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. 2020 May 1;21:371. doi: 10.1186/s13063-020-4177-7

Table 2.

Overview of qualitative studies

No. Participants Method Sample size per site Time point
T0 T2
1 Service users Interviews 6–8 x
2 Peer support workers Focus groups 2 groups (3–7) x
3 Mental health workers Focus groups 1 group (6–8) x x
4 Key informants Focus groups 4–6 x x

Measurement points for other measures based on the entire duration of the intervention: T0 = baseline or earlier (at the start of the intervention); T2 = month 24 or earlier (at the end of the intervention)