Table 2 Relationship between depression and the serum 25-hydroxyvitamin D levels totally and by Gender and Age
From: Vitamin D deficiency and depression in obese adults: a comparative observational study
| Â | Non-Depressed | Depressed | P-value | ||
|---|---|---|---|---|---|
Vitamin D | Vitamin D | ||||
Mean | Standard Deviation | Mean | Standard Deviation | ||
Total | 27 | 13 | 20 | 15 | <  0.001 |
Gender | |||||
 Male | 24 | 12 | 17 | 14 | 0.01 |
 Female | 27 | 13 | 21 | 16 | < 0.001 |
Age | |||||
 18–39 | 25 | 12 | 16 | 13 | < 0.001 |
 40–60 | 29 | 14 | 23 | 16 | 0.03 |