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Table 1 Comparison of baseline characteristics of each intervention group.

From: The effect on behavior and bone mineral density of individualized bone mineral density feedback and educational interventions in premenopausal women: a randomized controlled trial [NCT00273260]

  T-score 0 and leaflet (n = 128)a T-score 0 and OPSMC (n = 108) T-score<0 and leaflet (n = 119) T-score<0 and OPSMC (n = 112)
Age (years) 37.9 (5.3) 37.4 (5.8) 38.4 (5.0) 37.4 (5.3)
Height (cm) 164.2 (6.4) 164.2 (5.6) 162.7 (6.5) 161.5 (6.5)
Weight (kg) 73.9 (15.2) 75.3 (13.6) 65.4 (10.0) 63.5 (10.8)
BMI (kg/m2) 27.5 (5.7) 27.9 (4.4) 24.8 (4.1) 24.4 (4.0)
Femoral Neck BMD (g/cm2) 1.01 (0.09) 1.03 (0.11) 0.83 (0.08) 0.84 (0.12)
Lumbar Spine BMD (g/cm2) 1.16 (0.09) 1.18 (0.10) 0.99 (0.07) 0.99 (0.08)
Calcium Intake (mg/day) 805 (429) 795 (406) 753 (368) 803 (389)
Calcium Supplement Use, % 1 0 3 4
Work Capacity (W)a 2.3 (0.7) 2.3 (0.7) 2.3 (0.7) 2.3 (0.6)
Average Leg Strength (kg)b 1.3 (0.4) 1.3 (0.4) 1.4 (0.4) 1.4 (0.4)
Median Strenuous Activity Level 3 3 3 3
Currently smoking, % 20 16 18 13
  1. a mean (SD) unless otherwise stated
  2. b per kg body weight