PSYCHOLOGICAL WELLBEING SCALE FOR CANCER PATIENTS: REVISED VERSION
Keywords:Alpha reliability split half reliability, Cancer patients, Exploratory factor analysis, Psychological well-being
Objective: To revise the psychological well-being scale for cancer patients and development of psychometric properties of revised measure.
Study Design: Cross-sectional study.
Place and Duration of Study: Study was carried out at department of Psychology, University of Gujrat, Pakistan over duration of seven months started from Aug 2017 to Feb 2018. Data collected from three different cancer hospitals of Lahore including Shaukat Khanum Memorial Cancer Hospital and Research Centre and Mayo Hospital Oncology department and Institute of Nuclear Medicine & Oncology. Total 255 cancer patients were included in this phase.
Methodology: Sample was selected through the purposive non-probability sampling. Initially, 53 items scale in Urdu language was qualitatively evaluated by 7 subject experts that turned into 51 items after evaluation. Amended scale of 51 items administered on targeted population. Data was analyzed through the descriptive and inferential statistics. Item total correlation method was used to figure out the most correlated items with the following administration of exploratory factor analysis. Scale reliability was explored through Alpha Reliability measure and through the Split half Reliability.
Results: Exploratory factor analysis was carried out for structure detection and data reduction and resulted in to 37 items with four subscales (Familial Support, Feeling of Worry, Cognitive Functioning, and Learned Helplessness). Further item-total correlation was computed to figure out the internal consistency of scale. Alpha reliability coefficient and split half reliability was 0.90 and 0.70 respectively.
Conclusion: After revision, 53 items psychological wellbeing scale turned into 37 items scale with categorization of mild, moderate and severe level of psychological wellbeing in cancer patients.