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|
Characteristics
|
N
|
Percent
|
Self-perceived health
|
p-value
|
|---|
|
Good (%)
|
Bad (%)
|
|---|
|
Sex
| | | | |
0.142
|
|
Male
|
21,286
|
59.3
|
15,202(71.4)
|
6084(28.6)
| |
|
Female
|
14,616
|
40.7
|
10,334(70.7)
|
4282(29.3)
| |
|
Age (year)
| | | | |
<0.001
|
|
15-29
|
5588
|
15.6
|
4529(81.0)
|
1059(19.0)
| |
|
30-39
|
10,971
|
30.6
|
8370(76.3)
|
2601(23.7)
| |
|
40-49
|
10,488
|
29.2
|
7439(70.9)
|
3049(29.1)
| |
|
50-59
|
6059
|
16.9
|
3790(62.6)
|
2269(37.4)
| |
|
60-
|
2797
|
7.8
|
1408(50.3)
|
1389(49.7)
| |
|
Income (won)
| | | | |
<0.001
|
|
-990,000
|
4150
|
11.6
|
2610(62.9)
|
1540(37.1)
| |
|
1,000,000-1,990,000
|
13,533
|
37.7
|
9455(69.9)
|
4078(30.1)
| |
|
2,000,000-2,990,000
|
10,085
|
28.1
|
7427(73.6)
|
2658(26.4)
| |
|
3,000,000-
|
8134
|
22.7
|
6044(74.3)
|
2090(25.7)
| |
|
Education
| | | | |
<0.001
|
|
Middle school graduation or less
|
3894
|
10.8
|
1989(51.1)
|
1905(48.9)
| |
|
High graduation
|
13,155
|
36.6
|
9222(70.1)
|
3933(29.9)
| |
|
University graduation or more
|
18,853
|
52.5
|
14,325(76.0)
|
4528(24.0)
| |
|
Alcohol
| | | | |
0.249
|
|
No
|
8215
|
22.9
|
5676(69.1)
|
2539(30.9)
| |
|
≤ Once per week
|
18,231
|
50.8
|
13,232(72.6)
|
4999(27.4)
| |
|
≥ Twice per week
|
9456
|
26.3
|
6628(70.1)
|
2828(29.9)
| |
|
Smoking
| | | | |
0.661
|
|
Non-smoker
|
19,613
|
54.8
|
13,939(71.1)
|
5674(28.9)
| |
|
Ex-smoker
|
4037
|
11.2
|
2859(70.8)
|
1178(29.2)
| |
|
Current-smoker
|
12,252
|
34.1
|
8738(71.3)
|
3514(28.7)
| |
|
Occupation
| | | | |
<0.001
|
|
White collar
|
13,776
|
38.4
|
10,547(76.6)
|
3229(23.4)
| |
|
Service, sales worker
|
9846
|
27.4
|
7088(72.0)
|
2758(28.0)
| |
|
Blue collar
|
12,280
|
34.2
|
7902(64.3)
|
4378(35.7)
| |
|
Employment type
| | | | |
<0.001
|
|
Regular
|
28,542
|
79.5
|
21,002(73.6)
|
7540(26.4)
| |
|
Temporary or part-time
|
7360
|
20.5
|
4533(61.6)
|
2827(38.4)
| |
|
Work hours per week (hours)
| | | | |
<0.001
|
|
≤ 45 h
|
16,173
|
45
|
12,089(74.7)
|
4084(25.3)
| |
|
> 45 h
|
19,729
|
55
|
13,447(68.2)
|
6282(31.8)
| |
|
Tenure(years)
| | | | |
0.247
|
|
≥ 1 yr
|
30,672
|
85.4
|
21,781(71.0)
|
8891(29.0)
| |
|
< 1 yr
|
5230
|
14.6
|
3755(71.8)
|
1475(28.2)
| |
|
Shift work
| | | | |
0.001
|
|
No
|
32,533
|
90.6
|
23,225(71.4)
|
9308(28.6)
| |
|
Yes
|
3368
|
9.4
|
2310(68.6)
|
1058(31.4)
| |
|
Workplace scale (person)
| | | | |
0.342
|
|
~99
|
29,253
|
81.5
|
20,708(70.8)
|
8545(29.2)
| |
|
100~999
|
4132
|
11.5
|
3084(74.6)
|
1048(25.4)
| |
|
999~
|
1353
|
3.8
|
1024(75.7)
|
329(24.3)
| |
|
Unknown
|
1163
|
3.2
|
719(61.8)
|
444(38.2)
| |
|
Work at night
| | | | |
<0.001
|
|
No
|
31,278
|
87.1
|
22,537(72.1)
|
8741(27.9)
| |
|
Yes
|
4624
|
12.9
|
2999(64.9)
|
1625(35.1)
| |
|
Work in the evening
| | | | |
<0.001
|
|
No
|
19,283
|
53.7
|
14,074(73.0)
|
5209(27.0)
| |
|
Yes
|
16,619
|
46.3
|
11,462(69.0)
|
5157(31.0)
| |
|
Work on Sundays
| | | | |
<0.001
|
|
No
|
28,035
|
78.1
|
20,336(72.5)
|
7699(27.5)
| |
|
Yes
|
7868
|
21.9
|
5200(66.1)
|
2668(33.9)
| |
|
Work on Saturdays
| | | | |
<0.001
|
|
No
|
15,074
|
42
|
11,205(74.3)
|
3869(25.7)
| |
|
Yes
|
20,827
|
58
|
14,330(68.8)
|
6497(31.2)
| |
|
Working more than 10 h a day
| | | | |
<0.001
|
|
No
|
21,035
|
58.6
|
15,494(73.7)
|
5541(26.3)
| |
|
Yes
|
14,867
|
41.4
|
10,042(67.5)
|
4825(32.5)
| |
|
Total
|
35,902
|
100.0
|
25,536(71.1)
|
10,366(28.9)
| |
- Pearson’s chi-squared test
