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Table 4 Odds ratios and % mediation for selected HUI3 attributes in the chronic condition subsamples

From: Physical activity as a mediator of the impact of chronic conditions on quality of life in older adults

 

HUI3 attributes (dependent variables)

Independent variables

Dexterity

OR (95% CI)

Emotional wellbeing

OR (95% CI)

Cognition

OR (95% CI)

Pain

OR (95% CI)

Mobility

OR (95% CI)

Musculoskeletal disorders versus no chronic condition (n = 14,112)1

11.0 (4.3 – 28.5)

4.7 (2.9 – 7.6)

2.2 (2.0 – 2.5)

12.0 (9.0 – 16.1)

6.6 (4.8 – 9.0)

Physical activity < 1,000 Kcal/week2

1.5 (1.0 – 2.3)

2.3 (1.6 – 3.3)

1.1 (1.0 – 1.3)

1.4 (1.2 – 1.7)

3.7 (3.0 – 4.5)

   % mediation3

5%

13%*

4%

4%*

16%*

Respiratory disorders versus no chronic condition (n = 5,361)1

10.4 (3.7 – 28.9)

5.0 (3.0 – 8.1)

2.2 (1.8 – 2.6)

10.7 (8.0 – 14.5)

7.6 (5.4 – 10.7)

Physical activity < 1,000 Kcal/week2

0.8 (0.4 – 1.5)

2.0 (0.9 – 4.5)

1.2 (1.0 – 1.5)

1.4 (1.0 – 1.8)

3.9 (2.5 – 6.0)

   % mediation3

0%

20%

13%

7%

27%*

Cardiovascular disorders versus no chronic condition (n = 13,380)1

7.8 (3.0 – 20.0)

4.0 (2.5 – 6.4)

1.9 (1.7 – 2.2)

7.2 (5.4 – 9.5)

5.6 (4.1 – 7.7)

Physical activity < 1,000 Kcal/week2

1.4 (0.9 – 2.2)

2.1 (1.4 – 3.2)

1.2 (1.0 – 1.3)

1.6 (1.3 – 1.9)

3.3 (2.6 – 4.1)

   % mediation3

5%

16%*

7%

8%*

19%*

Diabetes versus no chronic condition (n = 5,393)1

10.6 (4.3 – 26.5)

5.0 (3.0 – 8.5)

1.9 (1.6 – 2.3)

7.1 (5.2 – 9.7)

6.6 (4.8 – 9.2)

Physical activity < 1,000 Kcal/week2

1.2 (0.5 – 3.1)

1.9 (0.8 – 4.1)

1.2 (1.0 – 1.5)

1.7 (1.3 – 2.3)

3.5 (2.3 – 5.3)

   % mediation3

3%

13%

10%

10%*

21%*

"Suffering the effects of a stroke" versus no chronic condition (n = 3,533)1

24.9 (7.9 – 78.1)

9.4 (5.1 – 17.5)

3.4 (2.7 – 4.3)

12.4 (8.7 – 17.7)

18.2 (12.7 – 26.1)

Physical activity < 1,000 Kcal/week2

0.6 (0.2 – 2.4)

1.2 (0.4 – 3.6)

1.0 (0.8 – 1.4)

1.3 (0.8 – 2.0)

2.6 (1.5 – 4.6)

   % mediation3

0%

5%

3%

7%

20%*

Urinary or bowel disorders versus no chronic condition (n = 5,038)1

15.3 (5.8 – 40.5)

7.7 (4.5 – 13.1)

3.1 (2.6 – 3.8)

14.4 (10.5 – 19.7)

9.9 (7.1 – 13.9)

Physical activity < 1,000 Kcal/week2

1.0 (0.6 – 1.8)

1.2 (0.7 – 2.1)

1.1 (0.9 – 1.4)

2.0 (1.5 – 2.7)

2.9 (2.0 – 4.2)

   % mediation3

0%

4%

6%

12%*

20%*

  1. All odds ratios are adjusted for age, sex, cigarette use, alcohol consumption, and obesity. The reference groups for the HUI3 attributes are the same as in Table 2.
  2. 1 Referent = no chronic condition.
  3. 2 Referent = ≥ 1,000 Kcal/week.
  4. 3 Percentage of the total effect that is attributable to the mediating effect of physical activity.
  5. * Statistically significant indirect effects (p < 0.01).