Table 2.
Primary and secondary clinical outcomes: within and between group differences at 24 months*. Values are mean (SD) unless stated otherwise
| Self management (SM) (n=55) | Routine monitoring (RM) (n=55) | Usual care (UC) (n=55) | Treatment difference at 24 months | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | Change at 24 months (95% CI) | Baseline | Change at 24 months (95% CI) | Baseline | Change at 24 months (95% CI) | SM v UC | RM v UC | ||||
| Primary outcome | |||||||||||
| CRQ total | 5.11 (0.94) | −0.10 (−0.28 to 0.084) | 5.10 (0.77) | 0.28 (0.088 to 0.47) | 5.26 (0.81) | 0.12 (−0.042 to 0.42) | −0.22 (−0.49 to 0.042) | 0.16 (−0.11 to 0.42) | |||
| Secondary outcomes | |||||||||||
| CRQ emotions | 5.13 (1.02) | 0.0026 (−0.24 to 0.24) | 5.18 (0.91) | 0.34 (0.088 to 0.59) | 5.2 (1.08) | 0.31 (0.062 to 0.56) | −0.31 (−0.66 to 0.039) | 0.027 (−0.33 to 0.38) | |||
| CRQ mastery | 4.75 (0.89) | −0.13 (−0.37 to 0.10) | 4.85 (0.77) | −0.017 (−0.26 to 0.23) | 4.91 (0.65) | 0.071 (−0.17 to 0.32) | −0.20 (−0.55 to 0.14) | −0.088 (−0.44 to 0.26) | |||
| CRQ fatigue | 4.79 (1.34) | −0.18 (−0.49 to 0.13) | 4.75 (1.18) | 0.34 (0.019 to 0.65) | 5.04 (1.18) | −0.007 (−0.32 to 0.31) | −0.17 (−0.62 to 0.27) | 0.34 (−0.11 to 0.79) | |||
| CRQ dyspnoea | 5.68 (1.21) | −0.16 (−0.42 to 0.11) | 5.47 (1.29) | 0.40 (0.13 to 0.67) | 5.82 (1.08) | 0.063 (−0.26 to 0.28) | −0.16 (−0.54 to 0.21) | 0.40 (0.014 to 0.78)† | |||
| CSES total | 3.53 (1.0) | −0.15 (−0.47 to 0.18) | 3.67 (0.86) | −0.12 (−0.45 to 0.20) | 3.6 (0.92) | 0.025 (−0.31 to 0.36) | −0.17 (−0.64 to 0.30) | −0.15 (−0.62 to 0.32) | |||
| CSES negative affect | 3.6 (0.92) | −0.27 (−0.57 to 0.025) | 3.51 (1.42) | −0.091 (−0.39 to 0.20) | 3.55 (0.84) | −0.22 (−0.53 to 0.09) | −0.053 (−0.48 to 0.38) | 0.13 (−0.30 to 0.56) | |||
| CSES emotional arousal | 3.67 (0.86) | −0.24 (−0.56 to 0.067) | 3.75 (0.8) | −0.24 (−0.55 to 0.07) | 3.69 (0.82) | −0.15 (−0.47 to 0.17) | −0.094 (−0.54 to 0.36) | −0.091 (−0.54 to 0.36) | |||
| CSES physical exertion | 3.01 (1.11) | −0.053 (−0.36 to 0.26) | 3.03 (1.01) | 0.16 (−0.15 to 0.47) | 2.93 (0.84) | 0.12 (−0.20 to 0.45) | −0.17 (−0.62 to 0.27) | 0.038 (−0.41 to 0.48) | |||
| CSES weather/ environment | 3.26 (1.0) | −0.18 (−0.49 to 0.12) | 3.36 (0.79) | −0.079 (−0.39 to 0.23) | 3.26 (0.9) | 0.13 (−0.19 to 0.45) | −0.32 (−0.76 to 0.13) | −0.21 (−0.65 to 0.23) | |||
| CSES behavioural risk factors | 3.34 (1.02) | −0.17 (−0.49 to 0.15) | 3.35 (0.91) | 0.019 (−0.30 to 0.34) | 3.47 (0.92) | −0.084 ( −0.42 to 0.25) | −0.086 (−0.55 to 0.38) | 0.10 (−0.36 to 0.57) | |||
CRQ=chronic respiratory questionnaire; CSES=COPD self-efficacy scale.
*Generalised estimating equations analysis with compound symmetry structure and covariates of sex, age, educational level, long acting bronchodilator use, and inhaled corticosteroid use, and including data at all time points.
†P=0.042.