Table 2.
Serum 25(OH)D (nmol/liter) concentration by gender, ethnicity, and season
| Obese |
Non-overweight |
P valueb | |||
|---|---|---|---|---|---|
| n | 25(OH)Da | n | 25(OH)Da | ||
| All | 411 | 49.0 ± 17.8 | 87 | 67.5 ± 26.8 | <0.0001 |
| Gender | |||||
| Male | 177 | 50.0 ± 17.3 | 28 | 73.3 ± 32.5 | <0.0001 |
| Female | 234 | 48.3 ± 18.0 | 59 | 64.8 ± 23.5 | <0.0001 |
| Ethnicity | |||||
| Hispanic | 200 | 47.8 ± 16.0 | 49 | 61.5 ± 27.3 | <0.0001 |
| African-American | 112 | 43.8 ± 18.0 | 11 | 66.3 ± 27.5 | 0.0002 |
| Caucasian | 88 | 58.0 ± 18.3 | 27 | 79.0 ± 22.8 | <0.0001 |
| Other | 11 | 51.8 ± 14.3 | N/A | N/A | |
| Season | |||||
| Spring | 130 | 51.0 ± 16.8 | 23 | 61.5 ± 23.0 | 0.01 |
| Summer | 105 | 52.5 ± 17.5 | 18 | 82.0 ± 32.5 | <0.0001 |
| Fall | 70 | 49.3 ± 17.8 | 24 | 64.8 ± 22.5 | 0.0007 |
| Winter | 106 | 43.0 ± 17.8 | 22 | 65.0 ± 25.3 | <0.0001 |
N/A, Not available.
a
25(OH)D values are expressed as mean ± sd.
b
P value for comparison between obese and non-overweight groups using two-way ANOVA.