Table 3.
The factors affecting implementation perceived by stakeholders and differences between intervention and control at follow-up (T1).
| Factor Mean (SD) | Intervention (n = 17) | Control (n = 16) | Linear Regression Analyses | |||
|---|---|---|---|---|---|---|
| T0 | T1 | T0 | T1 | Beta | CI | |
| Individual Factors | ||||||
| Knowledge | ||||||
| Role clarity: Clear what activities to do to make the school canteen healthier | 3.94 (0.83) | 4.29 (0.77) | 3.69 (1.14) | 4.06 (0.85) | 0.22 (0.29) | −0.37; 0.81 |
| Knowledge: I have all the information I need to make the school canteen healthier | 3.29 (1.11) | 4.24 (0.75) | 3.38 (1.03) | 3.63 (0.96) | 0.61 (0.30) * | 0.00; 1.23 |
| Knowledge: I have enough knowledge to make school canteen healthier | 3.94 (0.83) | 4.18 (0.53) | 4.06 (0.77) | 3.94 (0.68) | 0.27 (0.21) | −0.16; 0.69 |
| Self−Efficacy | 3.59 (0.54) | 3.34 (0.76) | 3.68 (0.92) | 3.71 (0.85) | −0.02 (0.25) | −0.53; 0.48 |
| Attitude | 3.78 (0.56) | 4.03 (0.50) | 3.72 (0.89) | 3.81 (0.41) | 0.21 (0.15) | −0.10; 0.52 |
| Social influence | ||||||
| Descriptive norm: Colleagues perform their healthier school canteen activities good | 2.82 (1.55) | 4.00 (0.79) | 3.56 (0.63) | 3.62 (0.96) | 0.60 (0.30) | −0.08; 1.20 |
| Subjective norm: Other people expect me to perform my healthier school canteen activities good | 3.82 (1.13) | 3.88 (1.54) | 4.00 (0.73) | 3.81 (0.83) | 0.20 (0.36) | −0.53; 0.94 |
| Social support: I receive enough support in performing my healthier school canteen activities | 3.41 (1.18) | 3.71 (1.16) | 3.75 (0.93) | 3.69 (1.08) | 0.13 (0.38) | −0.65; 0.91 |
| Routine | 3.09 (1.28) | 3.47 (1.14) | 3.44 (1.11) | 3.38 (0.79) | 0.15 (0.35) | −0.55; 0.86 |
| Intention | 3.76 (1.14) | 4.12 (1.32) | 4.38 (0.81) | 3.88 (1.50) | 0.25 (0.52) | −0.82; 1.32 |
| Motivation | 4.41 (0.51) | 4.65 (0.49) | 4.38 (1.26) | 4.19 (0.66) | 0.45 (0.20) * | 0.05; 0.86 |
| Skills | 3.82 (1.13) | 4.29 (0.47) | 4.00 (1.21) | 4.12 (0.62) | 0.17 (0.19) | −0.22; 0.57 |
| Professional Role | 3.76 (1.12) | 4.12 (1.27) | 4.00 (0.88) | 3.94 (0.87) | 0.37 (0.26) | −0.15; 0.89 |
| Behavioural regulation | 3.08 (0.79) | 3.53 (0.64) | 2.88 (1.13) | 3.38 (1.17) | 0.06 (0.29) | −0.54; 0.66 |
| Environmental factors | ||||||
| Need for support | 3.47 (1.05) | 2.61 (0.79) | 3.10 (0.99) | 3.29 (0.90) | −0.79 (0.29) * | −1.37; −0.21 |
| Innovation | ||||||
| Consistent with my usual work | 3.88 (0.93) | 3.71 (1.45) | 3.94 (0.93) | 4.06 (1.00) | −0.36 (0.44) | −1.26; 0.54 |
| Adaptable to the vision of school | 3.82 (1.19) | 4.06 (1.44) | 3.75 (0.86) | 3.75 (0.93) | 0.25 (0.29) | −0.34; 0.83 |
| Perceived organisational support | 3.33 (0.68) | 3.54 (0.46) | 3.36 (0.65) | 3.21 (0.79) | 0.35 (0.19) | −0.04; 0.74 |
* Significant differences between intervention and control group after the intervention tested with linear regression model, corrected for baseline measurement, p < 0.05.