Measuring the psychosocial burden in women with low-grade abnormal cervical cytology in the TOMBOLA trial: psychometric properties of the Process and Outcome Specific Measure (POSM)

Rothnie, Kieran, Cotton, Seonaidh C., Fielding, Shona, Gray, Nicola M., Little, Julian, Cruickshank, Margaret E., Walker, Leslie G., Avis, Mark and Sharp, Linda (2014) Measuring the psychosocial burden in women with low-grade abnormal cervical cytology in the TOMBOLA trial: psychometric properties of the Process and Outcome Specific Measure (POSM). Health and Quality of Life Outcomes, 12 (1). 154/1-154/9. ISSN 1477-7525

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Abstract

Background

There is a need for an instrument to measure the psychosocial burden of receiving an abnormal cervical cytology result which can be used regardless of the clinical management women receive.

Methods

3331 women completed the POSM as part of baseline psychosocial assessment in a trial of management of low grade cervical cytological abnormalities. Factor analysis and reliability assessment of the POSM were conducted.

Results

Two factors were extracted from the POSM: Factor 1, containing items related to worry; and Factor 2 containing items relating to satisfaction with information and support received and change in the way women felt about themselves. Factor 1 had good reliability (Cronbach’s alpha 0.769), however reliability of the Factor 2 was poorer (0.482). Data collected at four subsequent time points demonstrated that the factor structure was stable over time.

Conclusion

This study demonstrates the presence and reliability of a scale measuring worries within the POSM. This analysis will inform its future use in this population and in other related contexts.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/993735
Keywords: Cervical intraepithelial neoplasia; questionnaires; factor analysis; psychosocial distress
Schools/Departments: University of Nottingham, UK > Faculty of Medicine and Health Sciences > School of Health Sciences
Identification Number: https://doi.org/10.1186/s12955-014-0154-8
Depositing User: Kesaite, Viktorija
Date Deposited: 07 Sep 2015 10:57
Last Modified: 04 May 2020 20:12
URI: https://eprints.nottingham.ac.uk/id/eprint/29807

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