Psychological effects of colorectal cancer screening: Participants vs individuals not invited

Figure 1 Flow-chart showing screening attendance and questionnaire response rate for the flexible sigmoidoscopy, faecal immunochemical test and control groups. Baseline questionnaires were completed prior to screening, and the result questionnaire after receiving the first screening result but before potential colonoscopy. FS: Flexible sigmoidoscopy; FIT: Faecal immunochemical test.

Figure 2 Mean anxiety measured at four times in participants with positive and negative screening results and in the two screening groups. Baseline questionnaires were completed prior to screening, and the result questionnaire was completed after receiving the first screening result but before potential colonoscopy. Mixed models, ^aContrast analyses. The mean score is statistically significantly different from the previous score. FS: Flexible sigmoidoscopy; FIT: Faecal immunochemical test.

Figure 3 Mean anxiety, depression and health-related quality of life scores at baseline and at 1-year follow-up for participants with positive and negative screening results and for the control group. ^aThe mean score at 1-year follow-up is statistically significantly different from the mean score at baseline. PF: Physical functioning; RP: Role-physical, limitation associated with physical problems; RE: Role-emotional, limitations associated with emotional problems; MH: Mental Health; GH: General health; BP: Bodily pain; VT: Vitality, energy and happiness; SF: Social Functioning.