Table 3 Associations of education and work status with alcohol use in middle pregnancy according to work status/education
| Â | Alcohol use in middle pregnancy/participants | (%) | Crude | Adjusteda | ||||
|---|---|---|---|---|---|---|---|---|
PR (95% CI) | P-value | PR (95% CI) | P-value | |||||
Educational attainment | ||||||||
 Not working in middle pregnancy (n = 4555) | ||||||||
  High school or lower | 75/1700 | (4.4) | 1.00 |  |  | 1.00 |  |  |
  College | 98/1720 | (5.7) | 1.29 | (0.96–1.73) | 0.087 | 1.21 | (0.90–1.63) | 0.213 |
  University or higher | 68/1135 | (6.0) | 1.36 | (0.99–1.87) | 0.061 | 1.23 | (0.89–1.71) | 0.216 |
 Working in middle pregnancy (n = 7284) | ||||||||
  High school or lower | 154/2051 | (7.5) | 1.00 |  |  | 1.00 |  |  |
  College | 211/2882 | (7.3) | 0.98 | (0.80–1.19) | 0.804 | 0.99 | (0.81–1.22) | 0.932 |
  University or higher | 155/2351 | (6.6) | 0.88 | (0.71–1.09) | 0.236 | 0.89 | (0.71–1.13) | 0.336 |
Work status in middle pregnancy | ||||||||
 High school or lower (n = 3751) | ||||||||
  Not working | 75/1700 | (4.4) | 1.00 |  |  | 1.00 |  |  |
  Working | 154/2051 | (7.5) | 1.70 | (1.30–2.23) | < 0.001 | 1.73 | (1.32–2.26) | < 0.001 |
 College (n = 4602) | ||||||||
  Not working | 98/1720 | (5.7) | 1.00 |  |  | 1.00 |  |  |
  Working | 211/2882 | (7.3) | 1.29 | (1.02–1.62) | 0.034 | 1.31 | (1.04–1.66) | 0.024 |
 University or higher (n = 3486) | ||||||||
  Not working | 68/1135 | (6.0) | 1.00 |  |  | 1.00 |  |  |
  Working | 155/2351 | (6.6) | 1.10 | (0.83–1.45) | 0.497 | 1.05 | (0.78–1.40) | 0.757 |