Adolescent survey non-response and later risk of death. A prospective cohort study of 78 609 persons with 11-year follow-up


Näytä suppeat kuvailutiedot Mattila, Ville M - Parkkari, Jari - Rimpelä, Arja - 2012-06-17T20:14:02Z 2012-06-17 08:24:02 - 2012-06-17T20:14:02Z 2007 -
dc.identifier.issn 1471-2458 -
dc.description BioMed Central Open access -
dc.description.abstract Background Non-response in survey studies is a growing problem and, being usually selective, it leads to under- or overestimation of health outcomes in the follow-up. We followed both respondents and non-respondents by registry linkage to determine whether there is a risk of death, related to non-response at baseline. Methods Sample data of biennial surveys to 12-18-year-old Finns in 1979–1997 were linked with national death registry up to 2001. The number of respondents was 62 528 (79.6%) and non-respondents 16 081 (20.4%). The average follow-up was 11.1 years, totalling 876 400 person-years. The risk of death between non-respondents and respondents was estimated by hazard ratios (HR). Results The number of deaths per 100 000 person-years were 229 in non-respondents and 447 in respondents (HR 2.0, 95% CI: 1.5–2.6). The hazard ratios of death were for intoxication 3.2 (95% CI: 1.9–5.4), for disease 3.1 (95% CI: 2.2–4.1), for violence-related injury 2.0 (95% CI: 1.5–2.6) and for unintentional injury 1.8 (95% CI: 1.3–2.4) in non-respondents vs. respondents. The association between non-response and death increased with age at baseline, and the increase persisted after the age of 25. Conclusion Our study demonstrated significantly increased rates of death among adolescent non-respondents in a follow-up. The highest hazard ratios were seen in disease- and violence-related deaths. The death rate varied between respondents and non-respondents by death type. Increased rates of death persisted beyond the age of 25. -
dc.language.iso en -
dc.title Adolescent survey non-response and later risk of death. A prospective cohort study of 78 609 persons with 11-year follow-up -
dc.type fi=Artikkeli aikakauslehdessä | en=Journal article| -
dc.identifier.urn urn:nbn:uta-3-605 -
dc.identifier.doi 10.1186/1471-2458-7-87 -
dc.type.version fi=Kustantajan versio | en=Publisher's version| -
dc.subject.okm fi=Terveystiede | en=Health care science| -
dc.journal.title BMC Public Health -
dc.journal.volume 7 -
dc.journal.number 87 -
dc.journal.volumepagerange 1-5 -
dc.oldstats 52 -

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