Table 4.
Quality assessment
| Ref No. | [30] | [31] | [32] | [33] | [34] | [35] | [36] | [37] | [38] | [39] | [40] | No. of studies |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trial length 6 months or greater? | N | N | N | Y | N | Y | Y | N | N | Y | N | 4 |
| Were follow up assessments conducted? | N | N | N | N | N | N | N | Y | N | N | N | 1 |
| Was the study sufficiently powered? | Y | N | N | N | N | Y | Y | N | N | Y | N | 4 |
| Was the retention rate 80 % or greater? | Y | Y | Y | N | Y | N | N | N | Y | Y | Y | 7 |
| Was the assessor blinded? | N | N | N | N | N | N | Y | N | N | N | N | 1 |
| Did participants self-monitor? | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 11 |
| Did participants receive feedback? | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 11 |
| Was there social support? | N | N | Y | Y | N | N | Y | N | Y | N | N | 4 |
| Was there a structured behavioral program? | N | Y | Y | Y | Y | N | Y | N | N | Y | N | 6 |
| Individually tailored program? | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 11 |
| Total quality | MEDIUM | MEDIUM | MEDIUM | MEDIUM | MEDIUM | MEDIUM | HIGH | LOW | MEDIUM | MEDIUM | LOW |