Table 1.
Characteristics of girls in the Growing Up Today Study, according to tertile of Body Mass Index at age 10yr. Girls (N=4454) were born between 1985 and 1987. Shown below are Mean or % within each tertile.
| Body Fatness (BMI) Tertile at age 10yr | |||
|---|---|---|---|
| <16.5 kg/m2 | 16.5–18.98 kg/m2 | >18.98 kg/m2 | |
| No. of girls | 1486 | 1480 | 1488 |
| Exact Age (yr) for 10yr data | 10.72 | 10.86 | 10.89 |
| Infant diet | |||
| Cow’s milk (age began, mo.) | 11.61 | 11.73 | 11.53 |
| Breast feeding (age stopped, mo.) | 5.68 | 5.94 | 5.48 |
| Formula (age began, mo.) | 2.91 | 2.94 | 2.64 |
| Solid Food (age began, mo) | 5.10 | 5.16 | 4.98 |
| Type of Formula | |||
| Cow milk | 75% | 74% | 74% |
| Soybean | 24% | 25% | 25% |
| Breast or Bottle (1st 6mo) | |||
| Breast only | 29% | 33% | 27% |
| Both | 58% | 55% | 60% |
| Formula only | 13% | 12% | 13% |
| Age 10yr Foods | |||
| Dairy Milk (glasses/day) | 1.99 | 1.89 | 1.85 |
| Soy Milk (glasses/day) | 0.010 | .003 | .002 |
| Tofu (servings/day) | 0.006 | .005 | .004 |
| Yogurt (cups/day) | 0.11 | 0.13 | 0.12 |
| cheese (slices/day) | 0.52 | 0.54 | 0.53 |
| Eggs (per day) | 0.11 | 0.11 | 0.12 |
| Total fruit (servings/day) | 1.12 | 1.14 | 1.09 |
| Apples, Bananas, Grapes | 0.56 | 0.58 | 0.54 |
| Fruit Juice (glasses/day) | 0.79 | 0.79 | 0.76 |
| Total Vegetables (servings/day) | 1.18 | 1.16 | 1.15 |
| Green Leafy Vegetables | 0.41 | 0.41 | 0.41 |
| Yellow/Orange Vegetables | 0.40 | 0.38 | 0.37 |
| Legumes | 0.14 | 0.14 | 0.14 |
| Peanut butter sandwiches and small bags of nuts (per day) | 0.21 | 0.20 | 0.18 |
| Fish (servings/day) | 0.11 | 0.10 | 0.10 |
| White potatoes, bread, fries | 1.06 | 0.99 | 1.06 |
| Olive Oil | 22% | 24% | 20% |
| Age 10yr Nutrients (gm/day)a | |||
| Animal (non-dairy) protein | 25.3 | 25.6 | 25.7 |
| Dairy Protein | 27.9 | 28.1 | 28.1 |
| Vegetable protein | 24.7 | 24.6 | 24.4 |
| Animal (non-dairy) fat | 16.6 | 16.5 | 17.0 |
| Dairy fat | 18.2 | 17.8 | 17.1 |
| Vegetable fat | 35.6 | 35.2 | 35.3 |
| Total carbohydrates | 280.2 | 282.4 | 283.0 |
| Total Fiber | 16.2 | 16.3 | 16.2 |
| Total calories (kcal/day) | 2074 | 2020 | 1963 |
| Body Size at 10yr | |||
| BMI at 10yr (kg/m2-) | 15.20 | 17.67 | 21.84 |
| Height at 10yr (in) | 56.2 | 57.1 | 58.0 |
| Weight at 10yr (lb) | 68.4 | 82.3 | 105.0 |
| Physical Activity 10yr (hrs/day) | 1.30 | 1.33 | 1.25 |
| Body size: adolescence to adulthood | |||
| PHV (in/yr) | 3.43 | 3.40 | 3.36 |
| Peak Age (yr) | 12.0 | 11.85 | 11.76 |
| Age at Menarche (yr) | 13.3 | 12.8 | 12.4 |
| Adult Height (in) | 65.3 | 65.2 | 65.2 |
| Weight at 18yr (lb) | 123.4 | 133.3 | 154.5 |
| BMI at 18yr (kg/m2) | 20.3 | 22.00 | 25.48 |
| Height growth (in) 10–18yr | 10.0 | 8.9 | 8.0 |
| Weight change (lb) 10–18yr | 57.8 | 54.3 | 53.2 |
| BMI change 10–18yr | 5.4 | 4.7 | 4.0 |
| Breast Disease | |||
| GUTS BBD (young adulthood) | 2.35% | 1.77% | 1.93% |
| Maternal BC | 4.6% | 5.9% | 5.7% |
| Maternal BBD | 18.5% | 18.8% | 15.8% |
| Maternal BC and BBD | 1.01% | 1.35% | 1.48% |
a
Nutrients are energy-adjusted (residual method).