Variables | MT1 | MT2 | P | ||
---|---|---|---|---|---|
N | % | N | % | ||
I have been engaged in at least one of the following activities from nos. 1 to 7 after becoming pregnant | |||||
Yes | 13,410 | 14.0 | 11,306 | 11.8 | < 0.0001 |
No | 82,070 | 86.0 | 84,174 | 88.2 | |
1. Lifting objects that weigh more than 20 kg | |||||
Yes | 5078 | 5.3 | 3744 | 3.9 | < 0.0001 |
No | 90,402 | 94.7 | 91,736 | 96.1 | |
2. Exposed to loud noise | |||||
Yes | 3353 | 3.5 | 3597 | 3.8 | < 0.0001 |
No | 92,127 | 96.5 | 91,883 | 96.2 | |
3. Going in and out of commercial refrigerator or freezer | |||||
Yes | 2646 | 2.8 | 2091 | 2.2 | < 0.0001 |
No | 92,834 | 97.2 | 93,389 | 97.8 | |
4. Working in a hot place that makes one sweat | |||||
Yes | 1841 | 1.9 | 1719 | 1.8 | 0.0078 |
No | 93,639 | 98.1 | 93,761 | 98.2 | |
5. Using organic solvent | |||||
Yes | 1508 | 1.6 | 1583 | 1.7 | 0.0288 |
No | 93,972 | 98.4 | 93,897 | 98.3 | |
6. Handling powder dust | |||||
Yes | 810 | 0.8 | 850 | 0.9 | 0.1211 |
No | 94,670 | 99.2 | 94,630 | 99.1 | |
7. Using manufacturing tools with vibration | |||||
Yes | 417 | 0.4 | 565 | 0.6 | < 0.0001 |
No | 95,063 | 99.6 | 94,915 | 99.4 |