Table 3.

Association between Vitamin D level and metabolic syndrome

	Adjusted OR (95% CI)
Alla	Insufficiency vs. normal		P-value	Deficiency vs. normal		P-value
Metabolic syndrome	1.673 (1.220–2.295)		0.001	1.770 (1.145–2.736)		0.010
NAFLDb
Metabolic syndrome	1.633 (1.125–2.369)		0.010	1.607 (0.962–2.685)		0.070
Alla	Q1 vs. Q4	P-value	Q2 vs. Q4	P-value	Q3 vs. Q4	P-value
Metabolic syndrome	2.473 (1.580–3.871)	< 0.001	1.896 (1.243–2.893)	0.003	1.881 (1.243–2.846)	< 0.001
NAFLDb
Metabolic syndrome	2.358 (1.386–4.013)	0.002	1.858 (1.113–3.103)	0.018	1.972 (1.202–3.235)	0.007

OR odds ratio, CI = 95% confidence interval,

Vitamin D levels: normal (> 30 ng/ml), insufficiency (20–30 ng/ml), deficiency (< 20 ng/ml).

Vitamin D quartile: Q1 (< 22.41 ng/ml), Q2 (22.41–28.41 ng/ml), Q3 (28.41–35.38 ng/ml), Q4 (> 35.38 ng/ml).

^aadjusted for confounding factors: age, gender, BMI and NAFLD status

^badjusted for confounding factors: age, gender and BMI