Table 2.
Descriptives and preliminary estimates of effect size for potential primary outcomes
| Outcome measure | Baseline, n=56 | Mean difference (95% CI) |
Post, n=47 | Standardised effect size (Cohen’s d)* |
| Warwick-Edinburgh Mental Well-being Scale (potential range 14–70, higher scores greater well-being) | ||||
| UC mean (SD) n | 49.1 (10.29) 26 | 48.0 (8.20) 22 | ||
| HoS mean (SD) n | 48.4 (9.18) 29 | 48.4 (10.28) 25 | ||
| Mean difference (95% CI) in change from baseline (unadjusted) | 2.25 (−2.83 to 7.32) | 0.23 | ||
| Mean difference (95% CI) in change from baseline (adjusted for centre and baseline score) | 1.14 (−3.42 to 5.70) | 0.12 | ||
| Hospital Anxiety and Depression Scale-anxiety subscale (potential range 0–21 each subscale, higher scores greater anxiety) | ||||
| UC mean (SD) n | 7.0 (3.83) 27 | 7.0 (4.13) 22 | ||
| HoS mean (SD) n | 7.3 (4.21) 29 | 6.3 (3.74) 25 | ||
| Mean difference (95% CI) in change from baseline (unadjusted) | −0.47 (−2.48 to 1.54) | −0.12 | ||
| Mean difference (95% CI) in change from baseline (adjusted for centre and baseline score) | −0.55 (−2.39 to 1.28) | −0.14 | ||
| Hospital Anxiety and Depression Scale-depression subscale (potential range 0–21 each subscale, higher scores greater depression) | ||||
| UC mean (SD) n | 5.0 (2.74) 27 | 6.1 (3.33) 22 | ||
| HoS mean (SD) n | 6.1 (3.75) 29 | 6.0 (4.18) 25 | ||
| Mean difference (95% CI) in change from baseline (unadjusted) | −1.82 (−3.42 to −0.22) | −0.56 | ||
| Mean difference (95% CI) in change from baseline (adjusted for centre and baseline score) | −1.46 (−3.12 to 0.21) | −0.45 | ||
| ICECAP-A tariff (potential range 0–1, higher scores greater capability) | ||||
| UC mean (SD) n | 0.81 (0.14) 26 | 0.78 (0.15) 22 | ||
| HoS mean (SD) n | 0.77 (0.16) 29 | 0.76 (0.22) 25 | ||
| Mean difference (95% CI) in change from baseline (unadjusted) | 0.05 (−0.03 to 0.13) | 0.33 | ||
| Mean difference (95% CI) in change from baseline (adjusted for centre and baseline score) | 0.04 (−0.05 to 0.12) | 0.26 | ||
Where high scores indicate better outcomes, positive effect sizes suggest benefit for the HoS arm.
Where low scores indicate better outcomes, negative effect sizes suggest benefit for the HoS arm.
*Effect sizes based on complete cases.
HoS, HeART of Stroke; ICECAP-A, ICEpop CAPability measure for adults; UC, usual care.