|
Sociodemographic characteristic
|
Group A
|
Group B
|
Total
|
χ2value
|
P value
|
|---|
| |
Number
|
Percentage (%)
|
Number
|
Percentage (%)
| |
|---|
|
Education level
|
Primary school and lower
|
372
|
98.41
|
6
|
1.59
|
378
| | |
| |
Junior and senior high school
|
626
|
98.12
|
12
|
1.88
|
638
|
14.835
|
0.001
|
| |
Junior college and higher
|
270
|
94.08
|
17
|
5.92
|
287
| | |
|
Total
|
1,268
| |
35
| |
1,303*
| | |
|
Occupation
|
Manual work
|
984
|
96.09
|
40
|
3.91
|
1,024
| | |
| |
Intellectual work
|
569
|
91.63
|
52
|
8.37
|
621
|
15.902
|
<0.001
|
| |
Other**
|
344
|
95.56
|
16
|
4.44
|
360
| | |
|
Total
|
1,897
| |
108
| |
2,005*
| | |
|
Age (years)
|
<35
|
114
|
82.01
|
25
|
17.99
|
139
|
59.602
|
<0.001
|
| |
35–49
|
1,074
|
93.80
|
71
|
6.20
|
1,145
| | |
| |
50–64
|
774
|
97.60
|
19
|
2.40
|
793
| | |
| |
>64
|
198
|
96.12
|
8
|
3.88
|
206
| | |
|
Total
|
2,160
| |
123
| |
2,283
| | |
- * Patients whose data were unavailable are not included in the table. ** Other: Those with occupations that are difficult to classify as manual or intellectual work, namely, housewives, merchants, soldiers, and unemployed individuals.
