The Relationship between Body Mass Index and Incident Diabetes Mellitus in Chinese Aged Population: A Cohort Study

Table 4

The adjusted hazardous ratios and 95% confidence interval for the risk of diabetes mellitus for the baseline BMI groups: sensitivity analysis.

		BMI groups							trend
		BMI; <18.5	BMI; 18.5 to <22.5	BMI; 22.5 to <25.0	BMI; 25.0 to <27.5	BMI; 27.5 to <30	BMI; ≥30.0
Sensitivity-1	Sample	129	967	969	732	268	72	—	—
	Case	3	23	48	46	29	5	—	—
	Model	0.81	1.00 (ref)	2.23	2.93	4.81	2.83	1.47	<0.001
		(0.24~2.71)		(1.35~3.69)	(1.75~4.88)	(2.74~8.45)	(1.06~7.56)	(1.28~1.68)
Sensitivity-2	Sample	137	1,007	977	782	313	115	—	—
	Case	4	33	55	48	25	15	—	—
	Model	0.83	1.00 (ref)	1.86	2.04	2.85	4.00	1.37	<0.001
		(0.29~2.35)		(1.20~2.87)	(1.30~3.21)	(1.68~4.84)	(2.15~7.45)	(1.22~1.54)
Sensitivity-3	Sample	191	1,658	2,030	1,670	717	251	—	—
	Case	5	47	1118	100	55	23	—	—
	Model	0.82	1.00 (ref)	2.17	2.27	2.93	3.21	1.31	<0.001
		(0.32~2.05)		(1.54~3.05)	(1.59~3.23)	(1.97~4.37)	(1.92~5.35)	(1.19~1.43)
Sensitivity-4	Sample	95	1,512	1,898	1,596	691	180	—	—
	Case	2	45	113	102	57	11	—	—
	Model	0.72	1.00 (ref)	2.11	2.31	3.02	2.08	1.28	<0.001
		(0.17~2.95)		(1.48~2.98)	(1.61~3.31)	(2.03~4.52)	(1.07~4.05)	(1.17~1.41)

Note: (1) sensitivity-1: excluding participants whose or (). (2) Sensitivity-2: excluding participants whose or or or for man or for women (). (3) Sensitivity-3: excluding participants whose per 1.73 m² (). (4) Sensitivity-4: excluding the extreme values (>99^th percentile or <1^st percentile) at baseline (). (5) Model: adjusting age (y), sex, systolic blood pressure (mmHg), diastolic blood pressure (mmHg), total cholesterol (mmol/L), triglyceride (mmol/L), low-density lipoprotein cholesterol (mmol/L), high-density lipoprotein cholesterol (mmol/L), and eGFR (mL/min per 1.73 m²).