Table 5.
Reg. coeff. with 95% CI and stand. coeff. (β) for simple and multiplea linear associations between change in physical activity as the independent variable and change in quality of life outcomes as the dependent variable.
| Change in PCSb | Change in MCSb | Change in OPc | Change in life satisfactiond | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reg. coeff. (95% CI) | β | P | Reg. coeff. (95% CI) | β | P | Reg. coeff. (95% CI) | β | P | Reg. coeff. (95% CI) | β | P | |
| Gender: male | ||||||||||||
| Crude | 0.31 (−2.66, 3.26) | .02 | .838 | 2.10 (−2.63, 6.84) | .09 | .380 | −0.68 (−9.28, 7.93) | −.02 | .876 | −0.13 (−0.76, 0.51) | −.04 | .691 |
| Adj. | −0.65 (−3.39, 1.96) | −.05 | .635 | 1.77 (−2.81, 6.73) | .07 | .472 | −1.40 (−11.89, 8.32) | −.03 | .783 | −0.22 (−0.97, 0.49) | −.07 | .530 |
| Age | ||||||||||||
| Crude | 0.09 (−0.04, 0.23) | .13 | .179 | 0.05 (−0.17, 0.27) | .04 | .658 | −0.18 (−0.58, 0.22) | −.09 | .375 | 0.01 (−0.02, 0.04) | .06 | .555 |
| Adj. | 0.04 (−0.13, 0.20) | .06 | .650 | 0.08 (−0.18, 0.34) | .07 | .537 | −0.21 (−0.71, 0.24) | −.10 | .363 | 0.003 (−0.027, 0.031) | .02 | .852 |
| Change of BMI | ||||||||||||
| Crude | −0.92 (−1.56, −0.29) | −.28 | .005 | −1.36 (−2.41, −0.32) | −.26 | .011 | 1.82 (−0.09, 3.73) | .19 | .061 | −0.18 (−0.31, −0.04) | −.26 | .011 |
| Adj. | −0.34 (−1.32, 0.38) | −.11 | .434 | −0.03 (−1.44, 1.33) | −.01 | .960 | −0.24 (−3.03, 2.80) | −.03 | .850 | −.003 (−0.181, 0.142) | −.01 | .974 |
| Change of physical activitye | ||||||||||||
| Crude | 0.011 (0.005, 0.017) | .39 | <.001 | 0.028 (0.017, 0.039) | .50 | <.001 | −0.027 (−0.048, −0.007) | −.29 | .011 | 0.003 (0.001, 0.004) | .39 | .001 |
| Adj. | 0.010 (0.001, 0.019) | .35 | .033 | 0.028 (0.014, 0.044) | .51 | .001 | −0.029 (−0.058, −0.008) | −.31 | .018 | 0.003 (0.001, 0.004) | .39 | .004 |
| Adj. R2 | 0.13 | 0.22 | 0.04 | 0.11 | ||||||||
aAll variables in the first column.
bPhysical component summary (PCS) and mental component summary (MCS) of the Medical Outcomes Study Short-Form 36 Health Survey (SF-36). Continuous scales. Higher scores represent better quality of life.
cObesity-Related Problems scale. Continuous scale. Higher scores represent more obesity-related problems.
dContinuous scale. Higher scores represent better life satisfaction.
eAccelerometer assessed.
Regression coefficients: reg. coeff.; confidence interval: CI; standardized coefficients: stand. coeff.; adjusted: adj.; body mass index: BMI.
Number of observations: change in PCS, 73; change in MCS, 73; change in OP, 72; change in life satisfaction, 71.
Significant P values (≤.05) in bold.