| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10516260 | Public Health | 2015 | 11 Pages |
Abstract
This study confirmed the possibility of systematic selection bias by adolescents' sociodemographic characteristics. The representativeness of the study sample might have been improved by more intense recruitment strategies.
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Authors
V. Kekkonen, P. Kivimäki, H. Valtonen, J. Hintikka, T. Tolmunen, S.M. Lehto, E. Laukkanen,