Table 1.
Stomach cancer screening rates for the period 2018–2020.
| Characteristics | 2018 (n = 3495a) | 2019 (n = 3539a) | 2020 (n = 3557a) | 2019 versus 2018 | 2020 versus 2019 | ||||
|---|---|---|---|---|---|---|---|---|---|
| SR, %b | SR, %b | SR, %b | SE | SRR | 95% CI | SE | SRR | 95% CI | |
| Overall | 32.6 | 32.7 | 27.2 | 0.024 | 1.00 | 0.96–1.05 | 0.024 | 0.83 | 0.79–0.87 |
| Age group, years | |||||||||
| 40–49 | 33.8 | 34.3 | 26.7 | 0.041 | 1.01 | 0.94–1.10 | 0.043 | 0.78 | 0.72–0.85 |
| 50–59 | 32.6 | 32.7 | 28.3 | 0.041 | 1.00 | 0.92–1.09 | 0.042 | 0.86 | 0.80–0.94 |
| 60–69 | 32.7 | 35.5 | 27.9 | 0.050 | 1.09 | 0.98–1.20 | 0.049 | 0.79 | 0.71–0.86 |
| 70–74 | 27.0 | 24.4 | 24.4 | 0.077 | 0.91 | 0.78–1.05 | 0.065 | 1.00 | 0.88–1.14 |
| Sex | |||||||||
| Male | 33.8 | 32.4 | 26.8 | 0.034 | 0.96 | 0.90–1.02 | 0.034 | 0.83 | 0.77–0.88 |
| Female | 31.5 | 33.1 | 27.6 | 0.034 | 1.05 | 0.98–1.12 | 0.033 | 0.83 | 0.78–0.89 |
| Residential area | |||||||||
| Metropolitan | 34.8 | 33.1 | 23.2 | 0.036 | 0.95 | 0.89–1.02 | 0.036 | 0.70 | 0.65–0.75 |
| Urban | 32.1 | 34.9 | 30.3 | 0.036 | 1.09 | 1.01–1.17 | 0.035 | 0.87 | 0.81–0.93 |
| Rural | 27.0 | 22.5 | 30.1 | 0.070 | 0.83 | 0.73–0.95 | 0.074 | 1.34 | 1.16–1.55 |
| Monthly household income ($) | |||||||||
| ≤ 3999 | 28.9 | 29.6 | 27.1 | 0.040 | 1.03 | 0.95–1.11 | 0.040 | 0.91 | 0.85–0.99 |
| 4000–6999 | 34.5 | 30.9 | 25.1 | 0.039 | 0.90 | 0.83–0.97 | 0.040 | 0.81 | 0.75–0.88 |
| ≥ 7000 | 35.0 | 39.1 | 29.4 | 0.046 | 1.12 | 1.02–1.22 | 0.044 | 0.75 | 0.69–0.82 |
| Education status | |||||||||
| Middle school or lower | 23.1 | 24.6 | 26.1 | 0.062 | 1.07 | 0.94–1.20 | 0.060 | 1.06 | 0.94–1.20 |
| High school | 34.0 | 32.1 | 26.7 | 0.033 | 0.95 | 0.89–1.01 | 0.033 | 0.83 | 0.78–0.89 |
| College or higher | 34.5 | 38.0 | 28.4 | 0.042 | 1.10 | 1.02–1.20 | 0.042 | 0.75 | 0.69–0.81 |
| Chronic diseasec | |||||||||
| No | 31.5 | 33.4 | 25.7 | 0.031 | 1.06 | 1.00–1.13 | 0.031 | 0.77 | 0.72–0.82 |
| Yes | 34.3 | 31.8 | 29.1 | 0.037 | 0.93 | 0.86–1.00 | 0.036 | 0.91 | 0.85–0.98 |
SR screening rate; SRR screening rate ratio; SE standard error; CI confidence interval.
aThe n value is the number of individuals eligible for gastric cancer screening (aged over 40 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.