Table 4 Binary logistic regression analysis of the factors associated with physical inactivity
From: Factors influencing physical inactivity status among chinese pregnant women: a cross-sectional study
Variables | B | ORa | 95% CIb | P value |
|---|---|---|---|---|
Age (years) | ||||
  < 25 | — | 1.000 | (reference) | — |
 25–29 | 0.299 | 1.348 | 0.771–2.358 | 0.295 |
 30–34 | 0.359 | 1.432 | 0.819–2.502 | 0.208 |
  ≥ 35 | 0.323 | 1.381 | 0.750–2.544 | 0.300 |
level of education | ||||
 High school or less | — | 1.000 | (reference) | — |
 College | –0.148 | 0.862 | 0.570–1.301 | 0.481 |
 Professional or graduate | 0.024 | 1.024 | 0.655–1.594 | 0.916 |
Personal monthly incomed | ||||
  < ¥10,000 | — | 1.000 | (reference) | — |
  ≥ ¥10,000 | –0.434 | 0.648 | 0.505–0.831 | 0.001 c |
Regular exercise before pregnancy | ||||
 Yes | –0.554 | 0.575 | 0.464–0.711 |  < 0.001 c |
Alcohol drinking before pregnancy | ||||
 Yes | 0.232 | 1.261 | 0.885–1.798 | 0.199 |
Pre-pregnancy body mass index | ||||
 Underweight | — | 1.000 | (reference) | — |
 Normal weight | 0.028 | 1.029 | 0.756–1.399 | 0.857 |
 Overweight | –0.294 | 0.745 | 0.503–1.103 | 0.142 |
 Obese | 0.146 | 1.157 | 0.603–2.219 | 0.661 |
History of spontaneous abortions | ||||
 Yes | –0.013 | 0.930 | 0.738–1.319 | 0.930 |
Current stage of pregnancy | ||||
 First trimester: ≤ 13 + 6 weeks | — | 1.000 | (reference) | — |
 Second trimester:14–27 + 6 weeks | –0.627 | 0.534 | 0.411–0.693 |  < 0.001 c |
 Third trimester: ≥ 28 weeks | –0.485 | 0.615 | 0.470–0.806 |  < 0.001 c |
Nausea and vomiting during pregnancy | ||||
 Yes | 0.268 | 1.307 | 1.002–1.705 | 0.049 c |
Poor prenatal sleep quality | ||||
 Yes | –0.199 | 1.220 | 0.984–1.513 | 0.069 |