Table 4 Sample description
Author | Study design | Sample size |
|---|---|---|
Bekkering et al (2005), the Netherlands [51] | Cluster RCT | 113 |
Dizon et al (2014), the Phillipines [48] | RCT | 54 |
Rebbeck et al (2006), Australia [49] | RCT | 27 |
Stevenson et al (2004), United Kingdom [50] | RCT | 30 |
Maas et al (2015), the Netherlands [52] | Cluster RCT | 149 |
Van Dulmen et al (2014), the Netherlands [53] | Cluster RCT | 90 |
Bernhardsson et al (2014) Sweden [54] | Non-RCT | 277 |
Olsen et al (2015), Norway [55] | Non-RCT | 29 |
Tilson et al (2014), USA [56] | Mixed methods Before-after study | 18 |