Table 3.
Summary of intervention target, setting, duration, intensity and quality by short (3 months) and longer term (≥6 months) effectiveness (n = 22 studies)
| Short‐term | Longer term | |||
|---|---|---|---|---|
| Effective (n = 12) | Ineffective (n = 10) | Effective (n = 6) | Ineffective (n = 4) | |
| Target | ||||
| Vegetables | 1 | 3 | 0 | 0 |
| Fruit and vegetables | 3 | 3 | 2 | 2 |
| Healthy diet | 4 | 2 | 3 | 0 |
| Healthy lifestyle | 4 | 2 | 1 | 2 |
| Setting | ||||
| Home | 2 | 5 | 1 | 1 |
| Pre‐school/childcare | 4 | 2 | 3 | 0 |
| After‐school program | 3 | 1 | 1 | 1 |
| Community | 3 | 2 | 1 | 2 |
| Length of intervention | ||||
| 0 to 4 weeks (0–1 month) | 3 | 2 | 1 | 0 |
| 5 to 12 weeks (1–3 months) | 4 | 3 | 1 | 2 |
| 13 to 24 weeks (3–6 months) | 3 | 3 | 2 | 0 |
| 25 weeks or more (>6 months) | 2 | 2 | 2 | 2 |
| Intensity Rating | ||||
| Low (%) | 1 | 4 | 1 | 1 |
| Medium (%) | 9 | 6 | 3 | 3 |
| High (%) | 2 | 0 | 2 | 0 |
| Quality rating | ||||
| Weak (%) | 9 | 5 | 5 | 0 |
| Moderate (%) | 2 | 5 | 1 | 4 |
| Strong (%) | 1 | 0 | 0 | 0 |