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Table 9 EQ-5D-5L quality-adjusted life-years (QALYs) and ICECAP-A wellbeing-adjusted life years (WALYs), by trial arm

From: Healthy Parent Carers: feasibility randomised controlled trial of a peer-led group-based health promotion intervention for parent carers of disabled children

Measure: time point

Intervention (I)

Control (C)

Mean difference

Adjusted mean difference*

N

mean (SD) [range]

N

mean (SD)

[range]

(I-C) (unadjusted)

estimate

95% CI

EQ-5D-5L: baseline

44

0.670 (0.244)

[− 0.098 to 1]

44

0.723 (0.203)

[− 0.239 to 1]

   

EQ-5D: 14 weeks

45

0.659 (0.269)

[− 0.225 to 1]

38

0.742 (0.166)

[0.238 to 1]

− 0.083

− 0.099

− 0.203 to 0.006

EQ-5D: 9.5 months

40

0.645 (0.228)

[− 0.032 to 1]

31

0.675 (0.185)

[0.364 to 1]

− 0.030

− 0.029

− 0.130 to 0.072

EQ-5D QALYs: 9.5 months

35

0.488 (0.117)

[0.195 to 0.644]

26

0.519 (0.090)

[0.301 to 0.663]

− 0.031

− 0.024

− 0.079 to 0.030

ICECAP-A: baseline

44

0.674 (0.157)

[0.291 to 0.920]

44

0.637 (0.154)

[0.269 to 0.942]

   

ICECAP-A: 14 weeks

45

0.719 (0.169)

[0.363 to 0.969]

34

0.718 (0.138)

[0.371 to 0.934]

0.001

− 0.013

− 0.072 to 0.047

ICECAP-A: 9.5 months

44

0.713 (0.189)

[0.251 to 1]

33

0.707 (0.159)

[0.432 to 1]

0.006

0

− 0.072 to 0.072

ICECAP-A WALYs: 9.5 months

40

0.512 (0.108)

[0.239 to 0.663]

27

0.519 (0.083)

[0.341 to 0.699]

− 0.007

− 0.007

− 0.044 to 0.029

  1. *Adjusted for study site and baseline score of the outcome measure