Multivariate multinomial logistic regression analysis of factors associated with prenatal psychological symptoms (N=1020)
| Variables | (Profile 2*; n=319) vs (Profile 1†; n=642) | (Profile 3‡; n=59) vs (Profile 1†; n=642) | ||
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Age | 0.98 (0.96, 0.99) | 0.009 | 0.90 (0.87, 0.94) | <0.001 |
| Relationship with partner | ||||
| Close | 0.89 (0.55, 1.43) | 0.630 | 0.14 (0.09, 0.24) | <0.001 |
| Good | 1.37 (0.85, 2.21) | 0.202 | 0.19 (0.11, 0.32) | <0.001 |
| General§ | 1 | – | 1 | – |
| Relationship with mother-in-law | ||||
| Close | 0.71 (0.58, 0.86) | 0.001 | 0.31 (0.22, 0.44) | <0.001 |
| Good | 1.00 (0.83, 1.21) | 0.975 | 0.35 (0.25, 0.50) | <0.001 |
| General§ | 1 | – | 1 | – |
| History of gynaecological diseases | ||||
| Yes | 1.53 (1.32, 1.78) | <0.001 | 0.85 (0.59, 1.21) | 0.364 |
| No§ | 1 | – | 1 | – |
| History of dysmenorrhoea | ||||
| Yes | 1.79 (1.58, 2.03) | <0.001 | 2.20 (1.70, 2.85) | <0.001 |
| No§ | 1 | – | 1 | – |
| Trimester (stage of pregnancy) | ||||
| First (<3 months) | 1.53 (1.29, 1.83) | <0.001 | 2.57 (1.88, 3.53) | <0.001 |
| Second (3–6 months) | 1.20 (1.04, 1.38) | 0.010 | 0.91 (0.67, 1.25) | 0.568 |
| Third (>6 months)§ | 1 | – | 1 | – |
| Unplanned pregnancy | ||||
| Yes | 1.29 (1.14, 1.46) | <0.001 | 1.86 (1.44, 2.41) | <0.001 |
| No§ | 1 | – | 1 | – |
| Severity of vomiting | ||||
| No | 0.41 (0.32, 0.53) | <0.001 | 0.82 (0.49, 1.40) | 0.470 |
| Mild | 0.57 (0.45, 0.72) | <0.001 | 0.77 (0.46, 1.28) | 0.311 |
| Moderate | 0.72 (0.56, 0.91) | 0.006 | 1.18 (0.72, 1.95) | 0.513 |
| Severe§ | 1 | – | 1 | – |
| Abnormal pregnancy indicators | ||||
| Yes | 3.82 (2.52, 5.79) | <0.001 | 5.75 (3.23, 10.23) | <0.001 |
| No§ | 1 | 1 | – | |
Bold values signifies P<0.05.
*Moderate psychological symptom profile.
†Low psychological symptom profile.
‡High psychological symptom profile.
§Reference group.