Table 4.
Age Adjusted and Multivariate Odds Ratios (OR) and (95% CI) for Life-Course Characteristics in Relation to Breastfeeding Duration
| Life-Course Characteristics | ≤ 3 months No. (%) | 3–5 months No. (%) | ≥6 months No. (%) | 3–5 vs. ≤3, Multivariate2 OR (95% CI) | ≥6 vs. ≤3, Multivariate2 OR (95% CI) |
|---|---|---|---|---|---|
| Nativity Self | |||||
| US | 509 (94.8) | 465 (89.9) | 1018 (92.2) | 0.55 [0.33, 0.90] | 0.66 [0.42, 1.05] |
| Other | 28 (5.2) | 52 (10.1) | 86 (7.8) | Reference | Reference |
| Nativity Mother | |||||
| US | 474 (88.6) | 423 (82.3) | 950 (86.4) | 0.66 [0.45, 0.97] | 0.84 [0.60, 1.20] |
| Other | 61 (11.4) | 91 (17.7) | 150 (13.6) | Reference | Reference |
| Nativity Father | |||||
| US | 470 (88.5) | 423 (83.4) | 951 (86.7) | 0.72 [0.49, 1.06] | 0.84 [0.59, 1.20] |
| Other | 61 (11.5) | 84 (16.6) | 146 (13.3) | Reference | Reference |
| Neighborhood Racial Segregation up to age 18 | |||||
| Predominately White | 53 (9.8) | 58 (11.3) | 183 (16.6) | Reference | Reference |
| Predominately Black | 324 (60.0) | 308 (60.2) | 583 (52.7) | 0.97 [0.64, 1.47] | 0.71 [0.50, 1.00] |
| Mixed/Other | 163 (30.2) | 146 (28.5) | 340 (30.7) | 0.91 [0.58, 1.41] | 0.76 [0.52, 1.11] |
| Neighborhood Racial Segregation as of 1999 | |||||
| Predominately White | 78 (15.2) | 74 (15.0) | 248 (24.0) | Reference | Reference |
| Predominately Black | 148 (28.9) | 150 (30.3) | 255 (24.7) | 1.26 [0.82, 1.93] | 0.84 [0.58, 1.20] |
| Mixed/Other | 288 (56.0) | 271 (54.8) | 529 (51.3) | 1.07 [0.74, 1.55] | 0.71 [0.52, 0.97] |
1
Adjusted for age, BMI, years of education, marital status, geographic region, neighborhood SES index, occupation