Methodological Issues in Exercise Intervention Studies: Attrition and Adherence
نویسندگان
چکیده
منابع مشابه
Methodological issues of confounding in analytical epidemiologic studies
Background: Confounding can be thought of as mixing the effect of exposure on the risk of disease with a third factor which distorts the measure of association such as risk ratio or odds ratio. This bias arises because of complex functional relationship of confounder with both exposure and disease (outcome). In this article, we provided a conceptual framework review of confounding issues in epi...
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the aim of this study was to determine adherence and attrition rates in a lifestyle intervention for people with metabolic syndrome.adherence and attrition data from a randomized controlled trial were collected. participants were classified as adherence group if they completed assessments at 3 and 6 months follow-up and as attrition group if they did not. physical activity and quality of life w...
متن کاملmethodological issues of confounding in analytical epidemiologic studies
background: confounding can be thought of as mixing the effect of exposure on the risk of disease with a third factor which distorts the measure of association such as risk ratio or odds ratio. this bias arises because of complex functional relationship of confounder with both exposure and disease (outcome). in this article, we provided a conceptual framework review of confounding issues in epi...
متن کاملAchieving Consensus Deal with Methodological Issues in the Delphi Technique
Delphi is a powerful technique used to seek answers to appropriate questions. The purpose of this paper is to provide an overview of the Delphi technique as a research method. This paper discusses the scientific merit of the Delphi technique by investigating on 41 studies of Journal of Agricultural Education from 1981 to 2013, and 2 studies of Journal of Agricultural Science and Technology. The...
متن کاملIncentives in Web Studies: Methodological Issues and a Review
Two meta-analyses review the effectiveness of incentives in Web studies. The first analysis summarizes 32 experiments on the impact of material incentives on response. It is based on a sample of 212,810 people. A significant effect (odds ratio = 1.19; 95% confidence interval: 1.13—1.25) is revealed, indicating that incentives motivate people to start a Web survey. The second analysis comprises ...
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ژورنال
عنوان ژورنال: Biology of Blood and Marrow Transplantation
سال: 2014
ISSN: 1083-8791
DOI: 10.1016/j.bbmt.2013.12.322