Table 3 Sample distribution by demographic and health characteristics according to the tertiles of factor scores for dietary patterns: National Health and Nutrition Examination Survey (NHANES) 2003-2006a, b
From: Association of serum vitamin D concentrations with dietary patterns in children and adolescents
Characteristic | HFLVD Pattern Scorec(n = 4404) | PD Pattern Scorec(n = 4404) | ||||||
|---|---|---|---|---|---|---|---|---|
Low (<−0.003875) | Medium (−0.003875 to 0.000925) | High (> 0.000925) | P for Trendd | Low (< 0.004175) | Medium (− 0.004175 to 0.001912) | High (> 0.001912) | P for Trendd | |
N | 1338 | 1465 | 1601 | 1523 | 1376 | 1505 | ||
Sex | ||||||||
Boys, % | 48.6 | 51.8 | 54.2 | 0.165 | 48.7 | 55.8 | 50.1 | 0.098 |
Girls, % | 51.4 | 48.2 | 45.8 | 51.3 | 44.2 | 49.9 | ||
Race-ethnicity | ||||||||
NHW, % | 70.0 | 62.2 | 55.2 | < 0.001 | 61.0 | 66.4 | 60.0 | 0.003 |
NHB, % | 7.3 | 13.9 | 24.7 | 18.0 | 13.2 | 14.7 | ||
H/MA, % | 14.3 | 14.1 | 11.5 | 10.9 | 13.1 | 15.9 | ||
Other, % | 8.3 | 9.8 | 8.6 | 10.9 | 7.3 | 9.4 | ||
Age | ||||||||
2–3 y, % | 9.6 | 8.9 | 6.7 | 0.003 | 5.3 | 8.9 | 11.0 | < 0.001 |
4–8 y, % | 25.8 | 26.6 | 26.8 | 18.6 | 30.0 | 30.4 | ||
9–13 y, % | 34.6 | 29.4 | 25.8 | 27.3 | 30.7 | 31.8 | ||
14–19 y, % | 30.1 | 35.1 | 40.6 | 48.8 | 30.4 | 26.8 | ||
Poverty income ratioe | ||||||||
< 1.0, % | 16.7 | 19.6 | 28.4 | < 0.001 | 20.4 | 20.0 | 24.3 | 0.001 |
1.0–2.5, % | 33.0 | 31.9 | 32.0 | 32.5 | 29.8 | 34.7 | ||
≥2.5, % | 48.1 | 44.7 | 37.2 | 42.3 | 48.2 | 39.3 | ||
Not reported, % | 2.1 | 3.8 | 2.4 | 4.8 | 2.0 | 1.6 | ||
Season of Examinationf | ||||||||
Fall/Winter, % | 40.2 | 39.6 | 36.8 | 0.693 | 39.0 | 36.3 | 41.4 | 0.395 |
Spring/Summer, % | 59.8 | 60.4 | 63.2 | 61.0 | 63.7 | 58.6 | ||
Use of Supplementsg | ||||||||
Yes, % | 38.4 | 35.3 | 28.5 | 0.003 | 27.0 | 36.4 | 38.9 | < 0.001 |
No, % | 61.6 | 64.7 | 71.5 | 73.0 | 63.6 | 61.1 | ||
Body mass index | ||||||||
<85th percentile, % | 86.0 | 84.0 | 84.5 | 0.610 | 81.8 | 86.2 | 86.4 | 0.028 |
≥85th percentile, % | 14.0 | 16.0 | 15.5 | 18.2 | 13.8 | 13.6 | ||
Daily screen viewingh | ||||||||
≤2 h, % | 59.8 | 48.4 | 41.6 | < 0.001 | 42.7 | 51.6 | 55.4 | < 0.001 |
3–4 h, % | 25.1 | 28.8 | 31.5 | 30.2 | 27.8 | 27.4 | ||
> 4 h, % | 15.2 | 22.8 | 26.9 | 27.0 | 20.6 | 17.3 | ||