TABLE 2.
The association between demographic characteristics, pre-pregnancy body mass index (BMI) and mental health symptoms/resilience (predictors), and dietary change.
| Predictors | Unadjusted model† |
Adjusted model‡ |
||||
| OR | 95% CI | P | OR | 95% CI | P | |
| Age | 1.00 | 0.99, 1.01 | 0.780 | − | − | − |
| Gestational age at survey | 1.00 | 0.99, 1.00 | 0.934 | − | − | − |
| Pre-pregnancy BMI | 1.21 | 1.16, 1.26 | < 0.001* | 1.19 | 1.13, 1.25 | < 0.001* |
| Fear of COVID-19 | 1.41 | 1.35, 1.48 | < 0.001* | 1.15 | 1.08, 1.22 | < 0.001* |
| Depression z-scores | 1.54 | 1.47, 1.61 | < 0.001* | 1.26 | 1.16, 1.38 | < 0.001* |
| Anxiety z-scores | 1.51 | 1.45, 1.58 | < 0.001* | 1.14 | 1.04, 1.24 | 0.003* |
| Resilience z-scores | 0.84 | 0.80, 0.87 | < 0.001* | 0.99 | 0.94, 1.04 | 0.745 |
| Ethnicity | 1.43 | 1.28, 1.60 | < 0.001* | 1.33 | 1.15, 1.54 | < 0.001* |
| Education | 0.95 | 0.92, 0.98 | 0.002* | 1.02 | 0.97, 1.06 | 0.432 |
| Household income | 1.04 | 0.40, 2.72 | 0.929 | − | − | − |
| Job loss | 1.43 | 1.28, 1.60 | < 0.001* | 1.29 | 1.12, 1.49 | < 0.001* |
| Income change | 1.16 | 1.11, 1.22 | < 0001* | 0.98 | 0.91, 1.04 | 0.486 |
| Food insecurity | 1.56 | 1.34, 1.80 | < 0.001* | 1.11 | 0.88, 1.38 | 0.341 |
| Self-isolation | 1.46 | 1.35, 1.58 | < 0.001* | 1.20 | 1.09, 1.33 | < 0.001* |
| Phase of the pandemic at study enrolment | 0.91 | 0.89, 0.93 | < 0.001* | 0.90 | 0.88, 0.93 | < 0.001* |
†Results based on Univariable logistic regression.
‡Results based on Multivariable logistic regression including only the predictors with significant results from the Univariable logistic regression models.
*Significant after Benjamini-Hochberg correction.