Table 2.

Association between BRI and CI in different models

BRI	Crude Model		Model I		Model II		Model III
	OR (95% CI)	P value	OR (95% CI)	P value	OR (95% CI)	P value	OR (95% CI)	P value
All participants
Continuous	1.38 (1.20–1.59)	< 0.001	1.20 (1.02–1.42)	0.032	1.17 (0.98–1.38)	0.075	1.17 (0.98–1.39)	0.078
T1 (2.75–4.52)	Reference		Reference		Reference		reference
T2 (4.52–5.19)	1.47 (1.12–1.93)	0.005	1.37 (1.02–1.82)	0.034	1.35 (1.00–1.80)	0.047	1.34 (1.00–1.81)	0.051
T3 (5.19–8.28)	1.84 (1.41–2.41)	< 0.001	1.45 (1.06–1.99)	0.020	1.40 (1.02–1.93)	0.038	1.39 (1.00–1.93)	0.047
P for trend		< 0.001		0.020		0.039		0.048
Male
Continuous	1.24 (0.97–1.59)	0.088	1.08 (0.83–1.40)	0.577	1.06 (0.82–1.38)	0.653	1.04 (0.80–1.37)	0.750
T1 (2.83–4.29)	Reference		Reference		Reference		Reference
T2 (4.29–4.81)	1.39 (0.95–2.04)	0.086	1.36 (0.92–2.01)	0.126	1.38 (0.92–2.05)	0.116	1.38 (0.92–2.07)	0.117
T3 (4.81–6.61)	1.62 (1.11–2.37)	0.012	1.35 (0.91–2.00)	0.139	1.31 (0.88–1.95)	0.188	1.27 (0.85–1.91)	0.244
P for trend		0.013		0.140		0.192		0.251
Female
Continuous	1.46 (1.19–1.80)	< 0.001	1.30 (1.05–1.62)	0.017	1.26 (1.00–1.57)	0.045	1.26 (1.01–1.59)	0.045
T1 (2.75–4.92)	Reference	0.005	Reference		Reference		Reference
T2 (4.92–5.56)	1.75 (1.19–2.58)	< 0.001	1.62 (1.08–2.42)	0.020	1.62 (1.07–2.44)	0.022	1.70 (1.11–2.60)	0.014
T3 (5.56–8.28)	2.03 (1.38–2.99)	< 0.001	1.70 (1.13–2.55)	0.011	1.58 (1.04–2.40)	0.031	1.64 (1.07–2.51)	0.023
P for trend		< 0.001		0.012		0.032		0.024

Model I: Adjust for age, sex (only for overall population), marital status, education level

Model II: Adjust for diabetes course, diabetic dietary control, and smoking status plus model I

Model III: Adjust for stroke, hypoglycemic events in last 3 months, cardiovascular disease, microangiopathy, GFR, and TC plus model II;