Table 1.
Relationship of socioeconomic characteristics and the number of dental visits during last year
| Item | Variables | The number of dental visits during last year | P-value* | ||||
|---|---|---|---|---|---|---|---|
| No visit | Once | Twice | Three times | Over four times | |||
| Gender | Boy | 17,857 (45.2) | 9,812 (24.9) | 5,137 (13.0) | 2,227 (5.6) | 4,433 (11.2) | <0.001 |
| Girl | 12,810 (36.4) | 8,600 (24.4) | 5,082 (14.4) | 2,524 (7.2) | 6,216 (17.6) | ||
| Grade | Middle school 1st | 3,896 (29.9) | 3,919 (30.1) | 2,302 (17.7) | 1,104 (8.5) | 1,814 (13.9) | <0.001 |
| Middle school 2nd | 5,213 (40.6) | 3,121 (24.3) | 1,844 (14.4) | 951 (7.4) | 1,720 (13.4) | ||
| Middle school 3rd | 5,928 (45.8) | 2,686 (20.8) | 1,713 (13.2) | 794 (6.1) | 1,815 (14.0) | ||
| High school 1st | 4,594 (35.9) | 3,686 (28.8) | 1,844 (14.4) | 718 (5.6) | 1,967 (15.4) | ||
| High school 2nd | 5,235 (45.1) | 2,641 (22.8) | 1,301 (11.2) | 635 (5.5) | 1,784 (15.4) | ||
| High school 3rd | 5,801 (50.6) | 2,359 (20.6) | 1,215 (10.6) | 549 (4.8) | 1,549 (13.5) | ||
| Residence type | Metropolis | 15,304 (39.7) | 9,890 (25.6) | 5,546 (14.4) | 2,462 (6.4) | 5,381 (13.9) | <0.001 |
| City | 10,565 (41.2) | 6,228 (24.3) | 3,456 (13.5) | 1,674 (6.5) | 3,746 (14.6) | ||
| Rural area | 4,798 (45.9) | 2,294 (22.0) | 1,217 (11.7) | 615 (5.9) | 1,522 (14.6) | ||
| School type | Middle school | 15,037 (38.7) | 9,726 (25.1) | 5,859 (15.1) | 2,849 (7.3) | 5,349 (13.8) | <0.001 |
| High school | 15,630 (43.6) | 8,686 (24.2) | 4,360 (12.1) | 1,902 (5.3) | 5,300 (14.8) | ||
Data are expressed as N (%).
*
P-value determined by chi-squared test.