Table 1. Characteristics of Korean adolescents. Data are presented as n (%). |
Characteristics |
|
Males (n = 38,221) |
Females (n = 35,965) |
Total (n =74,186) |
p value |
School Grade |
Middle school |
19,283 (50.5) |
18,014 (50.1) |
37,297 (50.3) |
.322 |
High school |
18,938 (49.5) |
17,951 (49.9) |
36,889 (49.7) |
Current smoking |
Nonsmoking |
32,059 (83.9) |
33,735 (93.8) |
65,749 (88.8) |
<.001 |
Smoking |
6,152 (16.1) |
2,230 (6.2) |
8,382 (11.2) |
Current alcohol consumption |
Nondrinking |
28,620 (74.9) |
29,311 (81.5) |
57,931 (78.2) |
<.001 |
Drinking |
9,591 (25.1) |
6,654 (18.5) |
16,255 (21.8) |
Grade point average |
High |
4,547 (11.9) |
3,373 (9.4) |
7,920 (10.7) |
<.001 |
High middle |
8,943 (23.4) |
8,659 (24.1) |
17,602 (23.7) |
Middle |
9,949 (26.0) |
9,905 (27.5) |
19,854 (26.8) |
Low middle |
9,481 (24.8) |
9,460 (26.3) |
18,941 (25.5) |
Low |
5,301 (13.9) |
4,568 (12.7) |
9,869 (13.3) |
Family socio-economic status |
High |
3,085 (8.1) |
1,698 (4.7) |
4,783 (6.4) |
<.001 |
High middle |
9,498 (24.9) |
8,001 (22.2) |
17,499 (23.6) |
Middle |
17,185 (45.0) |
17,699 (49.2) |
4,884 (47.0) |
Low middle |
6,407 (16.8) |
6,806 (18.9) |
13,213 (17.8) |
Low |
2,046 (5.4) |
1,761 (4.9) |
3,807 (5.1) |
Depression |
No |
28,499 (74.6) |
22,942 (63.8) |
51,441 (69.3) |
<.001 |
Yes |
9,722 (25.4) |
13,023 (36.2) |
22,745 (30.7) |
Stress |
Very much |
3,478 (9.1) |
5,325 (14.8) |
8,814 (11.9) |
<.001 |
Some what |
9,853 (25.8) |
12,699 (35.3) |
22,552 (30.4) |
Moderate |
16,638 (43.5) |
13,764 (38.3) |
30,402 (41.0) |
Very little |
6,768 (17.7) |
3,723 (10.4) |
10,491 (14.1) |
Not at all |
1,475 (3.9) |
452 (1.3) |
1,927 (2.6) |
Self-rated health |
Very good |
9,617 (25.2) |
4,909 (13.6) |
14,526 (19.6) |
<.001 |
Good |
18,384 (48.1) |
17,251 (48.0) |
35,635 (48.0) |
Fair |
8,119 (21.2) |
10,640 (29.6) |
18,759 (25.3) |
Poor |
1,952 (5.1) |
3,031 (8.4) |
4,983 (6.7) |
Very poor |
149 (0.4) |
134 (0.4) |
283 (0.4) |
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