Table 4 Cervical cancer screening rates for the period 2018–2020.

Characteristics	2018 (n = 2759^a)	2019 (n = 2756^a)	2020 (n = 2743^a)	2019 versus 2018			2020 versus 2019
Characteristics	SR, %^b	SR, %^b	SR, %^b	SE	SRR	95% CI	SE	SRR	95% CI
Overall	20.2	22.2	20.4	0.027	1.10	1.04–1.16	0.027	0.92	0.87–0.97
Age group, years
20–29	9.9	14.0	13.0	0.063	1.41	1.25–1.60	0.063	0.93	0.82–1.05
30–39	20.6	27.1	24.3	0.065	1.32	1.16–1.49	0.067	0.89	0.79–1.02
40–49	26.3	26.6	23.1	0.059	1.01	0.90–1.14	0.061	0.87	0.77–0.98
50–59	24.6	25.9	23.9	0.059	1.05	0.94–1.18	0.059	0.92	0.82–1.04
60–69	19.5	19.8	21.4	0.068	1.02	0.89–1.17	0.069	1.08	0.95–1.24
70–74	12.2	15.6	13.1	0.104	1.28	1.04–1.57	0.087	0.83	0.70–0.99
Residential area
Metropolitan	22.2	21.6	17.9	0.040	0.97	0.90–1.05	0.040	0.83	0.77–0.90
Urban	19.4	24.2	23.4	0.040	1.25	1.15–1.35	0.040	0.97	0.89–1.05
Rural	14.8	14.9	17.6	0.086	1.01	0.85–1.19	0.093	1.18	0.99–1.42
Monthly household income ($)
≤ 3999	17.3	20.9	19.5	0.049	1.21	1.10–1.33	0.049	0.93	0.85–1.03
4000–6999	23.8	21.4	19.9	0.045	0.90	0.83–0.98	0.047	0.93	0.85–1.02
≥ 7000	18.9	24.1	21.5	0.047	1.27	1.16–1.40	0.045	0.89	0.82–0.97
Education status
Middle school or lower	11.5	12.9	15.6	0.079	1.12	0.96–1.31	0.075	1.21	1.05–1.41
High school	22.0	23.2	21.2	0.040	1.05	0.97–1.14	0.040	0.92	0.85–0.99
College or higher	20.3	24.1	20.9	0.042	1.19	1.09–1.29	0.042	0.87	0.80–0.94
Chronic disease^c
No	17.2	22.8	20.1	0.032	1.33	1.25–1.41	0.032	0.88	0.83–0.94
Yes	27.7	20.4	20.8	0.052	0.74	0.67–0.82	0.050	1.02	0.93–1.13

SR screening rate, SRR screening rate ratio, SE standard error, CI confidence interval.
^aThe n value is the number of women eligible for cervical cancer screening (aged over 20 years); ^bSRs were defined as the proportion of screened women within the last 1 year; Weighting values from the Population and Housing Census were applied to calculate the SRs; ^cChronic disease, women who are diagnosed with any of following diseases: hypertension, diabetes, tuberculosis, hepatitis B, hepatitis C, liver cirrhosis, chronic gastritis, stomach/duodenal ulcers, polyps, benign breast diseases, uterine myoma, and hyperlipidemia.

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