Table 2.

Fasting plasma glucose and serum 25-hydroxy vitamin D levels of study participants (N = 510)

Outcomes	Study Participants			P-value
	All	Swedish Descent a	Middle Eastern Descent b
Total, n (%)	510 (100)	278 (100)	232 (100)	-
Fasting plasma glucose level, mean (SD), mmol/L	5.7 (0.8)	5.7 (0.5)	5.6 (0.5)	0.03d
Abnormal (> 6.0 mmol/L) fasting plasma glucose, n (%)	196 (38.4)	101 (36.3)	95 (40.9)	0.29c
s-25(OH)D level, median (IQR), nmol/L	46 (28–68)	62 (50–86)	34 (21–47)	< 0.001e
Inadequate (≤ 50 nmol/L) s-25(OH)D, n (%)	213 (41.8)	57 (20.5)	156 (67.2)	< 0.001c
Deficiency (< 30 nmol/L) s-25(OH)D, n (%)	100 (19.6)	14 (5.0)	86 (37.1)	< 0.0001c

^a Born in Sweden to parents born in Sweden

^b Born in or one parent born in Turkey, Iran, or Iraq [including region of Kurdistan]

^c Based on the chi-square test

^d Based on t-test

^e Based on Wilcoxon rank sum test

Abbreviations: SD, standard deviation; s-25(OH)D, serum 25-hydroxy vitamin D; IQR, interquartile range