Table 3. 25-OH-vitamin D 2007–2012: mean values ±SD, n and all pairwise multiple comparison procedures between months for all participants and separated for the sexes.
| p-values | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gender | n | 25-OH-vitamin D | Month | Jan | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan † | |
| mean | ±SD | |||||||||||||||
| All | 31 | 48.4 | 15.2 | <0.001 | - | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | 0.049 | ||
| Male | 20 | 47.0 | 12.1 | Jan | <0.001 | - | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | 0.038 | - | |
| Female | 11 | 51.0 | 20.2 | <0.001 | - | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | - | 0.005 | ||
| All | 43 | 39.0 | 11.0 | - | 0.001 | 0.002 | <0.001 | <0.001 | <0.001 | <0.001 | 0.004 | - | - | |||
| Male | 28 | 39.0 | 11.0 | Mar | - | 0.008 | - | <0.001 | 0.004 | <0.001 | 0.019 | 0.023 | - | - | ||
| Female | 15 | 38.8 | 11.2 | - | - | - | - | <0.001 | - | 0.009 | - | - | - | |||
| All | 4 | 45.9 | 4.7 | - | - | - | 0.044 | 0.045 | - | - | - | - | ||||
| Male | 2 | 47.4 | 5.6 | Apr | - | - | - | - | - | - | - | - | - | |||
| Female | 2 | 44.4 | 5.1 | - | - | - | - | - | - | - | - | - | ||||
| All | 27 | 33.8 | 10.6 | - | - | - | - | - | - | 0.045 | <0.001 | |||||
| Male | 18 | 33.8 | 11.6 | May | - | - | - | - | - | - | - | <0.001 | ||||
| Female | 9 | 33.7 | 9.0 | - | - | - | - | - | - | - | - | |||||
| All | 27 | 31.6 | 7.7 | - | - | - | - | - | - | <0.001 | ||||||
| Male | 16 | 31.6 | 7.5 | Jun | - | - | - | - | - | - | <0.001 | |||||
| Female | 11 | 31.5 | 8.4 | - | - | - | - | - | - | - | ||||||
| All | 27 | 31.4 | 10.0 | - | - | - | - | <0.001 | <0.001 | |||||||
| Male | 18 | 31.1 | 10.4 | Jul | - | - | - | - | 0.019 | <0.001 | ||||||
| Female | 9 | 32.1 | 9.9 | - | - | - | - | - | - | |||||||
| All | 27 | 28.3 | 7.4 | - | - | - | <0.001 | <0.001 | ||||||||
| Male | 16 | 28.9 | 8.3 | Aug | - | - | - | - | <0.001 | |||||||
| Female | 11 | 27.3 | 6.1 | - | - | - | 0.017 | - | ||||||||
| All | 27 | 30.7 | 9.3 | - | - | <0.001 | <0.001 | |||||||||
| Male | 18 | 30.4 | 9.7 | Sep | - | - | 0.008 | <0.001 | ||||||||
| Female | 9 | 31.3 | 9.1 | - | - | - | - | |||||||||
| All | 20 | 26.5 | 6.2 | - | <0.001 | <0.001 | ||||||||||
| Male | 12 | 26.2 | 7.0 | Oct | - | - | <0.001 | |||||||||
| Female | 8 | 26.9 | 5.0 | - | - | - | ||||||||||
| All | 27 | 34.4 | 10.0 | - | <0.001 | |||||||||||
| Male | 18 | 34.5 | 11.2 | Nov | - | <0.001 | ||||||||||
| Female | 9 | 34.1 | 7.6 | - | - | |||||||||||
| All | 14 | 37.6 | 13.3 | - | ||||||||||||
| Male | 9 | 36.8 | 14.4 | Dec | - | |||||||||||
| Female | 5 | 39.0 | 12.7 | - | ||||||||||||
| All | 17 | 44.2 | 19.8 | |||||||||||||
| Male | 11 | 47.6 | 23.4 | Jan † | ||||||||||||
| Female | 6 | 38.0 | 9.3 | |||||||||||||
All pairwise multiple comparison procedures (Holm-Šidák method) for differences of mean 25-OH-vitamin D serum concentrations (nmol/l) between months for all participants and separated between male and female participants with mean values ±SD and corresponding n per month,
† denotes the January at the end of the overwintering