Group | Intervention group | Control group | Result of Mann- Whitney test** | Result of ANCOVA*** | |
---|---|---|---|---|---|
Variable | Mean ± SD | Mean ± SD | MD (95% CI)* | P-value | |
Before the intervention | 5.1 ± 1.3 | 4.7 ± 0.5 | P = 0.18 | 2.1 (1.54–2.54) | P < 0.001 |
Knowledge | 7.1 ± 1.2 | 5.0 ± 0.8 | |||
After the intervention | |||||
Before the intervention | 26.1 ± 2.1 | 25.9 ± 3.5 | P = 0.93 | 5.1 (3.60–6.63) | P < 0.001 |
Attitude | 30.9 ± 2.9 | 25.8 ± 3.3 | |||
After the intervention | |||||
Before the intervention | 20.2 ± 1.6 | 19.9 ± 1.7 | P = 0.18 | 2.9 (2.13–3.67) | P < 0.001 |
Subjective norms | 22.7 ± 1.6 | 19.8 ± 1.5 | |||
After the intervention | |||||
Before the intervention | 22.8 ± 2.3 | 22.2 ± 3.5 | P = 0.72 | 4.2 (2.82–5.44) | P < 0.001 |
Perceived behavioral | 26.6 ± 2.2 | 22.4 ± 3.4 | |||
control | |||||
After the intervention | |||||
Before the intervention | 23.2 ± 2.5 | 22.5 ± 1.1 | P = 0.24 | 5.9 (4.75–7.03) | P < 0.001 |
Behavioral intention | 28.3 ± 1.1 | 22.4 ± 2.0 | |||
After the intervention | |||||
Before the intervention | 20.6 ± 1.6 | 20.9 ± 1.5 | P = 0.42 | 2.8 (2.02–3.55) | P < 0.001 |
Nutritional behavior | 23.8 ± 1.4 | 21.0 ±1.7 | |||
After the intervention |