Parameter estimates for the reduced model of the influence of FEV1, BMI, and precipitins on BMD standard deviation score
| B | SE | T | p Value | 95% CI | |
|---|---|---|---|---|---|
| Intercept | −4.897 | 0.586 | −8.349 | < 0.001 | −6.057 to −3.736 |
| FEV1 | 0.018 | 0.004 | 3.974 | < 0.001 | 0.009 to 0.027 |
| BMI | 0.130 | 0.031 | 4.157 | < 0.001 | 0.068 to 0.192 |
| Precipitins | |||||
| 0 | 1.572 | 0.291 | 5.394 | < 0.001 | 0.995 to 2.149 |
| 1–10 | 0.924 | 0.270 | 3.421 | 0.001 | 0.389 to 1.458 |
| 11–20 | 0.153 | 0.300 | 0.510 | 0.611 | −0.441 to 0.747 |
| 21–30 | −0.310 | 0.257 | −1.204 | 0.231 | −0.819 to 0.199 |
| 31–64 | 0 | – | – | – | – |
BMD, bone mineral density, BMI, body mass index; CI, confidence interval; FEV1, forced expiratory volume in one second expressed as a percentage of that predicted.