Table 3.
Interactions of comorbidity with physical activity and diet quality on disability among stroke patients (n = 951).
| Interactions | WHODAS II | WHODAS II | ||
|---|---|---|---|---|
| B (95%CI) * | p | B (95%CI) ** | p | |
| CCI and MET | ||||
| Non-CCI × MET (tertile 1) | Reference | Reference | ||
| CCI × MET (tertile 1) | 10.70 (7.93, 13.47) | <0.001 | 10.67 (7.96, 13.37) | <0.001 |
| Non-CCI × MET (tertile 2) | −2.74 (−5.59, 0.11) | 0.059 | −2.50 (−5.31, 0.32) | 0.082 |
| Non-CCI × MET (tertile 3) | −6.23 (−9.08, −3.39) | <0.001 | −4.56 (−7.40, −1.72) | 0.002 |
| CCI × MET (tertile 2) | −5.47 (−9.37, −1.58) | 0.006 | −4.65 (−8.44, −0.85) | 0.016 |
| CCI × MET (tertile 3) | −5.39 (−9.27, −1.50) | 0.007 | −5.48 (−9.27, −1.70) | 0.005 |
| CCI and DASH-Q | ||||
| Non-CCI × DASH-Q (lowest score) | ||||
| CCI × DASH-Q (lowest score) | 18.62 (14.36, 22.88) | <0.001 | 17.12 (12.98, 21.45) | <0.001 |
| Non-CCI × DASH-Q (1-point increment) | −0.03 (−0.13, 0.07) | 0.523 | −0.01 (−0.09, 0.09) | 0.990 |
| CCI × DASH-Q (1-point increment) | −0.37 (−0.51, −0.24) | <0.001 | −0.32 (−0.45, −0.19) | <0.001 |
Abbreviations: WHODAS II, World Health Organization Disability Assessment Schedule II; CCI, Charlson Comorbidity Index; MET, metabolic equivalent task scored in minutes per week; DASH-Q, Dietary Approaches to Stop Hypertension Quality.* Results of bivariate linear regression analysis.** Results of multivariate linear regression analysis adjusted for age, gender, marital status, education, occupation, smoking status, and health literacy.