Validity of Self-Reports of Return for Routine Repeat Screening in an Ovarian Cancer Screening Program

Cancer screening research relies on reliable and valid measurement of cancer screening behavior. Self-reports of screening constitute a cost-effective approach to measuring screening behavior; however, demonstration of suitable validity of these self-reports is critical. We evaluated the validity of...

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Veröffentlicht in:Cancer epidemiology, biomarkers & prevention biomarkers & prevention, 2007-03, Vol.16 (3), p.490-493
Hauptverfasser: LYKINS, Emily L. B, PAVLIK, Edward L, ANDRYKOWSKI, Michael A
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Sprache:eng
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Zusammenfassung:Cancer screening research relies on reliable and valid measurement of cancer screening behavior. Self-reports of screening constitute a cost-effective approach to measuring screening behavior; however, demonstration of suitable validity of these self-reports is critical. We evaluated the validity of self-report of return for repeat, routine, annual transvaginal sonography (TVS) screening for ovarian cancer. Participants ( n = 535) in a university-based ovarian cancer screening program for asymptomatic, average risk women completed a telephone interview 18 months following an initial, baseline TVS screening test. Self-reports of return for a repeat, routine ovarian cancer screening test since baseline were obtained and compared with objective records of repeat screening from the screening program database. Overall agreement of self-reports and objective records of ovarian cancer screening was 97.57% ( κ = 0.94). Sensitivity was 0.98, specificity was 0.96, positive predictive value was 0.98, and negative predictive value was 0.96. The month of last screening was accurately identified by 80% of participants. It was concluded the validity of self-reports of TVS screening for ovarian cancer is very high and may even exceed the validity of self-reports of participation in breast, cervical, and colorectal cancer screening over similar recall periods. Consequently, self-reports of TVS screening may serve as a cost-effective substitute for more objective methods of assessing TVS screening behavior. (Cancer Epidemiol Biomarkers Prev 2007;16(3):490–3)
ISSN:1055-9965
1538-7755
DOI:10.1158/1055-9965.EPI-06-0433