Table 3.
CV event risk of bus drivers by occupational factors
| |
|
CV event risk |
|
P-value |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Low | Medium | High | Total | |||||||
| Employed type |
|
|
|
|
|
|
|
|
|
|
| |
Regular |
158 |
(45.9) |
149 |
(43.3) |
37 |
(10.8) |
344 |
(100.0) |
0.044 |
| |
Irregular |
40 |
(44.9) |
31 |
(34.8) |
18 |
(20.2) |
89 |
(100.0) |
|
| Shift Pattern |
|
|
|
|
|
|
|
|
|
|
| |
Double |
155 |
(46.5) |
145 |
(43.5) |
33 |
(9.9) |
333 |
(100.0) |
0.005 |
| |
Alternate |
43 |
(43.0) |
35 |
(35.0) |
22 |
(22.0) |
100 |
(100.0) |
|
| PDAR |
|
|
|
|
|
|
|
|
|
|
| |
<0.5 |
127 |
(49.8) |
104 |
(40.8) |
24 |
(9.4) |
255 |
(100.0) |
0.022 |
| ≥0.5 | 71 | (39.9) | 76 | (42.7) | 31 | (17.4) | 178 | (100.0) | ||
*p-value were tested by chi-square test.
PDAR, professional driving duration/age ratio.
Cardiovascular disease event as stroke or myocardial infarction.
High; both metabolic syndrome and CHD risk equivalent, Medium; one of the two, Low; neither metabolic syndrome nor CHD risk equivalent.