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Browsing by Subject "Attrition"

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Non-response bias and hazardous alcohol use in relation to previous alcohol-related hospitalization: comparing survey responses with population data

Ahacic, Kozma; Kåreholt, Ingemar; Helgason, Asgeir R.; Allebeck, Peter (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 ...
Usage and weekly attrition in a smartphone-based health behavior intervention for adolescents : Pilot randomized controlled trial

Egilsson, Erlendur; Bjarnason, Ragnar Grímur; Njarðvík, Urður (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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