Table 1 Distribution of breastfeeding outcomes and covariates, overall and by marital status (weighted n = 41,433)
|  | Overall (weighted n = 41433) | Married (weighted n = 28991) | Not married (weighted n = 12442 ) | p-value |
|---|---|---|---|---|
BF initiation |  |  |  | p < .001 |
Yes | 97.8 (40,511) | 98.5 (28564) | 96 (11,947) | Â |
No | 2.2 (922) | 1.5 (427) | 4 (495) | Â |
2 Month BF |  |  |  | p < .001 |
Yes | 77.2 (31,990) | 84.1 (24,382) | 61.2 (7,609) | Â |
No | 22.8 (9,443) | 15.9 (4,609) | 38.8 (4,834) | Â |
4 month BF |  |  |  | p < .001 |
Yes | 68.4 (28,318) | 77.8 (22,552) | 46.3 (5,767) | Â |
No | 31.6 (13,115) | 22.2 (6,439) | 53.7 (6,676) | Â |
6 month BF |  |  |  | p < .001 |
Yes | 66.2 (27,441) | 75.9 (22,014) | 43.6 (5,426) | Â |
No | 33.8 (13,993) | 24.1 (6,976) | 56.4 (7,017) | Â |
Income |  |  |  | p < .001 |
> US$48,000 | 66.3 (27,463) | 81.5 (23,618) | 30.9 (3,845) | Â |
≤US$48,000 | 33.7 (13,970) | 18.5 (5,372) | 69.1 (8,598) |  |
Education |  |  |  | p < .001 |
< High school | 26.2 (10,856) | 16.1 (4,661) | 49.8 (6,195) | Â |
> High school | 73.8 (30,577) | 83.9 (24,329) | 50.2 (6,248) | Â |
Race |  |  |  | p < .001 |
American Indian | 6.3 (2,615) | 22.1 (577) | 77.9 (2,038) | Â |
Other | 11.9 (4,924) | 65.2 (3,211) | 34.8 (1,713) | Â |
White | 81.8 (33,895) | 74.4 (25,203) | 25.6 (8,692) | Â |
Age |  |  |  | p < .001 |
< 20 years | 2.9 (1,211) | 9 (109) | 91 (1,102) |  |
20–35 | 83.4 (34,567) | 70.3 (24,303) | 29.7 (10,263) |  |
35+ | 13.7 (5,656) | 80.9 (4,578) | 19.1 (1,078) | Â |
Insurance |  |  |  | p < .001 |
Yes | 93.9 (41,433) | 96.8 (28,071) | 87.1 (10,832) | Â |
No | 6.1 (2,531) | 3.2 (919) | 12.9 (1,611) | Â |
Chronic disease |  |  |  | p < .001 |
Yes | 21.4 (8,886) | 16.5 (4,780) | 33 (4,105) | Â |
No | 78.6 (32,548) | 83.5 (24,210) | 67 (8,338) | Â |
Pregnancy intention |  |  |  | p < .001 |
Wanted now | 95.7 (39,644) | 97.2 (28,189) | 92.1 (11,455) | Â |
Did not want now | 4.3 (1,789) | 2.8 (801) | 7.9 (988) | Â |
Body Mass Index |  |  |  | p = .049 |
≥35 | 60.7 (25,137) | 59.2 (17,152) | 64.2 (7,985) |  |
<35 | 39.3 (16,297) | 40.8 (11,838) | 35.8 (4,458) | Â |
Substance use prior to pregnancy |  |  |  | p = .24 |
Yes | 75.2 (31,139) | 75.2 (31,139) | 76.9 (9,573) | Â |
No | 24.8 (10,294) | 24.8 (10,294) | 23.1 (2,870) | Â |
≥ 2 ACEs |  |  |  | p < .001 |
Yes | 20.4 (8,449) | 14 (4,053) | 35.3 (4,396) | Â |
No | 79.6 (32,984) | 86 (24,937) | 64.7 (8,047) | Â |
WIC |  |  |  | p < .001 |
Yes | 80.7 (33,449) | 90.1 (26,126) | 58.9 (7,323) | Â |
No | 19.3 (7,985) | 9.9 (2,865) | 41.1 (5,120) | Â |
Infant sleep own bed |  |  |  | p < .001 |
Always | 59.3 (24,571) | 62.9 (18,233) | 50.9 (6,338) | Â |
Almost always | 17.7 (7,327) | 17.8 (5,169) | 17.3 (2,158) | Â |
Sometimes | 9.6 (3,985) | 8.8 (2,553) | 11.5 (1,431) | Â |
Rarely | 5.1 (2,104) | 3.6 (1,043) | 8.5 (1,061) | Â |
Never | 8.3 (3,446) | 6.9 (1,992) | 11.7 (1,454) | Â |