Measuring a new facet of post traumatic growth: development of a scale of physical post traumatic growth in men with prostate cancer
Walsh, Deirdre M. J.
Groarke, Ann Marie
Morrison, Todd G.
Sullivan, Francis J.
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Walsh, Deirdre M. J. Groarke, Ann Marie; Morrison, Todd G.; Durkan, Garrett; Rogers, Eamonn; Sullivan, Francis J. (2018). Measuring a new facet of post traumatic growth: development of a scale of physical post traumatic growth in men with prostate cancer. PLOS ONE 13 (4),
Purpose This study developed a measure of physical post traumatic growth (physical post traumatic growth inventory; P-PTGI) in men with prostate cancer. Methods A pool of items was created from themes identified in a qualitative study. A quantitative study was then conducted to assess the psychometric properties of the P-PTGI in a sample of 693 prostate cancer survivors. Results Tests of dimensionality revealed that the 20-item P-PTGI contained two factors: Health Autonomy and Health Awareness. Results demonstrated that scale score reliability for the P-PTGI and its subscales was excellent. In support of the scale's convergent validity, scores on the P-PTGI correlated positively with mindfulness and quality of life, and correlated negatively with depression and anxiety. A statistically significant correlation between the P-PTGI and another robust indicator of post traumatic growth attests to its concurrent validity. Conclusions While further investigation of the P-PTGI's psychometric properties is required, preliminary findings are promising.