Table 6 The relationship between weather change and 25(OH)D levels in a population from South China
25(OH)D(ng/mL) | Spring | Summer | Autumn | Winter | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
March | April | May | June | July | August | September | October | November | December | January | February | |
Male | 34.43 ± 11.10 | 36.08 ± 12.27 | 39.73 ± 12.28 | 36.94 ± 12.98 | 37.12 ± 9.81 | 34.89 ± 9.50 | 34.72 ± 11.12 | 34.80 ± 10.92 | 29.10 ± 14.16 | 30.74 ± 10.06 | 31.54 ± 11.79 | 30.81 ± 10.91 |
Female | 29.85 ± 10.80 | 30.81 ± 11.98 | 31.35 ± 12.39 | 29.97 ± 11.91 | 34.74 ± 10.67 | 33.51 ± 10.91 | 31.67 ± 10.81 | 31.57 ± 11.13 | 29.36 ± 9.79 | 27.43 ± 10.04 | 27.46 ± 10.36 | 26.78 ± 9.25 |
Weather (days) | ||||||||||||
 Sunny | 11 | 9.5 | 8 | 6 | 7 | 7 | 16 | 20 | 12 | 9 | 10.5 | 9 |
 Overcast | 9 | 8 | 10 | 7.5 | 8 | 9 | 5 | 4 | 8 | 12 | 10 | 11 |
 Rain | 11 | 12.5 | 13 | 16.5 | 16 | 15 | 9 | 7 | 10 | 10 | 10.5 | 8 |