Predictors for intending to breastfeed and breast feeding at follow-up
| Intention to breastfeed | Breast feeding at follow-up | |||
| Univariate | Multivariate* | Univariate | Multivariate* | |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Maternal diagnosis† | ||||
| SLE | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | – |
| UCTD | 3.75 (1.21 to 11.66) | 3.04 (0.93 to 9.99) | 2.82 (1.11 to 7.19) | – |
| Arthritis | 3.18 (1.55 to 6.51) | 2.82 (1.27 to 6.24) | 1.75 (0.96 to 3.19) | – |
| Rare rheumatic diseases | 2.33 (0.96 to 5.63) | 2.20 (0.83 to 5.83) | 1.21 (0.58 to 2.53) | – |
| Maternal demographics | ||||
| Race: black | 0.30 (0.16 to 0.57) | – | 0.40 (0.22 to 0.73) | – |
| College graduate† | 3.39 (1.83 to 6.30) | 3.03 (1.52 to 6.01) | 4.14 (2.35 to 7.29) | – |
| Age | 1.05 (1.00 to 1.11) | – | 1.10 (1.05 to 1.16) | 1.12 (1.05 to 1.19) |
| Income ≥$50 000 | 2.34 (1.22 to 4.52) | – | 3.58 (2.02 to 6.37) | – |
| Married/living with partner | 1.56 (0.70 to 3.47) | – | 3.40 (1.63 to 7.08) | – |
| Private or military insurance | 2.31 (1.16 to 4.56) | – | 3.42 (1.80 to 6.49) | – |
| Health of the baby | ||||
| Preterm baby | – | – | 0.41 (0.22 to 0.75) | 0.31 (0.13 to 0.70) |
| NICU | – | – | 0.35 (0.18 to 0.67) | – |
| Feeding plan during pregnancy | ||||
| Plan to breastfeed | – | – | 7.18 (3.71 to 13.9) | 8.29 (3.70 to 18.6) |
| Plan to use formula or unsure | – | – | 1.0 (ref) | 1.0 (ref) |
| Follow-up visit timing | ||||
| Weeks postpartum at visit | – | – | 0.93 (0.88 to 0.98) | 0.93 (0.87 to 1.00) |
| Postpartum disease activity | ||||
| Moderate or severe activity | – | – | 0.41 (0.23 to 0.72) | – |
*Backward regression was used to determine the final predictive model, with variables with p values <0.05 retained in the final model.
†Indicates p value <0.05.
NICU, neonatal intensive care unit; UCTD, undifferentiated connective tissue disease.