|
| Study | Knowledge | Risk behavior |
|
| Ross et al. 2007 [17]; Hayes et al. 2005 [26]* and Doyle et al., 2010 [27]* | Statistically significant in the hypothesized direction
< 0.001 | Statistically significant in the hypothesized direction
< 0.001
*Reported statistically significant effects for young males, but not young females. |
|
| Maro et al. 2009 [12] | Statistically significant in the hypothesized direction
< 0.05 | Statistically significant in the hypothesized direction
< 0.05 |
|
| Pettifor et al. 2005 [18] and Stadler and Hlongwa 2002 [28]* | Not applicable | Statistically significant in the hypothesized direction
< 0.05 |
|
| Cowan et al. [29], 2008 and Cowan et al. 2010* [19] | Statistically nonsignificant in the hypothesized direction
< 0.001 | Statistically nonsignificant in the hypothesized direction
< 0.001 |
|
| Erulkar et al. 2004 [20] | Statistically significant in the hypothesized direction
< 0.01 | Statistically significant in the hypothesized direction
< 0.01 |
|
| Underwood et al., 2006 [21] | Statistically nonsignificant in the hypothesized direction
< 0.01 | Statistically significant in the hypothesized direction
< 0.01 |
|
| Nastasi et al., 1998 [25] | Statistically significant in the hypothesized direction
< 0.01
*Reported improved knowledge for young women | Not applicable |
|
| Speizer et al., 2001 [22] | Statistically significant in the hypothesized direction
≤ 0.05 | Statistically significant in the hypothesized direction
< 0.05 |
|
| Jewkes et al., 2008 [23] | Not applicable | Statistically significant in the hypothesized direction
= 0.063 |
|
| Harvey et al., 2000 [24] | Statistically significant in the hypothesized direction
< 0.01 | Statistically significant in the hypothesized direction
< 0.01 |
|
