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Table 3 Effect of behavior change on BMD change

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]

Femoral Neck BMD change (% p.a.) Univariate β (95% CI) Multivariate βa (95% CI)
Commenced calcium supplements +1.37 (+0.54, +2.2) +1.33 (+0.49, +2.17)
Calcium intake change (per 100 mg) -0.03 (-0.07, +0.02) -0.03 (-0.08, +0.01)
Persistent smoking cessation +0.21 (-0.9, +1.34) -0.04 (-1.16, +1.08)
Persistent self-reported physical activity change +0.77 (+0.28, +1.3) +0.72 (+0.22, +1.22)
Persistent increase in strenuous activity +0.21 (-0.35, +0.76) +0.11 (-0.45, +0.67)
Change in work capacity (per W) -0.10 (-0.52, +0.32) -0.06 (-0.48, +0.36)
Change in leg strength (per SD) +0.02 (-0.22, +0.26) +0.02 (-0.22, +0.26)
Lumbar Spine BMD change (% p.a.)
Commenced calcium supplements +0.08 (-0.45, +0.62) +0.18 (-0.37, +0.73)
Calcium intake change (per 100 mg) 0.00 (-0.03, +0.03) -0.01 (-0.04, +0.02)
Persistent smoking cessation +0.21 (-0.50, +0.93) +0.11 (-0.62, +0.85)
Persistent self-reported physical activity change -0.10 (-0.42, +0.21) -0.05 (-0.38, +0.28)
Persistent increase in strenuous activity -0.17 (-0.52, +0.18) -0.16 (-0.53, +0.21)
Change in work capacity (per W) +0.24b (-0.02, +0.51) +0.31 (+0.03, +0.59)
Change in leg strength (per SD) +0.07 (-0.08, +0.23) +0.05 (-0.10, +0.22)
  1. aadjusted for other items in column, age, and difference in weight and height between baseline and 2 years. bp = 0.07