Korean Journal of Family Practice

Table. 2.

General characteristics of study subjects according to whether they have a regular doctor

Variable Total (n=63,623) Having a regular doctor No having a regular doctor P-value
Sex 0.001
Male 29,423 (46.2) 4,939 (40.6) 24,484 (47.6)
Female 34,200 (53.8) 7,219 (59.4) 26,981 (52.4)
Age (y) 0.001
18–44 22,350 (35.1) 1,892 (15.6) 20,458 (39.8)
45–64 23,241 (36.5) 4,459 (36.7) 18,782 (36.5)
≥65 18,032 (28.3) 5,807 (47.8) 12,225 (23.7)
Spouse 0.001
None 20,629 (32.4) 3,332 (27.4) 17,297 (33.6)
Has exist 42,994 (67.6) 8,826 (72.6) 34,168 (66.4)
Educationa 0.001
Under high school 20,608 (32.4) 5,683 (46.7) 14,925 (29.0)
Higher than high school and less than college 29,297 (46.0) 4,507 (37.1) 24,790 (48.2)
University graduate or higher 13,718 (21.6) 1,968 (16.2) 11,750 (22.8)
Economic activity 0.001
Yes 25,508 (40.1) 6,008 (49.4) 19,500 (37.9)
No 38,115 (59.9) 6,150 (50.6) 31,965 (62.1)
Household incomeb 0.001
1st quartile (lowest) 9,732 (15.3) 2,793 (23.0) 6,939 (13.5)
2nd quartile 12,714 (20.0) 2,725 (22.4) 9,989 (19.4)
3rd quartile 13,686 (21.5) 2,408 (19.8) 11,278 (21.9)
4th quartile 13,940 (21.9) 2,133 (17.6) 11,807 (22.9)
5th quartile (highest) 13,532 (21.3) 2,095 (17.2) 11,473 (22.3)
Medical coverage 0.001
Health insurance 61,299 (96.4) 11,448 (94.2) 49,851 (96.9)
Medical benefits 2,311 (3.6) 709 (5.8) 1,602 (3.1)
Private medical insurance 0.001
Not join 18,177 (28.6) 4,515 (37.1) 13,662 (26.5)
Join 45,446 (71.4) 7,643 (62.9) 37,803 (73.5)
Chronic diseases 0.001
0 23,122 (36.4) 1,330 (10.9) 21,792 (42.3)
1 11,995 (18.8) 2,001 (16.5) 9,994 (19.4)
≥2 28,506 (44.8) 8,827 (72.6) 19,679 (38.2)
CCI 0.001
0 49,591 (77.9) 7,228 (59.5) 42,363 (82.3)
1 9,011 (14.2) 3,057 (25.1) 5,954 (11.6)
≥2 5,021 (7.9) 1,873 (15.4) 3,148 (6.1)
Disability 0.001
None 59,161 (93.0) 10,857 (89.3) 48,304 (93.9)
Mild disability 2,690 (4.2) 765 (6.3) 1,925 (3.7)
Severe disability 1,712 (2.7) 514 (4.2) 1,198 (2.3)
Unregistered disability 60 (0.1) 22 (0.2) 38 (0.1)
Subjective health status 0.001
Above average 50,906 (84.4) 9,011 (76.1) 41,895 (86.4)
Bad 9,397 (15.6) 2,826 (23.9) 6,571 (13.6)
Vaccinations and preventive care 0.001
No 48,345 (76.0) 8,036 (66.1) 40,309 (78.3)
Yes 15,278 (24.0) 4,122 (33.9) 11,156 (21.7)

Values are presented as number (%).

CCI, Charlson Comorbidity Index.

aDivided into three categories according to the International Standard Classification of Education (ISCED).

bUsing a square root scale, the 1st quartile is the lowest 20%, and the 5th quartile is the highest 20% as a reference criterion.

P-value by chi-square.

Korean J Fam Pract 2022;12:151~157 https://doi.org/10.21215/kjfp.2022.12.3.151
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