Table 2.

Relationship between depression and the serum 25-hydroxyvitamin D levels totally and by Gender and Age

	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