|
Variable
| |
N (%)
|
Mean ± SD
|
p-value
|
|---|
|
Gender
|
Men
|
768 (79.8)
|
26.25 ± 7.65
|
< 0.01
|
|
Women
|
194 (20.2)
|
22.61 ± 7.15
| |
|
Marriage
|
Single
|
530 (53.5)
|
24.59 ± 7.39
|
0.01
|
|
Married
|
461 (46.5)
|
26.25 ± 7.97
| |
|
Age (years)
|
< 20
|
17 (1.7)
|
22.77 ± 8.59
|
0.01
|
|
20–29
|
299 (30.5)
|
24.74 ± 7.82
| |
|
30–39
|
420 (42.9)
|
25.23 ± 8.04
| |
|
40–49
|
190 (19.4)
|
27.10 ± 6.85
| |
|
50–59
|
49 (5.0)
|
26.69 ± 6.47
| |
|
Education
|
Less than high school
|
413 (42.2)
|
24.91 ± 8.05
|
0.04
|
|
College
|
308 (31.5)
|
24.44 ± 7.28
| |
|
University
|
258 (26.4)
|
26.47 ± 7.47
| |
|
Salary (US dollar/month)
|
< 2000
|
345 (38.4)
|
23.78 ± 8.14
|
< 0.01
|
|
2000–3000
|
371 (41.3)
|
26.06 ± 7.13
| |
|
≥ 3000
|
183 (20.4)
|
26.70 ± 7.24
| |
