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Table 4 Mediation analyses for PIP difficulty as mediator

From: Quality of life among adolescents with sickle cell disease: Mediation of pain by internalizing symptoms and parenting stress

Model Predictor Outcome Variable β p Criterion
Met
  PC PPQ Frequency PIP Difficulty .48 .002  
1 PC PPQ Frequency CHQ PC Physical Functioning -.48 .001 z = -2.01
p = .022
  PC PPQ Frequency PIP Difficulty CHQ PC Physical Functioning -.40 .017  
2 PC PPQ Frequency CHQ PC Self-esteem -.39 .011 z = -1.94
p = .026
  PC PPQ Frequency PIP Difficulty CHQ PC Self-esteem -.38 .022  
3 PC PPQ Frequency CHQ Teen Physical Functioning -.52 < .001 z = -2.18
p = .014
  PC PPQ Frequency PIP Difficulty CHQ Teen Physical Functioning -.44 .006  
  Teen PPQ Frequency Risk Index PIP Difficulty .37 .026  
4 Teen PPQ Frequency Risk Index CHQ PC Physical Functioning -.63 < .001 z = -1.57
p = .057
  Teen PPQ Frequency PIP Difficulty Risk Index CHQ PC Physical Functioning -.31 .040  
5 Teen PPQ Frequency Risk Index CHQ Teen Physical Functioning -.75 < .001 z = -1.80
p = .036
  Teen PPQ Frequency PIP Difficulty Risk Index CHQ Teen Physical Functioning -2.83 .008  
6 Teen PPQ Frequency Risk Index CHQ Teen Self-esteem -.30 .063 No
  Teen PPQ Frequency PIP Difficulty Risk Index CHQ Teen Self-esteem -.06 -.344  
  1. PC = Primary Caregiver; PPQ = Pediatric Pain Questionnaire; BASC = Behavioral Assessment System for Children; PIP = Pediatric Inventory for Parents; CHQ = Child Health Questionnaire.