Table 3.

Cox’s proportional hazards model with clinical risk factors (unadjusted) as explanatory variables for incident fracture.

	Men				Women
	N	Hazard Ratio	95% CI	p- value	N	Hazard Ratio	95% CI	p- value
Age at baseline (yrs)	1161	0.94	(0.84, 1.05)	0.254	1115	1.08	(1.01, 1.17)	0.032
Weight (kg)	1157	0.98	(0.95, 1.01)	0.171	1114	1.01	(0.99, 1.02)	0.229
Height (cm)	1156	1.03	(0.98, 1.09)	0.181	1114	0.97	(0.93, 1.00)	0.050
Previous Fracturea	1161	2.75	(1.37, 5.52)	0.005	1115	3.40	(2.26, 5.09)	<0.001
Family history of fractureb	1152	1.52	(0.77, 3.01)	0.224	1110	1.35	(0.90, 2.04)	0.151
Current smokerc	152	1.36	(0.41, 4.52)	0.615	95	0.74	(0.32, 1.71)	0.474
Ex-smokerc	574	2.54	(1.15, 5.58)	0.021	322	1.17	(0.76, 1.80)	0.481
Alcohol consumptiond	1160	1.01	(0.99, 1.02)	0.529	1115	1.02	(0.99, 1.05)	0.238
Rheumatoid arthritise	1161	1.22	(0.29, 5.07)	0.783	1115	0.85	(0.37, 1.94)	0.701
Comorbiditiesf
- 1	359	0.90	(0.44, 1.84)	0.778	375	1.26	(0.81, 1.96)	0.295
- 2 or more	212	0.80	(0.32, 1.98)	0.631	149	1.11	(0.60, 2.07)	0.742

^aFracture after the age of 45 years but before baseline

^bParents or siblings fracture after aged 45yrs

^cCompared to never smoked

^dUnits per week

^eDiagnosed since baseline

^fOut of bronchitis, diabetes, IHD, hypertension and stroke