Table 3.
Variablea | N 413b | % | Bivariate OR (IC 95%) | p value | Multivariate OR (IC 95%) | p value |
---|---|---|---|---|---|---|
Maternal history of fractures | ||||||
No | 39/403 | 9.7 | 1 | 1 | ||
Yes | 1/10 | 10.0 | 1.04 (0.02–7.84) | 0.97 | 1.37 (0.15–12.64) | 0.77 |
History of fracture | ||||||
No | 32/358 | 8.9 | 1 | 1 | ||
Yes | 8/55 | 14.5 | 1.73 (0.69–4.23) | 0.28 | 1.57 (0.612–4.03) | 0.34 |
Body mass index | ||||||
Underweight | 0/5 | 0 | ||||
Normal | 12/113 | 10.6 | 1 | 1 | ||
Overweight | 19/204 | 9.3 | 0.86 (0.38–1.98) | 0.85 | 1.09 (0.47–2.50) | 0.82 |
Obese | 9/91 | 9.9 | 0.92 (0.34–2.50) | 0.95 | 1.65 (0.59–4.58) | 0.33 |
Height loss | ||||||
No | 11/198 | 5.6 | 1 | 1 | ||
Yes | 26/175 | 14.9 | 2.97 (1.35–6.63) | 0.068 | 2.08 (0.94–4.61) | 0.06 |
Calcium dietary | ||||||
<800 mgs | 34/339 | 10.0 | 1 | 1 | ||
≥800 mgs | 6/74 | 8.1 | 1.26 (0.48–3.50) | 0.77 | 0.66 (0.25–1.74) | 0.40 |
Smoking | ||||||
Never | 12/152 | 7.9 | 1 | 1 | ||
Ever | 19/167 | 11.4 | 1.50 (0.66–3.42) | 0.37 | 1.45 (0.64–3.29) | 0.37 |
Current | 9/94 | 9.6 | 1.24 (0.46–3.13) | 0.37 | 1.56 (0.58–4.21) | 0.37 |
Alcohol intake gr/d | ||||||
Never | 23/190 | 12.1 | 1 | 1 | ||
1–10 | 16/202 | 7.9 | 0.67 (0.30–1.28) | 0.44 | 0.74 (0.35–1.58) | 0.40 |
11–40 | 0/2 | 0 | ||||
>40 | 1/19 | 5.3 | 0.40 (0.01–2.82) | 0.48 | 0.46 (0.05–3.89) | 0.48 |
Physical activity | ||||||
0–29 min/day | 16/117 | 13.7 | 1 | 1 | ||
≥30 min/day | 13/199 | 6.5 | 0.49 (0.21–1.20) | 0.19 | 0.56 (0.24–1.32) | 0.19 |
aMultivariable analysis adjusted by age
bNumber of positive observations/total observations for each factor