Important risk factors and attributable risk of vertebral fractures in the population-based Tromsø study

Table 2 The association between risk factors and morphometric vertebral fracture in bivariate analysis (logistic regression)

Risk factor	Unit of comparison	OR and 95%CI	OR and 95%CI
		Women	Men
Age	+5 years	1.43 (1.31 – 1.56)	1.28 (1.17 – 1.40)
Total hip BMD	−0.13/-0.14 g/cm^2*	1.60 (1.34 – 1.90)	1.40 (1.18 – 1.67)
Weight	+5 kg	0.93 (0.88 – 0.99)	0.99 (0.92 – 1.06)
Height	+5 cm	0.89 (0.79 – 1.01)	0.97 (0.85 – 1.11)
BMI	+ 4 kg/m²	0.88 (0.74 – 1.04)	0.99 (0.78 – 1.27)
Health status	Good vs Poor	0.87 (0.64 – 1.19)	0.98 (0.70 – 1.38)
Physical activity	High vs Low	1.11 (0.65 – 1.89)	0.92 (0.60 – 1.41)
Smoking status	Yes vs No	0.77 (0.52 – 1.14)	0.88 (0.55 – 1.40)

Note: The effect of BMD, weight, height, etc. was each adjusted for age *-1 SD which was −0.13 g/cm² in women and −0.14 g/cm² in men.

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