Table 1.
Descriptive statistics and change scores from month 6 to month 24 (N = 36)
| Measure | Month 6 | Month 12 | Month 24 | Month 6–12 change | Month 6–24 change | Month 12–24 change | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | M | SD | M | SD | M | SD | |
| Fruit/vegetable intake (servings/day) | 6.40 | 2.41 | 6.31 | 2.33 | 5.43 | 1.99 | −.97 | 1.21 | −.97 | 2.33** | −.88 | 2.23* |
| Consumption of sweets (servings/day) | 1.06 | .83 | 1.11 | .78 | 1.44 | .97 | .06 | .64 | .38 | 1.25* | .32 | 1.01* |
| Physical activity/week (METs/week) | 36.14 | 14.95 | 35.79 | 14.77 | 22.96 | 15.45 | −.34 | 8.13 | −13.18 | 16.83*** | −12.84 | 16.44*** |
| Negative mood | 2.44 | 10.23 | 6.94 | 12.29 | 9.56 | 15.37 | 4.50 | 7.84*** | 7.12 | 13.69** | 2.61 | 13.66 |
| Emotional eating | 17.47 | 9.61 | 18.67 | 11.59 | 20.43 | 11.14 | 1.19 | 5.37 | 2.96 | 10.05* | 1.76 | 10.07 |
| Self-regulation for controlled eating | 33.14 | 4.14 | 31.81 | 4.43 | 28.97 | 6.34 | −1.33 | 3.94* | −4.17 | 6.31*** | −2.83 | 5.90** |
| Self-efficacy for controlling eating | 130.57 | 25.25 | 128.26 | 25.37 | 124.11 | 30.34 | −2.31 | 14.93 | −6.46 | 32.17 | −4.15 | 27.37 |
| Self-regulation for exercise | 33.67 | 4.08 | 32.58 | 4.24 | 29.58 | 6.21 | −1.08 | 3.45* | −4.09 | 4.69*** | −3.00 | 5.41** |
| Exercise self-efficacy | 36.44 | 9.43 | 34.69 | 10.98 | 30.33 | 11.04 | −1.75 | 7.31 | −6.11 | 10.86*** | −4.36 | 9.06** |
Significance of change within the labeled temporal interval is based on paired one-tailed t tests (dfs = 35)
METs metabolic equivalent of tasks (a measure of energy costs)
*p < .05, **p < .01, ***p < .001