Association between age factors and strategies for promoting participation in gastric and colorectal cancer screenings

Table 1 Basic characteristics of gastric cancer screening

	Average	95%CI		P-value
Total number of municipalities	1639
Participation rate (%)
40–49 years	13.18	12.60	13.77	< 0.05
50–59 years	14.90	14.29	15.50
60–69 years	21.58	20.89	22.26
≥ 70 years	14.06	13.48	14.64
Intervention to promote participation in cancer screening
Personal invitation letters	0.384	0.360	0.407	< 0.05
Household invitation letters	0.214	0.194	0.234
Home visits by community nurses	0.059	0.047	0.070
Screenings at medical offices	0.448	0.424	0.473
Free screenings for all age groups	0.081	0.068	0.094
Covariate
≥ 30,000 of total population in each municipality	0.475	0.450	0.499	–
Total number of medical facilities per 1000 individuals aged 40 years and older	1.165	1.133	1.197	–
Percentage of women (%)
40–49 years	59.59	59.05	60.14	< 0.05
50–59 years	59.82	59.27	60.38
60–69 years	56.01	55.74	56.28
≥ 70 years	60.13	59.92	60.34

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