Table 6

Predictors of 12-month changes in health-related quality of life (measured by SF-36)

12-month changes in HRQOL


Physical functioning

Role-physical

Vitality

Mental health


β

P

β

P

β

P

β

P

Change in weight

-0.50

< 0.001

-0.67

0.001

-0.74

< 0.001

-0.15

0.04

Change in aerobic fitness

4.67

0.01

3.65

0.37

0.93

0.65

-0.15

0.91


Change in depression

-0.12

0.10

-0.50

0.001

-0.42

< 0.001

-0.43

< 0.001

Change in perceived stress

-0.58

0.02

-0.66

0.24

-0.79

0.004

-1.28

< 0.001

Change in social support

0.17

< 0.001

0.24

0.01

0.08

0.07

0.04

0.18


The regression models were adjusted for group assignment, baseline health-related quality of life (HRQOL) scores, and covariates (Physical functioning: baseline BMI, medication use, Role-physical: age, baseline BMI, Vitality: age, medication use, Mental health: medication use)

Imayama et al. International Journal of Behavioral Nutrition and Physical Activity 2011 8:118   doi:10.1186/1479-5868-8-118

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