The HUNT study: participation is associated with survival and depends on socioeconomic status, diseases and symptoms.

ABSTRACT:

Background

Population based studies are important for prevalence, incidence and association studies, but their external validity might be threatened by decreasing participation rates. The 50 807 participants in the third survey of the HUNT Study (HUNT3, 2006-08), represented 54% of the invited, necessitating a nonparticipation study.

Methods

Questionnaire data from HUNT3 were compared with data collected from several sources: a short questionnaire to nonparticipants, anonymous data on specific diagnoses and prescribed medication extracted from randomly selected general practices, registry data from Statistics Norway on socioeconomic factors and mortality, and from the Norwegian Prescription Database on drug consumption.

Results

Participation rates for HUNT3 depended o

SUBMITTER: Langhammer A 

PROVIDER: S-EPMC3512497 | biostudies-literature | 2012 Sep

REPOSITORIES: biostudies-literature