Table 3 Differences in 25(OH)D (nmol/l) concentrations between women and men groups of older cohort data stratified by potential effectors.
Group variables | Women mean ± SD | Men mean ± SD | p-value between-subjects effects (sex) | p-value between-subjects effects (group) |
|---|---|---|---|---|
All | 86.8 ± 30.0 (n = 516) | 81.3 ± 30.9 (n = 392) | 0.007 | |
Education at baseline | 0.007 | 0.836 | ||
At most secondary | 86.8 ± 29.7 (n = 309) | 80.6 ± 30.4 (n = 207) | ||
A least tertiary | 86.7 ± 30.6 (n = 203) | 81.8 ± 31.3 (n = 182) | ||
Smoking status | 0.030 | 0.975 | ||
Never smoker | 86.3 ± 29.8 (n = 424) | 82.4 ± 29.8 (n = 202) | ||
Ever smoker | 88.1 ± 29.8 (n = 72) | 81.0 ± 32.2 (n = 171) | ||
Physical activity | 0.002 | 0.279 | ||
Low level | 83.3 ± 31.8 (n = 73) | 76.1 ± 33.6 (n = 39) | ||
Medium level | 87.7 ± 30.4 (n = 385) | 80.6 ± 30.9 (n = 277) | ||
High level | 85.7 ± 25.6 (n = 50) | 85.2 ± 28.6 (n = 69) | ||
Body mass index | 0.002 | 0.004 | ||
Normal | 88.68 ± 25.4 (n = 122) | 86.1 ± 31.3 (n = 110= | ||
Overweight | 89.0 ± 31.7 (n = 225) | 80.7 ± 30.0 (n = 180) | ||
Obesity | 81.6 ± 25.8 (n = 145) | 74.6 ± 29.4 (n = 59) | ||
Season at time of blood sampling | 0.010 | 0.197 | ||
Spring | 89.5 ± 29.8 (n = 122) | 78.8 ± 30.7 (n = 108) | ||
Summer | 83.2 ± 28.0 (n = 56) | 76.6 ± 27.5 (n = 46) | ||
Autumn | 86.9 ± 29.9 (n = 245) | 84.6 ± 32.1 (n = 179) | ||
Winter | 82.8 ± 23.4 (n = 92) | 79.4 ± 29.5 (n = 59) |