Table 5 Linear regression model for analysis of mean 25(OH)D levels with race, pregnancy, season, age, WIC status in the study population
Characteristics | β (CI 95%) |
|---|---|
Race | |
 Black | −6.8 (− 9.8 to − 3.7) |
 White | Referent |
Pregnant | |
 Yes | 3.4 (0.2 to 6.6) |
 No | Referent |
Season | |
 Spring | −5.7 (−10.4 to − 1.0) |
 Summer | −3.4 (−7.1 to 0.4) |
 Autumn | Referent |
 Winter | −6.1 (−12.5 to 0.4) |
Age | |
 18–25 | Referent |
 > 25–30 | −3.0 (−6.8 to 0.8) |
 > 30–35 | −5.0 (−9.2 to - 0.9) |
 > 35 | −4.3 (−9.2 to 0.7) |
WIC | |
 Yes | 2.4 (−1.0 to 5.8) |
 No | Referent |