Table 3.

The factors influencing ADC values in lumbar spine.

	Variables	Univariate analysis		Multivariate analysis
		β	P	β	P
Men	Age (y)	− 0.13	0.200	-	-
	Fat fraction (%)	− 0.07	0.479	-	-
	BMI (kg/m2)	− 0.22	0.029	-	-
	Smoking (Y/N)	0.05	0.655	-	-
Women	Age (y)	− 0.53	< 0.001	− 0.09	0.511
	Fat fraction (%)	− 0.60	< 0.001	− 0.39	< 0.001
	BMI (kg/m2)	− 0.32	< 0.001	− 0.25	< 0.001
	Menstrual status (Pre/Post)	0.53	< 0.001	0.23	0.067

Note. BMI: Body mass index; NA: Not applicable.