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. 2019 Aug 16;34(35):e229. doi: 10.3346/jkms.2019.34.e229

Table 3. Sociodemographic characteristics of subjects according to having a USC.

Characteristics 2012 2013 2016
USCa No USCb USC No USC USC No USC
Total, No. 2,909 3,211 4,109 2,484 4,892 2,706
Gender
Men 41.2 38.5 42.9 36.6 42.1 38.0
Women 58.8 61.5 57.1 63.4 57.9 62.0
Age, yr
20–29 2.6 5.0 4.2 6.2 4.9 4.5
30–39 7.9 10.4 9.1 10.5 6.8 7.5
40–49 14.6 16.9 16.2 17.6 14.9 14.8
50–59 18.6 20.6 17.8 21.1 18.1 18.3
60–69 24.6 21.6 22.5 20.6 22.3 22.9
70 or older 31.8 25.6 30.2 23.9 33.0 32.1
Region
Capital 36.0 30.3 34.2 30.0 29.3 34.5
Metropolitan 27.8 30.3 28.4 29.8 27.6 27.7
Other 36.2 39.4 37.5 40.2 43.1 37.8
Educational level
Elementary and below 35.0 32.6 31.3 30.9 28.8 32.9
Up to high school 43.9 45.0 43.3 43.9 43.9 43.8
College or higher 21.1 22.4 25.4 25.2 27.3 23.4
Income level
Low 35.0 30.2 32.4 29.7 33.5 35.7
Intermediate 40.1 43.1 40.8 42.1 38.1 39.4
High 25.0 26.7 26.8 28.2 28.4 24.9
Subjective health status
Good 32.3 26.3 29.8 28.5 31.0 25.9
Moderate 38.5 44.1 45.3 45.2 44.5 46.3
Poor 24.6 24.8 21.3 21.1 22.0 24.9
Chronic disease
No 24.8 30.5 24.7 33.5 35.5 40.1
Yes 63.9 50.9 60.9 47.9 64.5 59.9
CCI
Mean 0.620 0.415 0.573 0.385 0.602 0.508

Data are presented as %.

USC = usual source of care, CCI = Charlson comorbidity index.

aUSC: group with a USC; bno USC: group without a USC.