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Table 2 Description of the study population at baseline (1992–1994) discrete variables (n = 759)

From: Timing and risk factors for clinical fractures among postmenopausal women: a 5-year prospective study

Variable Risk factor present Percentage
Osteoporosis (T < -2.5) 155 20.4
Osteopenia (-2.5 ≥ T < -1.0)) 306 40.3
Normal BMD (T ≥ -1.0) 298 39.3
Fracture history after menopause 130 17.1
Use of birth control pill >5 years 132 17.4
Use of hormones >5 years 48 6.3
Ovariectomy 116 15.3
Hysterectomy 287 37.8
Menopause before the age of 45 255 33.6
Perimenopausal complaints 226 29.8
Family history of osteoporosis 96 12.6
Coffee intake ≥ 5 per day 379 49.9
Alcohol intake ≥ 5 per week 109 14.4
Smoking (past) 157 20.7
Smoking (present) 200 26.4
Sports (present) 469 61.8
Sports (past) 455 59.9
Occupational exercise in the past   
   Mild 122 16.1
   Moderate 610 80.4
   High 24 3.2
  1. BMD = bone mineral density