Table 2 Studies reporting mean and SD of the knowledge and attitude of the subjects as separate variables before and after the training
| Study | Knowledge | Attitude | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Author | Sample | Before M (SD) | After M (SD) |
Score Range | Statistical sig. |
Before M (SD) |
After M (SD) |
Score Range | Statistical sig. |
| Motallebi, 1996 | Behvarz | 15.43(5.04) | 32.52(2.84) | 0–38 |
t = 30.99 p < 0.01 | 8.39(2.23) | 12.58(1.41) | 0–26 |
t = 16 p < 0.01 |
| Davasaz, 2004 | General population | ||||||||
| Experimental | 36.36(8.4) | 46.9(4.78) | 0–58 | F = 107.26 | 6.29(5.7) | 14.51(3.36) | 0-22 | F = 56.43 | |
| Control 1* | 32.73(8.85) | 35.96(5.44) | 0–51 | df = 2,270 | 6.36(4.04) | 6.65(3.67) | df = 2,264 | ||
| Control 2* | 32.04(6.68) | 30.94(4.44) | 0–42 | p < 0.0001 | 4.43(3.01) | 5.20(2.79) | P < 0.0001 | ||
| Bolhari, 1995 |
General population | ||||||||
| Experimental | - | - | - | - | 14.33(2.87) | 14.7(3.07) | 0-22 |
t = 2.21** p < 0.05 | |
| Control | 14.44(2.91) | 14(3.04) | |||||||
|
Shahmohammadi, 1990 |
General population | ||||||||
| Experimental | - | - | - | - | 18.79(22.27) | 23.12(24.34) | 0–30 |
t = 9.44** p < 0.01 | |
| Control | 18.25(22.75) | 20.18(28.75) | |||||||