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Bonell C, Dickson K, Hinds K, et al. The effects of Positive Youth Development interventions on substance use, violence and inequalities: systematic review of theories of change, processes and outcomes. Southampton (UK): NIHR Journals Library; 2016 May. (Public Health Research, No. 4.5.)

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The effects of Positive Youth Development interventions on substance use, violence and inequalities: systematic review of theories of change, processes and outcomes.

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Appendix 7Data extraction tool for outcome evaluations

  1. Study location (country, area of country)
    1. Not stated
    2. Details
  2. The nature of the intervention(s)/components and how it was delivered to intervention group(s)
    1. Not stated
    2. Details
  3. The nature of the intervention(s)/components delivered to control group(s)
    1. Waitlist/delayed treatment
    2. Attention placebo/alternative intervention (please specify)
  4. Use if the comparison group receives a different intervention to the treatment group that is not the same as usual care and which has different aims to the main intervention
    1. Usual treatment/care, with assignment
    2. Matched group from target population or other inactive, without assignment
  5. How intervention was developed
    1. Not stated
    2. Details
  6. Timing of interventions
    1. Not stated
    2. Details
  7. Provider organisation description
    1. Not stated
    2. Details
  8. Target population
    1. Not stated
    2. Details
  9. Timing of outcome evaluation
    1. Not stated
    2. Details
  10. Outcome evaluation study design
    1. RCT
    2. nRCT
  11. Unit of allocation
    1. Individual
    2. Other (please specify)
  12. Generation of allocation sequence: any stratification, minimisation, etc.?
    1. Not applicable
    2. Not stated
    3. No
    4. Yes
      Guidance: for example, the investigators describe a random component in the sequence generation process such as: referring to a random number table; using a computer random number generator; coin tossing; shuffling cards or envelopes; throwing dice; drawing of lots; minimisation.
      Note: minimisation may be implemented without a random element and this is considered equivalent to being random.
  13. Concealment of allocation (provide details)
    1. Not applicable
    2. Not stated
    3. No
    4. Yes
      Guidance: for example, participants and investigators enrolling participants could not foresee assignment because one of the following, or an equivalent method, was used to conceal allocation: central allocation (including telephone, web-based and pharmacy-controlled randomisation); sequentially numbered drug containers of identical appearance; sequentially numbered, opaque, sealed envelopes.
  14. Blinding of intervention provider, outcome assessor
    1. Not stated
    2. No
    3. Yes
  15. Sample size, overall response rates at baseline
    1. Not stated
    2. Details
  16. Sample size, overall response rates at follow-up
    1. Not stated
    2. Details
  17. Sociodemographic characteristics at baseline/follow-up
    1. Not stated
    2. Details
  18. Were baseline equivalence/differences between arms reported?
    1. Yes
    2. No
  19. How were differences between intervention and comparison groups controlled?
    1. Not applicable (e.g. RCT)
    2. Matching (please specify)
    3. Adjustment (please specify)
    4. Not controlled
    5. Not stated/Not clear (please specify)
  20. Outcome measures (1): for each one answer the following
    1. Description
    2. Pre-hypothesisation
      • – Primary outcome
      • – Secondary outcome
      • – Other
      • – No
  21. Evidence of reliability/validity (provide details)
    1. Yes
    2. No
  22. Data collection methods
    1. Not stated
    2. Details
  23. Baseline response rate
    1. Not stated
    2. Details
  24. Follow-up response rate
    1. Not stated
    2. Details
  25. Rates of outcome by arm at follow-up (this is for each outcome, by intervention group and control group – differing from overall follow-up rates)
    1. Not stated
    2. Details
  26. Effect sizes
    1. Overall
      Guidance: if multiple choose ITT, adjusted analysis accounting for any clustering
      • by gender
      Guidance: if multiple choose ITT, adjusted analysis accounting for any clustering
      1. by age
      Guidance: if multiple choose ITT, adjusted analysis accounting for any clustering
      1. by SES
      Guidance: if multiple choose ITT, adjusted analysis accounting for any clustering
      1. by ethnic subgroup
      Guidance: if multiple choose ITT, adjusted analysis accounting for any clustering
      1. No effect size?
  27. Study analysis was intention-to-treat?
    1. Not stated
    2. No
    3. Yes
  28. Study analysis appropriately accounted for clustering
    1. Not stated
    2. No
    3. Yes
  29. Study analysis adjusted for confounders
    1. Not stated
    2. No
    3. Yes
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.

Bookshelf ID: NBK362308
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