Table 5.
Adjusted OR for associations between total HEI score in each trimester and GWG stratified by pre-pregnancy BMI.
| Diet Quality | Inadequate GWG | Excessive GWG | ||
|---|---|---|---|---|
| aOR [95% CI] | p-Value | aOR [95% CI] | p-Value | |
| Non-overweight/obese (n = 304) | ||||
| Total HEI | ||||
| 1st trimester | 1.01 [0.98–1.03] | 0.74 | 1.02 [0.99–1.05] | 0.34 |
| 2nd trimester | 0.97 [0.95–0.99] | 0.01 * | 0.99 [0.96–1.02] | 0.44 |
| 3rd trimester | 0.99 [0.97–1.01] | 0.27 | 1.04 [1.01–1.07] | 0.03 * |
| Overweight/obese (n = 176) | ||||
| Total HEI | ||||
| 1st trimester | 1.01 [0.97–1.04] | 0.69 | 0.99 [0.97–1.03] | 0.95 |
| 2nd trimester | 1.00 [0.96–1.03] | 0.82 | 1.04 [1.01–1.07] | 0.02 * |
| 3rd trimester | 1.01 [0.97–1.05] | 0.50 | 1.04 [1.01–1.08] | 0.02 * |
Note. aOR- adjusted odds ratio and 95% CI. Adequate GWG was used as reference group. Adjusted by age, years of education, parity, and physical activity level (MET-hours/week). * p < 0.05.