Table 3.
Odds Ratios for Logistic Regressions of Breast Feeding Behaviors on Three-Generation Coresidence
| Ever Breastfed | Breastfed 6 months or more | |||||||
|---|---|---|---|---|---|---|---|---|
| ECLS-B | FFCWB | ECLS-B | FFCWB | |||||
| Odds Ratio | 95% CI | Odds Ratio | 95% CI | Odds Ratio | 95% CI | Odds Ratio | 95% CI | |
| Three-Generation | 0.94 | 0.75, 1.16 | 0.81* | 0.68, 0.98 | 0.62** | 0.46, 0.84 | 0.66** | 0.51, 0.86 |
| Race/Ethnicity | ||||||||
| Black | 0.64*** | 0.53, 0.79 | 0.58*** | 0.47, 0.72 | 0.76* | 0.58, 0.99 | 0.97 | 0.74, 1.29 |
| Hispanic | 1.20 | 0.96, 1.49 | 0.80+ | 0.62, 1.04 | 0.72* | 0.55, 0.94 | 0.95 | 0.68, 1.32 |
| Asian | 0.58*** | 0.43, 0.77 | - | - | 0.58*** | 0.44, 0.77 | - | - |
| Native American | 0.80 | 0.53, 1.21 | - | - | 1.08 | 0.69, 1.72 | - | - |
| Other | 0.91 | 0.59, 1.39 | 0.69 | 0.42, 1.11 | 1.46 | 0.89, 2.38 | 0.61* | 0.38, 0.99 |
| Education | ||||||||
| Less than HS | 0.63*** | 0.53, 0.76 | 0.81* | 0.98, 0.97 | 1.07 | 0.84, 1.36 | 1.07 | 0.82, 1.40 |
| Some college | 1.54*** | 1.31, 1.80 | 1.77*** | 1.47, 2.14 | 1.23+ | 1.00, 1.53 | 1.25+ | 0.96, 1.61 |
| College up | 3.34*** | 2.55, 4.38 | 2.84*** | 2.03, 3.97 | 1.93*** | 1.50, 2.49 | 2.02*** | 1.43, 2.87 |
| Relationship Status | ||||||||
| Married | 1.34* | 1.07, 1.68 | 1.60*** | 1.27, 2.02 | 1.42** | 1.10, 1.83 | 1.30+ | 0.97, 1.73 |
| Cohabiting | 1.20 | 0.92, 1.57 | 1.10 | 0.93, 1.30 | 1.15 | 0.85, 1.54 | 0.92 | 0.72, 1.18 |
| Other Mother Characteristics | ||||||||
| Age at birth | 1.00 | 0.98, 1.01 | 0.99+ | 0.97, 1.00 | 1.03*** | 1.01, 1.05 | 1.01 | 0.99, 1.03 |
| Immigrant | 3.02*** | 2.34, 3.90 | 4.22*** | 3.20, 5.57 | 1.87*** | 1.49, 2.33 | 2.16*** | 1.64, 2.83 |
| Fair/poor health | 0.90 | 0.74, 1.11 | 0.86 | 0.66, 1.13 | 0.67* | 0.49, 0.92 | 1.1 | 0.75, 1.60 |
| Prenatal care 1st trimester | 1.20+ | 1.00, 1.44 | 1.23* | 1.03, 1.46 | 0.80+ | 0.63, 1.01 | 0.86 | 0.66, 1.11 |
| Smoked during pregnancy | 0.70** | 0.55, 0.90 | 0.67*** | 0.56, 0.81 | 0.52** | 0.35, 0.77 | 0.62** | 0.45, 0.85 |
| Work year prior birth | 0.86* | 0.74, 0.99 | 1.22* | 1.02, 1.45 | 0.81* | 0.68, 0.96 | 0.93 | 0.73, 1.17 |
| Poverty | 1.10 | 0.94, 1.28 | 0.86+ | 0.73, 1.01 | 0.90 | 0.72, 1.12 | 0.93 | 0.73, 1.19 |
| WIC | 0.71*** | 0.59, 0.86 | 0.97 | 0.81, 1.16 | 0.72*** | 0.59, 0.87 | 0.84 | 0.66, 1.06 |
| Large household size | 0.90 | 0.73, 1.09 | 1.11 | 0.93, 1.32 | 1.33** | 1.10, 1.60 | 1.03 | 0.81, 1.32 |
| Child Characteristics | ||||||||
| First birth | 1.25** | 1.07, 1.47 | 1.26** | 1.07, 1.48 | 0.96 | 0.79, 1.17 | 0.69*** | 0.56, 0.85 |
| Age in months | 1.00 | 0.97, 1.03 | 0.97* | 0.94, 1.00 | 0.98 | 0.95, 1.02 | 1.00 | 0.96, 1.05 |
| Low birth weight | 0.78** | 0.65, 0.94 | 0.81+ | 0.64, 1.02 | 0.67*** | 0.55, 0.80 | 0.54** | 0.36, 0.80 |
| Region | ||||||||
| Northwest | 1.29* | 1.03, 1.61 | - | - | 1.07 | 0.87, 1.33 | - | - |
| South | 1.08 | 0.86, 1.35 | - | - | 0.88 | 0.71, 1.08 | - | - |
| West | 2.29*** | 1.80, 2.93 | - | - | 1.68*** | 1.35, 2.10 | - | - |
| Urban | 1.35** | 1.13, 1.61 | - | - | 0.92 | 0.71, 1.21 | - | - |
| Constant | 0.94 | 0.48, 1.83 | 4.97*** | 2.27, 10.90 | 0.38** | 0.19, 0.74 | 0.51 | 0.19, 1.40 |
| N | 8,250 | 4053 | 5,500 | 2295 | ||||
Note. Omitted categories: white, high school, single, Northeast. FFCWB models include 19 dummy variables for city of residence at baseline interview – coefficients not shown. Sample restricted to singleton births.
***
p<0.001,
**
p<0.01,
*
p<0.05,
+
p<0.10