Table 5

Adjusted ORs for diabetes and pre-diabetes by quartiles of adiponectin (compared with normoglycaemia population)

T2DM risk factors (n)	Distribution of adiponectin	Diabetes			Pre-diabetes			Pre-diabetes or diabetes
T2DM risk factors (n)	Distribution of adiponectin	n (%)	OR (95% CI)*	P value	n (%)	OR (95% CI)*	P value	n (%)	OR (95% CI)*	P value
≥1	Quartile 1	60 (11.83)	1.00	–	271 (37.74)	1.00	–	331 (42.54)	1.00	–
	Quartile 2	27 (5.86)	0.38 (0.23 to 0.63)	<0.001	235 (35.13)	0.79 (0.62 to 1.00)	0.048	262 (37.64)	0.71 (0.56 to 0.89)	0.003
	Quartile 3	24 (5.84)	0.33 (0.19 to 0.55)	<0.001	201 (34.18)	0.63 (0.49 to 0.81)	<0.001	225 (36.76)	0.57 (0.44 to 0.72)	<0.001
	Quartile 4	25 (6.94)	0.30 (0.17 to 0.51)	<0.001	206 (38.08)	0.58 (0.45 to 0.76)	<0.001	231 (40.81)	0.52 (0.40 to 0.67)	<0.001
≥2	Quartile 1	51 (14.45)	1.00	–	213 (41.36)	1.00	–	264 (46.64)	1.00	–
	Quartile 2	21 (9.10)	0.43 (0.24 to 0.76)	0.005	152 (41.99)	0.83 (0.62 to 1.11)	0.208	173 (45.17)	0.75 (0.57 to 0.99)	0.043
	Quartile 3	20 (10.70)	0.46 (0.25 to 0.82)	0.010	124 (42.61)	0.72 (0.52 to 0.99)	0.043	144 (46.30)	0.67 (0.49 to 0.90)	0.009
	Quartile 4	14 (11.20)	0.38 (0.18 to 0.75)	0.007	98 (46.89)	0.68 (0.46 to 0.98)	0.040	112 (50.22)	0.61 (0.43 to 0.87)	0.007
3	Quartile 1	11 (22.92)	1.00	–	44 (54.32)	1.00	–	55 (59.78)	1.00	–
	Quartile 2	8 (23.53)	0.57 (0.17 to 1.80)	0.345	27 (50.94)	0.63 (0.30 to 1.33)	0.229	35 (57.38)	0.64 (0.31 to 1.29)	0.210
	Quartile 3	4 (17.39)	0.33 (0.07 to 1.30)	0.131	24 (55.81)	0.72 (0.32 to 1.61)	0.424	28 (59.57)	0.66 (0.30 to 1.44)	0.297
	Quartile 4	1 (5.88)	0.08 (0.00 to 0.54)	0.028	12 (42.86)	0.33 (0.12 to 0.89)	0.030	13 (44.83)	0.29 (0.11 to 0.73)	0.010

P values were for the χ² analyses across the groups. Significant p-values (p < 0.05) were in bold.
*Adjusted by sex and age.
T2DM, type 2 diabetes mellitus.