|
Variables
|
Frequency
|
%
|
|---|
|
Age (years)
|
< 50
|
591
|
37.4
|
|
≥50
|
990
|
62.6
|
|
Subjective physical loading
|
Low or slightly hard
|
252
|
16.0
|
|
Hard
|
650
|
41.2
|
|
Very hard
|
676
|
42.8
|
|
Present illness
|
No
|
1417
|
89.6
|
|
Yes
|
164
|
10.4
|
|
Injury experience
|
No
|
1186
|
75.0
|
|
Yes
|
395
|
25.0
|
|
Frequency of meal service
|
1
|
1179
|
74.6
|
|
2–3
|
402
|
25.4
|
|
Career (years)
|
~ 9
|
635
|
40.3
|
|
10~19
|
864
|
54.9
|
|
≥20
|
75
|
4.8
|
|
Type of job
|
Chefs (manager)
|
263
|
16.6
|
|
Cooks or assistants
|
1318
|
83.4
|
|
Job control
|
Yes
|
591
|
37.6
|
|
No
|
982
|
62.4
|
|
Household work (hours)
|
< 2
|
1052
|
66.7
|
|
≥2
|
526
|
33.3
|
|
Working hour
|
< 48
|
1285
|
81.3
|
|
≥48
|
296
|
18.7
|
|
Type of school
|
High
|
467
|
29.5
|
|
Middle
|
358
|
22.6
|
|
Elementary
|
756
|
47.8
|
|
Total
|
1581
|
100.0
|
