Skip to main content
. 2012 Jun 13;7(6):e39133. doi: 10.1371/journal.pone.0039133

Table 2. Bone and body composition values at baseline, 8 months, and 44 months (mean ± SD) for controls and intervention subjects based on intention-to-treat analysis (n = 99).

Parameter Controls Intervention p-value
(n = 52) (n = 47)
FN BMC at baseline (g) 4.08±0.49 4.07±0.72 0.94
FN BMC at 8 months (g) 4.19±0.52 4.37±0.96* 0.22
FN BMC at 44 months (g) 4.30±0.77* 4.48±0.96* 0.29
LS BMC at baseline (g) 34.3±5.7 34.6±7.2 0.82
LS BMC at 8 months (g) 35.9±6.5* 37.3±7.7* 0.32
LS BMC at 44 months (g) 38.9±10.4* 40.1±9.1* 0.54
WB BMC at baseline (g) 2161±253 2183±373 0.73
WB BMC at 8 months (g) 2212±254* 2300±387* 0.19
WB BMC at 44 months (g) 2319±385* 2397±393* 0.33
Calcaneal BUA at baseline (dB/MHz) 80.2±15.3 77.8±10.8 0.38
Calcaneal BUA at 8 months (dB/MHz) 81.1±14.6 80.3±10.3* 0.76
Calcaneal BUA at 44 months (dB/MHz) 80.9±18.6 81.0±11.2* 0.96
Lean mass at baseline (g) 31993±4220 34699±7111 0.02
Lean mass at 8 months (g) 32974±5148* 36993±7591* 0.01
Lean mass at 44 months (g) 36077±8869* 39171±8362* 0.08
Body mass index at baseline (kg/m2) 20.0±3.5 20.0±3.5 0.98
Body mass index at 8 months (kg/m2) 20.4±3.3* 20.5±3.3* 0.90
Body mass index at 44 months (kg/m2) 21.1±4.0* 20.7±3.3 0.65
Fat mass at baseline (g) 17245±4984 17763±7163 0.68
Fat mass at 8 months (g) 17220±5337 17332±7234 0.93
Fat mass at 44 months (g) 18410±6137* 17919±7549 0.72
Percent fat mass at baseline 25.5±5.3 25.0±7.3 0.74
Percent fat mass at 8 months (g) 24.9±5.9 23.5±7.7* 0.32
Percent fat mass at 44 months (g) 25.0±5.7 23.3±8.0* 0.21

Key: BUA, broadband ultrasound attenuation; FN BMC, femoral neck bone mineral content; LS BMC, lumbar spine bone mineral content; WB BMC, whole body bone mineral content.

*

represents significant difference with baseline measure.