Table 3.

Prevalence Proportion Ratio (PR) of Screening by Age Group, Region, and Charlson Comorbidity Index (CCI). N= 650,003

	Unadjusted PR (95% CI)	Model 1 PR (95% CI)	Model 2 PR (95% CI)
Age
50–54 years	1 (ref)	-	1 (ref)
55–59 years	1.01 (1.01–1.01)	-	1.01 (1.01–1.01)
60–64 years	1.00 (0.99–1.00)	-	1.01 (1.00–1.01)
65–69 years	0.94 (0.94–0.95)	-	0.95 (0.95–0.96)
Region
Capital	1 (ref)	1 (ref)	1 (ref)
Central Denmark	1.06 (1.06–1.06)	1.06 (1.05–1.06)	1.06 (1.05–1.06)
North Denmark	1.06 (1.05–1.06)	1.06 (1.05–1.06)	1.06 (1.05–1.06)
Zealand	1.11 (1.11–1.12)	1.11 (1.11–1.12)	1.11 (1.11–1.12)
Southern Denmark	1.17 (1.17–1.18)	1.17 (1.17–1.18)	1.17 (1.17–1.18)
CCI
0	1 (ref)	1 (ref)	1 (ref)
1–2	0.95 (0.95–0.96)	0.96 (0.95–0.96)	0.96 (0.95–0.96)
≥3	0.79 (0.78–0.80)	0.80 (0.79–0.81)	0.80 (0.79–0.81)

Notes: Model 1: Region and CCI adjusted for age group. Model 2: Mutually adjusted.