Abstract
BackgroundState Trait Anxiety Inventory (STAI) scale was developed in the 1980’s and has been widely used both in clinical settings and in research. However the Danish version of STAI has not been validated. The aim of this study was to assess the validity and reliability of STAI - state anxiety scale in Danish women aged 45 years and older with abnormal cervical cancer screening results.MethodsWomen ≥45 years referred with an abnormal cervical cytology and healthy volunteers (n = 12) underwent cognitive interview after completing STAI. Further, STAI was sent out in an electronic questionnaire to women (n = 109) seen at the gynecological department with abnormal cervical cancer screening test during 2018. Validity and reliability of STAI was evaluated according to the Consensus-based Standards for the selection of health Measurement Instruments (COSMIN) checklist by examining internal consistency, test-retest reliability, measurement error, floor and ceiling, construct validity and content validity.ResultsIn the cognitive interviews the content validity was evaluated to be very good. The internal consistency of the scale was excellent with Cronbach’s α = 0.93. Test-retest reliability was good with an intra-class correlation coefficient of 0.80 and the systematic difference between test-retest results was negligible. The construct validity was good.ConclusionTo our best knowledge, this is the first validation study of the Danish translation of STAI-state anxiety scale. This version of STAI demonstrates an acceptable reliability and validity when used in a gynecological setting.
Highlights
State Trait Anxiety Inventory (STAI) scale was developed in the 1980’s and has been widely used both in clinical settings and in research
Cervical cancer may be prevented by Human Papillomavirus (HPV) vaccination or screening [2]
The colposcopic examination carries a low risk of physical harm, such as bleeding and infection, but several studies have demonstrated that an abnormal screening test result and referral for colposcopy may be associated with increased levels of anxiety and discomfort [3,4,5,6,7,8]
Summary
State Trait Anxiety Inventory (STAI) scale was developed in the 1980’s and has been widely used both in clinical settings and in research. The aim of this study was to assess the validity and reliability of STAI - state anxiety scale in Danish women aged 45 years and older with abnormal cervical cancer screening results. Screening allows for detection and treatment of cervical precancerous lesion, thereby reducing cervical cancer incidence and mortality. The colposcopic examination carries a low risk of physical harm, such as bleeding and infection, but several studies have demonstrated that an abnormal screening test result and referral for colposcopy may be associated with increased levels of anxiety and discomfort [3,4,5,6,7,8]
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