Dropouts and Compliance in Exercise Interventions Targeting Bone Mineral Density in Adults: A Meta-Analysis of Randomized Controlled Trials
Table 3
Meta regression results for dropouts and compliance.
Variable
No. ES/P
SE
()
Dropouts (exercise)
—
Age (years)
51/1855
−0.003 0.007
−4.7 (<0.001)*
Study Length (wks)
51/1855
0.009 0.005
1.6 (0.11)
Year published
51/1855
−0.02 0.02
−0.86 (0.39)
Dropouts (control)
Age (years)
39/1442
−0.03 0.009
−3.5 (0.0005)*
Study length (wks)
39/1442
0.01 0.007
2.0 (0.05)
*
Year published
39/1442
−0.04 0.03
−1.5 (0.12)
Compliance
Age (years)
31/1317
0.007 0.007
.96 (0.34)
Study length (wks)
31/1317
−0.01 0.004
−3.5 (0.0004)*
Year published
31/1317
−0.004 0.02
−.21 (0.83)
No. ES/P: number of effect sizes and participants nested within ESs; SE: slope standard error; (): -score and alpha value; *statistically significant ( 0.05); **trend for statistical significance (>.05 to .10).
