Table 4.

Serum vitamin D levels within and between the different age groups of males and females

Age groups (years)	Gender	N = 26,750	Mean log Vitamin D (± SD) ng/ml	Vitamin D Deficiency (%)	Vitamin D Insufficiency (%)	Vitamin D Sufficiency (%)	p-valueα
Overall	Male	9002	1.23 ± 0.29	37	31	27	< 0.001*
	Female	17,748	1.25 ± 0.33	62	69	72
Children <  = 5	Male	625	1.30 ± 0.31	57	59	62	0.621
	Female	442	1.30 ± 0.33	43	41	38
Children 6—12	Male	762	1.19 ± 0.28	57	58	46	< 0.001*
	Female	611	1.20 ± 0.31	42	42	54
13—18	Male	432	1.20 ± 0.31	31	37	40	0.004*
	Female	889	1.08 ± 0.35	70	63	60
19—50	Male	4760	1.20 ± 0.28	33	25	20	< 0.001*
	Female	11,738	1.24 ± 0.33	67	75	79
> 50	Male	2423	1.28 ± 0.29	44	33	30	< 0.001*
	Female	4068	1.34 ± 0.31	56	66	70

^αPearson chi-square; *p values were considered significant at 0.05. SD: standard deviation