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Erschienen in:
01.10.2015 | Brief Report
Baseline Attitudes About Prostate Cancer Screening Moderate the Impact of Decision Aids on Screening Rates
Erschienen in: Annals of Behavioral Medicine | Ausgabe 5/2015
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Background
The impact of decision aids on prostate cancer screening outcomes has been inconsistent.
Purpose
We assessed whether pre-existing attitudes moderated the impact of decision aids on screening.
Methods
Men aged 45–70 (56.2 % Caucasian, 39.9 % African-American) were randomly assigned to a print decision aid (N = 630), a web decision aid (N = 631), or usual care (N = 632). Telephone interviews assessed pro/con screening attitudes and screening behaviors at baseline, 1-month and 13-months post-randomization.
Results
Logistic regression analyses revealed significant arm by attitude interactions: Higher baseline cons scores predicted lower screening in the print (OR = 0.60 (95 % CI: 0.40, 0.92)) and web (OR = 0.61 (95 % CI: 0.40, 0.91)) arms but not in usual care (OR = 1.34 (95 % CI: 0.90, 2.00)).
Conclusions
The decision aids amplified the impact of men’s baseline attitudes about limitations of screening: Compared to the usual care arm, men in both decision aid arms were less likely to be screened when they perceived more limitations of screening.