Table 2.
Pre-ICBT and post-ICBT intervention measures for eight donors or donor candidates
Outcome measures | Before ICBT | After ICBT | r (pre-ICBT and post-ICBT) | Effect size (Hedges’ g)* | ||
M | SD | M | SD | |||
Health-related quality of life (RAND SF-36)† | ||||||
Physical HRQoL | ||||||
Physical Health Composite Score | 54.13 | 4.7 | 56.38 | 4.1 | 0.82 | 0.30 |
Physical functioning | 55.50 | 4.6 | 55.38 | 3.1 | 0.96 | −0.01 |
Role limitations—physical health problems | 54.13 | 5.3 | 55.00 | 8.9 | −0.14 | 0.15 |
Pain | 55.63 | 6.6 | 57.75 | 8.1 | 0.25 | 0.35 |
General health perceptions | 51.00 | 5.2 | 55.00 | 3.9 | 0.94 | 0.30 |
Psychological HRQoL | ||||||
Mental Health Composite Score | 51.25 | 6.9 | 54.25 | 2.8 | 0.24 | 0.61 |
Emotional well-being | 48.88 | 7.3 | 50.88 | 5.9 | 0.31 | 0.35 |
Role limitations—mental health problems | 49.75 | 8.5 | 52.63 | 8.3 | −0.20 | 0.43 |
Social functioning | 54.63 | 4.8 | 53.00 | 4.2 | 0.40 | −0.39 |
Energy | 51.25 | 6.6 | 57.50 | 7.0 | 0.38 | 1.02 |
Anxiety and depression (Hospital Anxiety and Depression Scale)‡ | ||||||
Depression | 2.00 | 1.9 | 1.88 | 1.6 | 0.63 | 0.06 |
Anxiety | 4.00 | 2.7 | 4.50 | 3.0 | 0.05 | −0.24 |
Fatigue (CIS short version)‡ | ||||||
Fatigue | 9.75 | 6.4 | 9.63 | 6.0 | 0.93 | 0.01 |
n=8.
*Effect sizes were presented using negative values indicating a reduction of symptoms.
†Higher scores represent better functioning.
‡Higher scores represent more symptoms.
CIS, Checklist Individual Strength–Fatigue Scale; HRQoL, health-related quality of life; ICBT, internet-based cognitive-behavioural therapy; RAND SF-36, RAND Short Form-36 Health Status Inventory.