: 1998
ISSN: 1460-2229
DOI: 10.1093/fampra/15.3.261