Table 7.
Multivariable linear regression analysis of interaction between time post stroke and perceived stress (PSS-10) on SIS outcomes.
| Unstandardized coefficients | standardized coefficients | T | Adj. p | R2 | F | |||
|---|---|---|---|---|---|---|---|---|
| Beta (95% CI) | SE | Beta | ||||||
| Physical problems | 0.075 | 1.780 | ||||||
| Intercept | 65.02 (55.60, 74.4) | 4.72 | 13.78 | <0.001 | ||||
| PSS-10 | −0.63 (−1.89, 0.64) | 0.63 | −0.17 | −0.99 | 0.33 | |||
| Time | 0.00 (−0.08, 0.08) | 0.04 | 0.01 | 0.06 | 0.96 | |||
| Interaction | −0.00 (−0.01, 0.01) | 0.01 | −0.13 | −0.80 | 0.43 | |||
| Memory and thinking | 0.226 | 6.424 | ||||||
| Intercept | 77.18 (70.33, 84.03) | 3.43 | 22.49 | <0.001 | ||||
| PSS-10 | −1.74 (−2.66, −0.82) | 0.46 | −0.58 | −3.78 | <0.001 | |||
| Time | −0.02 (−0.08, 0.04) | 0.03 | −0.08 | −0.73 | 0.47 | |||
| Interaction | 0.00 (−0.00, 0.01) | 0.00 | 0.16 | 1.04 | 0.30 | |||
| Mood and emotion | 0.344 | 11.542 | ||||||
| Intercept | 76.12 (71.09, 81.15) | 2.52 | 30.21 | <0.001 | ||||
| PSS-10 | −1.25 (−1.92, −0.57) | 0.34 | −0.52 | −3.69 | <0.001 | |||
| Time | 0.02 (−0.03, 0.06) | 0.02 | 0.08 | 0.81 | 0.42 | |||
| Interaction | −0.00 (−0.01, 0.00) | 0.00 | −0.08 | −0.54 | 0.59 | |||
| Communication | 0.203 | 5.592 | ||||||
| Intercept | 85.78 (79.25, 92.30) | 3.27 | 26.25 | <0.001 | ||||
| PSS-10 | −1.23 (−2.10, −0.35) | 0.44 | −0.43 | −2.80 | 0.01 | |||
| Time | −0.05 (−0.10, 0.01) | 0.03 | −0.20 | −1.73 | 0.09 | |||
| Interaction | 0.00 (−0.01, 0.01) | 0.00 | 0.01 | 0.04 | 0.97 | |||
| Activities of daily living | 0.178 | 4.756 | ||||||
| Intercept | 80.45 (73.47, 87.42) | 3.49 | 23.03 | <0.001 | ||||
| PSS-10 | −1.43 (−2.37, −0.49) | 0.47 | −0.48 | −3.05 | <0.01 | |||
| Time | 0.04 (−0.02, 0.10) | 0.03 | 0.15 | 1.27 | 0.21 | |||
| Interaction | 0.01 (−0.00, 0.01) | 0.00 | 0.25 | 1.56 | 0.12 | |||
| Mobility | 0.110 | 2.728 | ||||||
| Intercept | 78.89 (71.70, 86.08) | 3.60 | 21.91 | <0.001 | ||||
| PSS-10 | −1.09 (−2.05, −0.12) | 0.48 | −0.37 | −2.25 | 0.03 | |||
| Time | 0.03 (−0.04, 0.09) | 0.03 | 0.10 | 0.81 | 0.42 | |||
| Interaction | 0.00 (−0.01, 0.01) | 0.00 | 0.13 | 0.77 | 0.45 | |||
| Hand function | 0.053 | 1.232 | ||||||
| Intercept | 63.44 (50.48, 76.41) | 6.49 | 9.77 | <0.001 | ||||
| PSS-10 | −0.53 (−2.27, 1.21) | 0.87 | −0.10 | −0.61 | 0.55 | |||
| Time | −0.02 (−0.13, 0.10) | 0.06 | −0.04 | −0.28 | 0.78 | |||
| Interaction | −0.01 (−0.02, 0.01) | 0.01 | −0.15 | −0.86 | 0.39 | |||
| Participation/role function | 0.219 | 6.162 | ||||||
| Intercept | 67.30 (59.56, 75.04) | 3.88 | 17.36 | <0.001 | ||||
| PSS-10 | −1.61 (−2.65, −0.57) | 0.52 | −0.47 | −3.09 | <0.01 | |||
| Time | 0.01 (−0.05, 0.08) | 0.03 | 0.04 | 0.38 | 0.71 | |||
| Interaction | 0.00 (−0.01, 0.01) | 0.00 | 0.02 | 0.14 | 0.89 | |||
| Overall perception of recovery | 0.162 | 4.260 | ||||||
| Intercept | 71.75 (65.45, 78.05) | 3.15 | 22.75 | <0.001 | ||||
| PSS-10 | −1.11(−1.96, −0.27) | 0.42 | −0.42 | −2.63 | 0.01 | |||
| Time | −0.01 (−0.07, 0.04) | 0.03 | −0.06 | −0.49 | 0.62 | |||
| Interaction | 0.00 (−0.01, 0.01) | 0.00 | 0.02 | 0.12 | 0.91 | |||
Independent variable (PSS-10) is mean-centered.
PSS, Perceived Stress Scale-10; Time, time post-stroke.