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Table 4 Construct validity in the main study (N = 75): Kendall Tau correlations (rτ, p) between the dimensions of the IPQ-R Puppet Interview and parent-reported measures for beliefs about internal control, general self-efficacy, optimism, emotional problems, and self- and parent-reported child’s health-related quality of life

From: The puppet interview to measure illness perceptions in paediatric oncology: development and psychometric properties in acute treatment and follow-up care

   

Parent-report

  

Self-report

 

Internal control belief (IE-4)

 

Self-efficacy belief (ASKU)

 

Optimism

(SOP)

 

Emotional problems (SDQ)

 

HRQoL

(KINDL-R)

 

HRQoL

(KINDL-R)

 
 

rτ (punadj.)

rτ (padj.)

rτ (punadj.)

rτ (padj.)

rτ (punadj.)

rτ (padj.)

rτ (punadj.)

rτ (padj.)

rτ (punadj.)

rτ (padj.)

rτ (punadj.)

rτ (padj.)

Symptoms associated with the illness

.13 (.186)

.13 (.651)

-.04 (.654)

-.04 (.763)

-.08 (.428)

-.08 (.885)

.14 (.148)

.14 (.851)

-.10 (.269)

-.10 (.904)

-.32 (.002)

-.32 (.014)

Timeline-acute/chronic

.10 (.377)

.10 (.773)

-.14 (.198)

-.14 (.630)

-.24 (.026)

-.24 (.182)

.04 (.729)

.04 (.851)

-.06 (.548)

-.06 (.904)

-.21 (.066)

-.21 (.154)

Timeline-cyclical

.24 (.037)

.24 (.259)

.13 (.270)

.13 (.630)

-.18 (.117)

-.18 (.410)

.06 (.612)

.06 (.851)

-.02 (.867)

-.02 (.961)

-.26 (.022)

-.26 (.077)

Personal control

.05 (.666)

.05 (.773)

-.04 (.741)

-.04 (.763)

.01 (.922)

.01 (.922)

.10 (.384)

.10 (.851)

.08 (.432)

.08 (.904)

.04 (.742)

.04 (.742)

Coherence

-.07 (.529)

-.07 (.773)

.16 (.142)

.16 (.630)

.05 (.632)

.05 (.885)

-.05 (.690)

-.05 (.851)

.01 (.961)

.01 (.961)

-.09 (.482)

-.09 (.562)

Consequences

-.05 (.678)

-.05 (.773)

-.04 (.745)

-.04 (.763)

.05 (.631)

.05 (.885)

.02 (.859)

.02 (.859)

-.10 (.363)

-.10 (.904)

-.20 (.093)

-.20 (.163)

Emotional representations

-.03 (.773)

-.03 (.773)

.03 (.763)

.03 (.763)

.03 (.790)

.03 (.922)

-.10 (.373)

-.10 (.851)

.05 (.646)

.05 (.904)

-.09 (.429)

-.09 (.562)

  1. To account for multiple comparisons, the Benjamini–Hochberg adjustment method was used (false discovery rate; k = 7). punadj. indicates p-values before adjustment, while padj. indicates p-values after adjustment. Bold characters indicate a significant result (p < .05). As the dimension “treatment control” was added later to the puppet interview, no information on construct validity is available yet. Measures for internal control [IE−4; 18], general self-efficacy [ASKU; 21], optimism [SOP−2; 22], emotional problems [SDQ; 19], and self- and parent-reported child’s health-related quality of life [KINDL−R; 23]