Journal of Osteoporosis / 2011 / Article / Tab 1

Research Article

A Randomized Controlled Trial of Whole Body Vibration Exposure on Markers of Bone Turnover in Postmenopausal Women

Table 1

Demographics and health status.

VariableWhole cohort ( )Sham ( )1×/wk ( )3×/wk ( )

Age (yrs)59.8 ± 6.259.8 ± 5.260.9 ± 6.558.9 ± 7.1
Height (cm)160.2 ± 5.8156.9 ± 4.9162.5 ± 4.6161.6 ± 6.2
Body weight (kg)62.80
(51.7–96.7)
62.15
(54.10–71.20)
64.67
(57.20–96.77)
62.88
(51.70–78.57)
Body mass index (kg/m2)§24.38
(20.76–37.33)
25.22
(23.191–27.79)
24.64
(20.76–37.33)
23.62
(21.09–32.70)
History of smoking (%)32.628.631.337.5
Number of medications/day3.3 ± 2.63.2 ± 3.23.8 ± 3.32.5 ± 3.5
Vitamin D prescription (%)17.412.514.325.0
Calcium prescription (%)43.550.028.650.0
Bisphosphonate prescription (%)13.06.314.318.8
HRT prescription (%)8.70.014.312.5
Years since menopause7.25
(2.00–37.00)
9.75
(2.00–30.00)
6.25
(3.50–37.00)
6.50
(2.50–31.00)
Participation in regular structured exercise (%)71.768.871.475.0
History of osteoporosis, osteopenia, or osteoporotic fracture30.418.828.643.8

All data presented as mean ± SD for normally distributed data or median (range) for nonnormally distributed data unless otherwise specified.
§Body mass index: an indicator of body fat calculated by weight (kg)/Height (m)2. Normal values range from 18.5 to 24.9 kg/m2. Values ≥25 kg/m2 are considered overweight and ≥30 kg/m2 obese.