Table 3.
Risk of bias assessment
| Study | Sequence generation | Allocation concealment | Blinding of | Incomplete outcome data | Selective reporting | Other sources | |
| Personnel/participants | Outcome assessors | ||||||
| Educational strategies | |||||||
| Adeyemo et al24 |
|
|
|
|
|
|
|
| Ayodapo and Olukokun27 |
|
|
|
|
|
|
|
| Bobrow et al28 |
|
|
|
|
|
|
|
| Bolarinwa et al29 |
|
|
|
|
|
|
|
| Fairall et al32 |
|
|
|
|
|
|
|
| Goudge et al34 |
|
|
|
|
|
|
|
| Gyamfi et al35 |
|
|
|
|
|
|
|
| Labhardt et al36 |
|
|
|
|
|
|
|
| Mendis et al52 |
|
|
|
|
|
|
|
| Owolabi et al56 |
|
|
|
|
|
|
|
| Sarfo et al58 |
|
|
|
|
|
|
|
| Saunders et al60 |
|
|
|
|
|
|
|
| Stewart et al61 |
|
|
|
|
|
|
|
| Steyn et al62 |
|
|
|
|
|
|
|
| Vedanthan et al64 |
|
|
|
|
|
|
|
| Wahab et al66 |
|
|
|
|
|
|
|
| Standardised treatment | |||||||
| Akintunde et al25 |
|
|
|
|
|
|
|
| Okeahialam et al55 |
|
|
|
|
|
|
|
| Physical activity | |||||||
| Aweto et al26 |
|
|
|
|
|
|
|
| Lamina37 |
|
|
|
|
|
|
|
| Maruf et al51 |
|
|
|
|
|
|
|
| Khalid et al63 |
|
|
|
|
|
|
|
| Modified nutrition | |||||||
| Charlton et al31 |
|
|
|
|
|
|
|
: low; : unclear; : high risk of bias.