Table 5.

Risk factors to osteoporosis

	OR	CI	P value
Sex (female)	4.47	1.25 – 16.02	0.022
Age (≥ 70 years)	3.45	1.21 – 9.81	0.020
Oxidative stress	2.79	1.08 – 7.23	0.034
Cigarette smoking	3.18	0.62 – 16.29	0.165
Alcohol intake (≥ 2 cups/day)	2.16	0.77 – 6.00	0.140
Overweight (BMI ≥ 27)	0.36	0.14 – 0.93	0.035

Logistic regression, R² = 0.255, p < 0.01; OR = odds ratio; CI = confidence interval