Table 6 Coding of validity criteria for each measure.
Measure | Face/Content validity | Construct validity | ||
|---|---|---|---|---|
| Â | Â | Convergent r > 0.40 Divergent r < 0.30 | Known groups (discriminate) | Factor Analysis Eigenvalues > 1 |
AQoL [35] | Assessed by survivors Review of literature Item wording, redundancy Pilot test (n = 7) | - | Receiving treatment (n = 41) Not receiving treatment (n = 34) P = 0.000 | 6 factors Represented 66.5% of variance |
MMQL Adolescent Forrm [52] | Assessed by survivors Focus group (n = 20) Interviews (n = 20) Pilot test 1st (n = 10) 2nd (n = 10) | Child Health Questionnaire - Child Form Hypotheses supported 42 correlations > 0.40 | Healthy adolescents (n = 129) On therapy (n = 110) Off therapy (n = 158) P < 0.05 for 4 domains | - |
PedsQL 3.0 Cancer Module (C&A) [55] | Adapted from Pediatric Cancer Quality of Life Inventory (PCQL), PedsQL 1.0 Cancer Module, and PedsQL | PedsQL 4.0 Generic Core Scale PedsQL Multidimensional Fatigue Scale Hypotheses supported 34 correlations > 0.40 | On treatment (n = 106) Off treatment < 1 year (n = 41) Off treatment > 1 year (n = 73) P < 0.05 for 3 domains | - |
QOL-CS [16] | - | Cancer Specific Worry Scale Psychosocial Worry Scale General Health Worry Scale Hypotheses supported 9 correlations > 0.40 | Other condition (Y = 28, N = 148) After-effects (Y = 86, N = 90) Income (< $25 K = 36, > $25 K = 127) Gender (F = 101, M = 75) Marital status P < 0.05 for 5 factors | 6 factors Represented 56.2% of variance |
PCQL-32 [60] | Assessed by survivors Review of literature Interviews and pilot test Item wording, relevance, redundancy, reduction [59] | Children' Depression Inventory Stait-Trait Anxiety Inventory-32 (Child) Social Support Scale (Child/Adoles) Self-Perception Profile (Child/Adoles) Child Behaviour Checklist Hypotheses Supported 10 correlations > 0.40 15 correlations < 0.30 | On treatment (n = 125) Off treatment (n = 156) P < 0.05 for total scale and 3 domains | - |
PCQL Modular Approach [62] | Adapted from the PCQL long form and PCQL-32 | - | On treatment (n = 125) Off treatment (n = 156) P < 0.05 for the core and symptom modules | - |
PIE [63] | Assessed by survivors Interviews (n = 15) Item reduction | Rotterdam Symptom Checklist Functional Disability Inventory Restrictions Scale Psychological Symptoms Hypotheses Supported 9 correlations > 0.40 20 correlations < 0.30 | Younger children Older Children Maintenance treatment Completed treatment P < 0.05 for 2 domains | - |
| Â | Â | SF-36 Functional Evaluation Scale Hypotheses Supported 38 correlations > 0.40 44 correlations < 0.30 [64] | Â | Â |