Table 3.

Logistic regression model for odds ratio for osteoporosis (included in the model sociodemographic and clinical background)

Risk factors and sociodemographics	OR (95% CI)	P-value
Age (for each year)	1.018 (1.015–1.022)	<0.001
Sex (female > male)	18.87 (17.10–20.81)	<0.001
Socioeconomic class (high > low)	1.47 (1.39–1.56)	<0.001
Smoking	1.24 (1.13–1.35)	<0.001
Obesity	0.71 (0.67–0.76)	<0.001
Chronic renal failure	1.08 (0.98–1.20)	0.12
Hyperthyroidism	1.35 (1.11–1.63)	0.002
Rheumatoid arthritis	2.44 (20.1–2.97)	<0.001
Inflammatory bowel diseases	1.28 (0.91–1.82)	0.16
Cataract	1.30 (1.23–1.37)	<0.001

Abbreviations: OR, odds ratio; CI, confidence interval.