Demographic data for patients with obstructive airways disease or alveolitis taking oral corticosteroids and control subjects
| n | Corticosteroid patients | n | Control subjects | p value | |
| Women | |||||
| Age (years) | 177 | 68.2 (9.5) | 354 | 68.3 (9.5) | |
| Body mass index (kg/m2) | 171 | 26.5 (6.9) | 335 | 25.6 (4.0) | NS |
| Age at menopause | 167 | 47.0 (4.9) | 292 | 48.2 (4.3) | 0.01 |
| HRT (number of years) | 36 | 2.7 (3.0) | 82 | 4.2 (3.9) | NS |
| Smoking (pack/years) | 112 | 20 (0.05–114)* | 179 | 14 (0.01–104)* | 0.003 |
| Calcium from dairy produce (mg) | 172 | 631 (25–1198)* | 354 | 626 (9–1295)* | NS |
| Bisphosphonate/calcitonin | 20 | 4 | <0.001 | ||
| Calcium supplement | 25 | 21 | 0.01 | ||
| Men | |||||
| Age (years) | 190 | 69.6 (9.1) | 380 | 69.8 (9.1) | |
| Body mass index (kg/m2) | 181 | 25.6 (6.0) | 364 | 26.0 (3.5) | NS |
| Smoking (pack/years) | 164 | 29.9 (0.2–150)* | 293 | 20 (0.1–255)* | 0.009 |
| Calcium from dairy produce (mg) | 183 | 614 (25–1070)* | 380 | 626 (9–1241)* | NS |
| Bisphosphonate/calcitonin | 4 | 1 | 0.12 | ||
| Calcium supplement | 13 | 6 | 0.005 |
Values are mean (SD) or *median (range).
HRT = hormone replacement therapy.
All p values obtained by conditional logistic regression.