Table 2.

Criteria for assessing quality and extent to which article answered the questions of interest

Study type	Criteria assessed
Quantitative	Quality criteria Response rate for psychological measures was above 60% Analysis included all cases unless justified explanation for exclusion Outcomes of interest assessed with validated measures Measurements done in the same way for all participants Extent to which study answered our research question Applicability of the study participants to a general primary care population in the USA Study includes one of following relevant comparison groups to assess change from prescreening: (1) prediagnosis in same individuals; (2) screen negative group; (3) population norms and (4) similar unscreened group Addressed potential confounders The results presented as frequencies of specific psychological states rather than only group means
Qualitative	Applicability of participants to a general primary care population in the USA Consistent interviewing methods for all participants Systematic and rational approach to identification and coding of themes
Population-based studies	Population applicable to a general primary care population in the USA Valid measures applied consistently for all participants Valid measures of suicide/psychiatric problem outcomes Comparison with people not recently diagnosed with either PCa or AAA

AAA, abdominal aortic aneurysm; PCa, prostate cancer.