Table 2.
Intervention (n = 81) | Comparison (n = 51) | ||||||||
---|---|---|---|---|---|---|---|---|---|
Baseline | Follow-up | Baseline | Follow-up | ||||||
Variables | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Knowledge of meal pattern | 37.1 | 15.9 | 49.9 | 16.7 | 37.4 | 17.4 | 36.5 | 14.3 | |
Outcome expectations | F | 87.7 | 8.3 | 91.1 | 7.6 | 89.3 | 11.6 | 90.6 | 8.2 |
WG*** | 80.6 | 11.6 | 86.7 | 10.9 | 83.8 | 12.2 | 83.0 | 12.2 | |
V | 76.4 | 10.3 | 81.3 | 10.6 | 81.2 | 9.9 | 81.6 | 11.9 | |
Subjective Norms | F** | 78.4 | 14.9 | 88.0 | 13.5 | 78.0 | 15.1 | 79.9 | 15.1 |
WG* | 71.8 | 16.9 | 79.9 | 17.5 | 71.2 | 16.0 | 74.9 | 15.6 | |
V* | 69.5 | 15.2 | 78.4 | 14.2 | 68.1 | 13.4 | 74.3 | 15.2 | |
Perceived Control | F | 89.9 | 8.6 | 90.2 | 9.9 | 92.6 | 8.8 | 92.9 | 8.3 |
WG | 86.8 | 11.9 | 87.1 | 14.1 | 86.8 | 16.3 | 89.3 | 12.6 | |
V | 84.8 | 10.2 | 85.5 | 11.5 | 84.6 | 15.0 | 87.5 | 9.7 | |
Intentions: number of servings intended to pack | F | 1.3 | 0.5 | 1.2 | 0.4 | 1.2 | 0.4 | 1.3 | 0.5 |
WG | 1.0 | 0.4 | 1.1 | 0.4 | 0.9 | 0.4 | 1.1 | 0.6 | |
V | 0.9 | 0.3 | 1.0 | 0.3 | 1.1 | 1.4 | 1.1 | 0.5 | |
Servings parents packed in child's sack lunches | F | 1.9 | 1.3 | 1.9 | 1.2 | 1.2 | 0.8 | 1.1 | 0.9 |
WG** | 0.6 | 0.9 | 1.2 | 1.3 | 0.5 | 1.0 | 0.5 | 0.9 | |
V** | 0.4 | 0.6 | 0.7 | 0.9 | 0.7 | 0.9 | 0.6 | 0.7 |
Significant time by intervention effects:
p < 0.05
p < 0.01
p < 0.001
Abbreviations: SD, standard deviation; F, fruit; WG, whole grains; V, vegetables