Table 4.

Results from binary logistic regression analysis for vitamin D deficiency

	Subcategory	OR	p	95% Confidence interval
Season			0.007
	winter	5.000	0.003	1.754–14.250
	Spring	1.925	0.080	0.925–4.005
	Summer	1.014	0.970	0.500–2.055
	Autumn	1.00
Employment tatus	Non-working	0.494	0.036	0.256–0.955
	Working	1.00
Parity	Nulliparous	2.320	0.030	1.076–3.981
	One	1.00