Table 2.
Intervention components at each level of the ecological model.
| Study | Individual | Interpersonal | Institutional | Community | Policy | Total number of levels |
|---|---|---|---|---|---|---|
| Alpert et al., 1990 | 1 | 0 | 0 | 0 | 0 | 1 |
| Eliakim et al., 2007 | 1 | 1 | 1 | 0 | 0 | 3 |
| Latorre-Román et al., 2018 | 1 | 0 | 0 | 0 | 0 | 1 |
| Nemet et al., 2011a | 1 | 1 | 1 | 0 | 0 | 3 |
| Nemet et al., 2011b | 1 | 1 | 1 | 0 | 0 | 3 |
| Puder et al., 2011 | 1 | 1 | 1 | 0 | 0 | 3 |
| Tan et al., 2017 | 1 | 0 | 0 | 0 | 0 | 1 |
| Zhou et al., 2014 | 1 | 1 | 1 | 1 | 1 | 5 |
Review conducted in June 2018.
1 = Level of the model included in the intervention; 0 = level of the model not included in the intervention.