Table 2.
Distribution of associated factors with osteoporosis in two populations.
| Variabels1 | Iran | India | ||||||
| Case (n = 178) | Control (n = 185) | OR2 (0.95 CI) | OR3 (0.95 CI) | Case (n = 203) | Control (n = 151) | OR2 (0.95 CI) | OR3 (0.95 CI) | |
| Education | ||||||||
| Subjects (n) | 163 | 164 | ---- | ---- | 178 | 124 | ---- | ----- |
| <12 yrs schooling (%) | 66.3 | 39.0 | 2.1 (1.7–4.3) | 3.0 (1.8–5.1) | 40.4 | 19.4 | 2.7 (1.5–4.8) | 1.8 (0.8–4.0) |
| Anthropometric charcters (%) | ||||||||
| Weight <= 60 Kg (%) | 37.0 | 12.9 | 3.9 (2.3–6.7) | ---- | 54.9 | 20.0 | 4.8 (2.7–8.4) | ----- |
| Height <= 155 Cm (%) | 46.8 | 40.3 | 1.2 (0.8–1.8) | ---- | 66.7 | 31.9 | 4.0 (2.3–7.2) | ---- |
| BMI <= 26 (%) | 39.4 | 15.3 | 3.9 (2.3–6.7) | ---- | 46.2 | 19.8 | 3.6 (1.9–6.6) | ---- |
| Menopausal factors | ||||||||
| Subjects (n) | 162 | 183 | ---- | ---- | 159 | 105 | ---- | ---- |
| Menopausal age before 45 yrs (%) | 35.8 | 27.9 | 1.1 (1.04–1.1) | 1.8 (1.0–3.0) | 30.2 | 23.6 | 2.0 (1.2–3.5) | 2.6 (1.2–5.9) |
| Subjects (n) | 158 | 181 | ---- | ---- | 160 | 105 | ---- | ---- |
| Postmenopausal >5 yrs (%) | 75.3 | 52.5 | 2.2 (1.3–3.7) | 2.3 (1.3–4.0) | 73.5 | 58.5 | 1.4 (0.7–2.7) | 1.4 (0.6–3.2) |
| Subjects (n) | 149 | 143 | ---- | ---- | 79 | 64 | ---- | ---- |
| Menarche after 14 yrs (%) | 52.3 | 36.4 | 1.9 (1.1–1.3) | 1.6 (0.9–2.6) | 46.5 | 34.5 | 1.6 (0.8–3.4) | 1.4 (0.5–3.9) |
| Subjects (n) | 171 | 178 | ---- | ---- | 190 | 141 | ---- | ---- |
| Parity >= 4 (%) | 49.1 | 63.5 | 1.1 (1.0–1.1) | 2.0 (1.2–3.3) | 20.5 | 12.1 | 1.0 (1.04–1.1) | 1.2 (0.5–2.6) |
| Medication | ||||||||
| Subjects (n) | 178 | 179 | ---- | ---- | 183 | 138 | ---- | ---- |
| Steroid usage (%) | 19.1 | 7.3 | 3.3 (1.6–6.6) | 3.3 (1.6–6.6) | 5.5 | 1.4 | 4.3 (0.9–20.4) | NS2 |
| Calcium supplementation>1 yr (%) | 39.9 | 50.3 | 0.6 (0.4–0.9) | 0.7 (0.4–1.0) | 47.1 | 77.8 | 0.4 ((0.1–0.9) | 0.2 (0.1–0.8) |
| HRT (%) | 27.1 | 46.4 | 0.5 (0.3–0.7) | 0.5 (0.3–0.7) | 10.6 | 12.1 | 0.9 (0.4–1.8) | 0.8 (0.3–2.4) |
| Other (%) | ||||||||
| Bone and join problem | 29.4 | 15.1 | 2.3 (1.4–4.0) | 2.5 (1.3–4.4) | 35.7 | 20.7 | 2.2 (1.63–3.7) | 1.8 (1.0–3.6) |
| History of fracture | 20.1 | 8.5 | 2.6 (1.4–5.2) | 3.3 (1.6–6.9) | 20.7 | 7.1 | 3.2 (1.4–7.5) | 3.8 (1.2–11.9) |
1 = Variables are dichotomous. 2 = Non significant. OR2 = Adjusted for age. OR3 = Adjusted for age, height