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Fletta eftir efnisorði "Attrition"
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(Biomed Central LTD, 2013-03-04)Background: This study examines whether alcohol-related hospitalization predicts survey non-response, and evaluates whether this missing data result in biased estimates of the prevalence of hazardous alcohol use and abstinence. Methods: Registry ... -
(2021-02-17)BACKGROUND: The majority of adolescents own smartphones, although only 8% of them use health apps. Attrition rates from adolescent mobile health (mHealth) interventions for treating mental health problems such as anxiety and depression are an issue ...
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