Table 2.
Colorectal cancer screening rates for the period 2018–2020.
| Characteristics | 2018 (n = 2277a) | 2019 (n = 2425a) | 2020 (n = 2467a) | 2019 versus 2018 | 2020 versus 2019 | ||||
|---|---|---|---|---|---|---|---|---|---|
| SR, %b | SR, %b | SR, %b | SE | SRR | 95% CI | SE | SRR | 95% CI | |
| Overall | 20.0 | 19.1 | 14.8 | 0.029 | 0.95 | 0.90–1.01 | 0.029 | 0.77 | 0.73–0.82 |
| Age group, years | |||||||||
| 50–59 | 23.4 | 19.3 | 16.1 | 0.041 | 0.82 | 0.76–0.89 | 0.042 | 0.83 | 0.77–0.91 |
| 60–69 | 16.7 | 20.5 | 14.0 | 0.050 | 1.23 | 1.11–1.35 | 0.049 | 0.68 | 0.62–0.75 |
| 70–74 | 14.7 | 16.1 | 13.0 | 0.077 | 1.09 | 0.94–1.27 | 0.065 | 0.81 | 0.71–0.92 |
| Sex | |||||||||
| Male | 17.2 | 19.3 | 14.9 | 0.042 | 1.12 | 1.03–1.22 | 0.041 | 0.77 | 0.71–0.83 |
| Female | 22.8 | 18.9 | 14.7 | 0.041 | 0.83 | 0.77–0.90 | 0.040 | 0.78 | 0.72–0.84 |
| Residential area | |||||||||
| Metropolitan | 21.3 | 20.1 | 12.3 | 0.044 | 0.94 | 0.86–1.02 | 0.043 | 0.62 | 0.57–0.67 |
| Urban | 20.1 | 19.3 | 18.4 | 0.045 | 0.96 | 0.88–1.05 | 0.043 | 0.95 | 0.87–1.03 |
| Rural | 15.8 | 15.0 | 10.5 | 0.080 | 0.95 | 0.81–1.11 | 0.083 | 0.70 | 0.59–0.82 |
| Monthly household income ($) | |||||||||
| ≤ 3999 | 16.5 | 19.3 | 13.4 | 0.044 | 1.17 | 1.08–1.28 | 0.043 | 0.69 | 0.64–0.75 |
| 4000–6999 | 22.3 | 16.7 | 15.0 | 0.052 | 0.75 | 0.68–0.83 | 0.053 | 0.89 | 0.81–0.99 |
| ≥ 7000 | 23.5 | 21.6 | 16.9 | 0.059 | 0.92 | 0.82–1.03 | 0.056 | 0.78 | 0.70–0.87 |
| Education status | |||||||||
| Middle school or lower | 15.0 | 15.1 | 13.5 | 0.062 | 1.01 | 0.89–1.14 | 0.061 | 0.89 | 0.79–1.01 |
| High school | 20.1 | 19.6 | 14.4 | 0.038 | 0.97 | 0.90–1.05 | 0.037 | 0.73 | 0.68–0.79 |
| College or higher | 24.9 | 22.8 | 17.6 | 0.067 | 0.91 | 0.80–1.04 | 0.067 | 0.77 | 0.68–0.88 |
| Chronic diseasec | |||||||||
| No | 20.3 | 19.4 | 13.5 | 0.042 | 0.96 | 0.88–1.04 | 0.042 | 0.70 | 0.64–0.75 |
| Yes | 19.8 | 18.8 | 15.9 | 0.041 | 0.95 | 0.88–1.03 | 0.039 | 0.84 | 0.78–0.91 |
SR screening rate, SRR screening rate ratio, SE standard error, CI confidence interval.
aThe n value is the number of individuals eligible for colorectal cancer screening (aged over 50 years); bSRs were defined as the proportion of screened individuals within the last 1 year; Weighting values from the Population and Housing Census were applied to calculate the SRs; cChronic disease, individuals 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.