Table 2.
Percent physical activity sessions completed |
Mean duration of physical activity sessions |
Mean intensity of physical activity sessionsa |
|
---|---|---|---|
Anthropometric outcomes | |||
Body weight | −.301 | −.386 | −.089 |
BMI | −.293 | −.307 | .246 |
DXA-measured outcomes | |||
Bone mineral density | .022 | −.131 | .240 |
Bone mineral content | −.325 | −.100 | −.021 |
Total fat (g) | −.309 | −.404 | .293 |
Total percent fat | −.067 | −.441 | .300 |
Trunk fat (g) | −.247 | −.343 | .443 |
Trunk percent fat | −.039 | −.386 | .409 |
Total lean mass (g) | −.245 | −.204 | −.039 |
pQCT measured outcomes | |||
Muscle density | −.013 | −.054 | −.269 |
Muscle area | −.354 | −.200 | .011 |
Cortical density | −.063 | .450 | −.154 |
Marrow density | .381 | .057 | −.136 |
All correlations are Spearman. No correlations were statistically significant at the P<.05 level
BMI body mass index, DXA dual-energy X-ray absorptiometry, pQCT peripheral quantitative computed tomography
Mean intensity of physical activity sessions was calculated by percent of estimated maximum heart rate expended at each session