Table 1 Self-determination theory reviews
| Â | Ng et al. [40] | Gillison et al. [21] | Ntoumanis et al. [20] |
|---|---|---|---|
Designs included | 184 independent datasets, primarily non-experimental design | 74 studies including a control group (59 of randomised clinical trials (RCTs) or cluster RCTs) | 73 independent datasets, 58 RCTs (20 of these were cluster RCTs) |
Number of trials including people with diabetes | One trial [47] | ||
Registered in PROSPERO | No | No | No |
Protocol published | No | No | No |
Restricted searches | PsycINFO, PsycARTICLES and PubMed, citation searches (ISI web of knowledge) | Web of Science, PsychINFO, PubMed, Cochrane Database, DARE, Biomed Central, Sociological abstracts, ProQuest | PsycINFO, PsycARTICLES and PubMed/Medline |
Assessment of bias risk | Not performed | A modified version of the Cochrane risk of bias tool (random group allocation, treatment allocation concealment, groups similar at baseline, blinded outcome assessor, intention-to-treat analyses, risk of bias) | A modified version of the Cochrane risk of bias tool (random group allocation, group allocation concealment, blinded outcome assessor, handling of missing data, selective reporting, other bias) |
Assessment of random errors, using trial sequential analysis | No | No | No |
Outcomes | Specific self-determination theory constructs | Specific self-determination theory constructs | Specific self-determination theory constructs |
Assessment of adverse effects | No | No | No |