Table 7 Quality assessment of effect estimates of financial incentives on coverage of other preventive health interventions
Intervention | No. of studies | Design | Limitations | Consistency | Generalizability to population of interest | Conditionalities related to outcome (no. of studies) | Overall quality of evidence | Mean difference (95% CI) |
|---|---|---|---|---|---|---|---|---|
Preventive deworming | ||||||||
Unconditional cash transfer | 1 | Cluster RCT | Only one study | - | Ecuador* | Preventive health visits, but conditionality was not implemented (1) | Low | 0.08 (0.01; 0.15) |
Conditional cash transfer | 1 | Cluster RCT | Only one study | - | Nicaragua** | Preventive health visits, but condition was not monitored (1) | Low | 0.08 (0.00; 0.16) |
Vitamin A supplemention | ||||||||
Unconditional cash transfer | 1 | Cluster RCT | Only one study | - | Ecuador* | Preventive health visits, but conditionality was not implemented (1) | Low | 0.01 (-0.03; 0.04) |
Conditional cash transfer | 2 | RCT /Cluster RCT | Study in Nicaragua included three different CCT interventions but all were analyzed together | Consistent, both studies show benefit | Bangladesh* and Nicaragua** | Preventive health visits, but condition was not monitored (1) | Moderate | 0.16 (-0.01; 0.34) |
Iron supplementation | ||||||||
Unconditional cash transfer | 1 | Cluster RCT | Only one study | - | Ecuador* | Preventive health visits, but conditionality was not implemented (1) | Low | 0.01 (-0.03; 0.05) |
Conditional cash transfer | 1 | Cluster RCT | Only one study | - | Nicaragua** | Children’s health service attendance (1) | Low | 0.36 (0.25; 0.47) |