Table 4. Univariate and multivariate analysis of factors associated with BMD at the lumbar spine, total hip, and femoral neck in women.

	Lumbar spine				Total hip				Femoral neck
	Univariate analysis		Multivariate analysis		Univariate analysis		Multivariate analysis		Univariate analysis		Multivariate analysis
	Coef (95%CI)	P-value	Coef (95%CI)	P-value	Coef (95%CI)	P-value	Coef (95%CI)	P-value	Coef (95%CI)	P-value	Coef (95%CI)	P-value
HIV	-0.03 (-0.08, 0.02)	0.22	-0.04 (-0.08, 0.01)	0.12	-0.02 (-0.06, 0.03)	0.48	-0.01 (-0.05, 0.03)	0.56	-0.01 (-0.06, 0.04)	0.65	-0.02 (-0.06, 0.02)	0.32
Age by 10 years	-0.10 (-0.14, -0.06)	<0.001	-0.11 (-0.15, -0.06)	<0.001	-0.09 (-0.13, -0.06)	<0.001	-0.10 (-0.14, -0.07)	<0.001	-0.12 (-0.15, -0.08)	<0.001	-0.13 (-0.17, -0.09)	<0.001
BMI	0.01 (0.01, 0.02)	<0.001	0.02 (0.01, 0.02)	<0.001	0.01 (0.01, 0.02)	<0.001	0.01 (0.01, 0.02)	<0.001	0.01 (0.005, 0.02)	<0.001	0.01 (0.01, 0.02)	<0.001
Current smoking	0.02 (-0.21, 0.25)	0.85			0.03 (-0.17, 0.23)	0.79			0.04 (-0.17, 0.26)	0.68
Alcohol use	0.04 (-0.09, 0.16)	0.55			0.02 (-0.09, 0.12)	0.77			0.02 (-0.09, 0.14)	0.69
HCV	-0.03 (-0.15, 0.09)	0.62			-0.01 (-0.11, 0.09)	0.80			-0.01 (-0.11, 0.10)	0.92
HBV	0.07 (-0.05, 0.18)	0.24			0.04 (-0.05, 0.12)	0.41			0.03 (-0.07, 0.12)	0.59
FH of osteoporosis	-0.04 (-0.11, 0.03)	0.27			-0.07 (-0.12, -0.01)	0.029	-0.05 (-0.10, 0.002)	0.059	-0.04 (-0.10, 0.02)	0.23
Still menstruation	0.09 (0.04, 0.14)	0.001	0.05 (0.004, 0.10)	0.035	0.05 (0.01, 0.10)	0.018	0.01 (-0.03, 0.05)	0.59	0.06 (0.01, 0.11)	0.012	0.01 (-0.04, 0.05)	0.79

*Coef = coefficient, BKK, residential location in Bangkok.

All variables with p-value <0.20 in the univariate model together with age and BMI were adjusted in the multivariate model. BMI: body mass index; HCV: hepatitis C; HBV: hepatitis B; FH: family history.