Table 3 Results of multivariable linear regression analysis of determinants of circulating 25(OH)D concentration (nmol/L) in the first trimester of pregnancy (n = 793).
From: Prevalence and risk factors of hypovitaminosis D in pregnant Spanish women
Determinants | β | SE | (95% CI) | p |
|---|---|---|---|---|
Age (years) | − 0.161 | 0.109 | − 0.376, 0.0532 | 0.138 |
BMI (Kg/m2) during 1st trimester (Excess weight, BMI ≥ 25 kg/m2) | − 4.320 | 1.097 | − 6.474, − 2.156 | < 0.001 |
Ethnicity (Arab or dark skin) | − 10.334 | 1.518 | − 13.316, − 7.353 | < 0.001 |
Social class (low/ medium) | − 3.667 | 1.484 | − 6.579, − 0.753 | 0.014 |
Smoking habit (yes) | 2.114 | 1.218 | − 0.277, 4.506 | 0.083 |
Physical activity during 1st trimester (METS-min/week) | 0.001 | 0.001 | 0.0002, 0.002 | 0.022 |
Season at blood collection (winter/spring) | − 13.246 | 1.080 | − 15.367, − 11.126 | < 0.001 |
Milk intake during 1st trimester (servings/day) | 1.947 | 0.904 | 0.173, 3.721 | 0.031 |
Yogurt intake during 1st trimester (servings/day) | 3.014 | 1.258 | 0.544, 5.485 | 0.017 |
