TABLE 3.
Age group–specific associations of dietary approaches to weight control with subsequent weight change among 4456 adolescents and young adult females in the Growing Up Today Study (2001–2005)1
| 14–17.9 y (n = 2578) |
18–22 y (n = 1878) |
|||
| Combined with exercising more than weekly | Combined with exercising ≥5 times/wk | Combined with exercising more than weekly | Combined with exercising ≥5 times/wk | |
| Low-calorie diet | −0.0 (−0.8, 0.7) | −0.7 (−1.8, 0.3) | −0.5 (−1.3, 0.2) | −2.1 (−3.1, −1.1) |
| Low-fat diet | −0.3 (−1.0, 0.4) | −0.8 (−1.8, 0.2) | −0.6 (−1.4, 0.1) | −2.4 (−3.5, −1.3) |
| No snacks or desserts | −0.0 (−0.7, 0.6) | −0.3 (−1.2, 0.6) | −0.5 (−1.2, 0.2) | −2.22 (−3.3, −1.2) |
| Limited portion sizes | −0.6 (−1.4, 0.1) | −0.9 (−1.9, −0.1) | −0.4 (−1.2, 0.4) | −3.03 (−4.2, −1.9) |
| Skip meals | −0.2 (−1.0, 0.6) | −0.5 (−1.7, 0.7) | −0.4 (−1.2, 0.5) | −2.1 (−3.6, −0.6) |
1
The average weight change (converted from pounds to kilograms by dividing by 2.2) was measured in kilograms over 4 y, and the 95% CI (in parentheses) was obtained from mixed models that controlled for age, previous weight change, height change, and television time.
2
P < 0.05 for interaction by age group.
3
P< 0.01 for interaction by age group.