TABLE 20

Quality assessment of outcome evaluations

StudySequence generationAllocation concealmentBlindingIncomplete outcome dataSelective outcome reportingConfounderOther sources of bias
CB/SMKDCB/SMKDCB/SMKDCB/SMKDCB/SMKDCB/SMKDCB/SMKD
Berg et al. 8600003311222233
Cross et al.9011111111110022
Gottfredson et al.9300001122122121
Kuperminc et al.9500003121122233
Rodriguez-Planas7821111111220033
Rhodes et al.9611111122132232
Schwartz et al.7711111111110031
St Pierre et al.11100003322133322
Tebes et al.7900000311312233
Wiggins et al.11200000011222233

0, not applicable; 1, not stated/unclear; 2, yes; 3, no.

All studies were coded between CB and KD except for Wiggins et al.112

From: Appendix 16, Characteristics and quality risk of bias of outcome evaluations

Cover of The effects of Positive Youth Development interventions on substance use, violence and inequalities: systematic review of theories of change, processes and outcomes
The effects of Positive Youth Development interventions on substance use, violence and inequalities: systematic review of theories of change, processes and outcomes.
Public Health Research, No. 4.5.
Bonell C, Dickson K, Hinds K, et al.
Southampton (UK): NIHR Journals Library; 2016 May.
Copyright © Queen’s Printer and Controller of HMSO 2016. This work was produced by Bonell et al. under the terms of a commissioning contract issued by the Secretary of State for Health. This issue may be freely reproduced for the purposes of private research and study and extracts (or indeed, the full report) may be included in professional journals provided that suitable acknowledgement is made and the reproduction is not associated with any form of advertising. Applications for commercial reproduction should be addressed to: NIHR Journals Library, National Institute for Health Research, Evaluation, Trials and Studies Coordinating Centre, Alpha House, University of Southampton Science Park, Southampton SO16 7NS, UK.

Included under terms of UK Non-commercial Government License.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.