Table 4.

Serum 25(OH)D and HOMA-IR according to residential area.

Region	Men (n = 505)		Region	Women (n = 1123)
	25(OH)D	HOMA-IR		25(OH)D	HOMA-IR
Urban (n = 371)	43.4 [32.7–55.2]	1.2 [0.8–1.8]	Urban (n = 948)	38.2 [27.2–51.9]	1.4 [0.9–2.1]
Rural (n = 134)	65.6 [54.2–76.1]	0.8 [0.5–1.3]	Rural (n = 175)	49.9 [36.7–61.7]	1.2 [0.8–1.8]
p-value	<0.001	<0.001	p-value	<0.001	0.002

Data are expressed as median [inter quartile range]. Abbreviation: HOMA-IR, homeostasis model assessment for insulin resistance.