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Table 2 Distribution of associated factors with osteoporosis in two populations.

From: The assessment of osteoporosis risk factors in Iranian women compared with Indian women

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. 1 = Variables are dichotomous. 2 = Non significant. OR2 = Adjusted for age. OR3 = Adjusted for age, height