Table 3.
Unadjusted means and (Standard Deviations) by group and time effects on total energy intake
| Baseline | 6-months | 12-months | p-values a | |||
|---|---|---|---|---|---|---|
| Variable | M (SD) | M (SD) | M (SD) | Time | Group | Group × time |
| Energy (kcal/day) | ||||||
| Attention control | 1462 (552) | 1362 (618) | 1295 (389) | .0239 | .6202 | .6434 |
| Intervention | 1471 (505) | 1385 (488) | 1394 (515) | |||
| Energy from carbohydrate (%) | ||||||
| Attention control | 53.6 (6.7) | 52.0 (8.0) | 53.9 (9.8) | .4712 | .5600 | .2871 |
| Intervention | 53.7 (9.6) | 52.9 (7.2) | 51.4 (8.3) | |||
| Energy from protein (%) | ||||||
| Attention control | 16.1 (3.3) | 16.6 (4.7) | 15.9 (4.7) | .2766 | .7346 | .5873 |
| Intervention | 16.5 (4.8) | 16.0 (3.2) | 15.5 (3.9) | |||
| Energy from fat (%) | ||||||
| Attention control | 30.3 (5.8) | 30.1 (6.2) | 29.8 (7.6) | .7241 | .0612 | .3276 |
| Intervention | 31.1 (7.3) | 31.0 (6.9) | 32.7 (6.6) | |||
| Energy from saturated fat (%) | ||||||
| Attention control | 10.1 (2.3) | 9.9 (2.4) | 9.5 (2.5) | .6933 | .0098 | .1979 |
| Intervention | 10.6 (2.9) | 10.3 (2.5) | 11.0 (2.6) | |||
| Energy from alcohol (%) | ||||||
| Attention control | 0.1 (0.5) | 0.1 (0.4) | 0.4 (1.6) | .3797 | .5409 | .8131 |
| Intervention | 0.3 (1.3) | 0.2 (1.3) | 0.4 (1.4) | |||
| Energy from sugars (%) | ||||||
| Attention control | 25.6 (7.3) | 27.6 (8.1) | 26.7 (9.1) | .3254 | .2756 | .2672 |
| Intervention | 26.1 (6.9) | 26.0 (7.0) | 24.4 (8.3) |
a p-values for Group effects from F-tests with 1 and 137 degrees of freedom; ps for Time and Group x Time effects from F-tests with 2 and 137 degrees of freedom.