Associations of body mass index and diabetes with hip fracture risk: a nationwide cohort study

BMC Public Health

Table 4 Stratified analysis of the relative risk of hip fracture between diabetes and non-diabetes patients in terms of BMI

Variables	Diabetes patients			Non-diabetes patients			Adj. HR (diabetes vs. non-diabetic)		95% CI	p -value
Variables	N	Hip fractures		N	Hip fractures (N) (%)		Adj. HR (diabetes vs. non-diabetic)		95% CI	p -value
		(N)	(%)		(N)	(%)
Sum	3508	83	2.37	18,540	232	1.25	1.64	1.30	2.15	< 0.001
BMI
BMI < 18.5	75	6	8.00	711	22	3.09	2.47	0.90	6.74	0.079
18.5 ≦ BMI < 24	1277	46	3.60	9581	123	1.28	2.13	1.48	3.06	< 0.001
24 ≦ BMI < 27	1116	17	1.52	5358	61	1.14	1.01	0.57	1.75	0.996
27 ≦ BMI < 30	644	9	1.40	2098	21	1.00	1.24	0.54	2.86	0.618
BMI ≧ 30	396	5	1.26	792	5	0.63	2.37	0.57	9.84	0.236

Note: Cox proportional hazards model was used and controlled for sex, age, urbanization of residence area, monthly salary, CCI, DCSI and weekly energy expenditure through exercise

ISSN: 1471-2458