Table 1.
Sociodemographic characteristics of breastfeeding and non-breastfeeding mothers in the CHILD cohort study at 3, 6 and 12 months postpartum
| 3 months | 6 months | 12 months | |||||||
| Breastfeeding women (n = 2540) | Non-breastfeeding women (n = 366) | Breastfeeding women (n = 1984) | Non-breastfeeding women (n = 639) | Breastfeeding women (n = 1180) | Non-breastfeeding women (n = 1413) | ||||
| n (%) | n (%) | p | n (%) | n (%) | p | n (%) | n (%) | p | |
|
Country of birth Canadian-born |
1888 (74%) | 274 (75%) | NS | 1475 (76%) | 509 (80%) | 0.02 | 878 (74%) | 1104 (78%) | 0.02 |
| Foreign-born | 641 (25%) | 86 (23%) | 465 (24%) | 122 (19%) | 296 (25%) | 300 (21%) | |||
| No answer | 11 (0.4%) | 6 (2%) | 8 (0.4%) | 8 (1%) | 6 (1%) | 9 (1%) | |||
|
Age at delivery (yr) <30 |
665 (26%) | 163 (45%) | < 0.001 | 504 (26%) | 250 (39%) | < 0.001 | 261 (22%) | 501 (35%) | < 0.001 |
| 30–35 | 1126 (44%) | 111 (30%) | 861 (44%) | 252 (39%) | 530 (45%) | 577 (41%) | |||
| >35 | 749 (29%) | 83 (23%) | 583 (30%) | 137 (21%) | 389 (33%) | 335 (24%) | |||
|
Education Not completed HS |
665 (26%) | 163 (45%) | < 0.001 | 504 (26%) | 250 (39%) | < 0.001 | 261 (22%) | 501 (35%) | < 0.001 |
| Completed HS | 1126 (44%) | 111 (30%) | 861 (44%) | 252 (39%) | 530 (45%) | 577 (41%) | |||
| Some college/university | 749 (29%) | 83 (23%) | 583 (30%) | 137 (21%) | 389 (33%) | 335 (24%) | |||
| Completed college/university | 665 (26%) | 163 (45%) | 504 (26%) | 250 (39%) | 261 (22%) | 501 (35%) | |||
| Masters/PhD | 1126 (44%) | 111 (30%) | 861 (44%) | 252 (39%) | 530 (45%) | 577 (41%) | |||
| No answer | 749 (29%) | 83 (23%) | 583 (30%) | 137 (21%) | 389 (33%) | 335 (24%) | |||
|
Annual household income <50 K |
266 (10%) | 71 (19%) | < 0.001 | 193 (10%) | 106 (17%) | < 0.001 | 110 (9%) | 187 (13%) | 0.003 |
| 50-100 K | 751 (30%) | 104 (28%) | 596 (31%) | 187 (29%) | 390 (33%) | 401 (28%) | |||
| 100-150 K | 661 (26%) | 83 (23%) | 507 (26%) | 151 (24%) | 308 (26%) | 354 (25%) | |||
| >150 K | 581 (23%) | 58 (16%) | 438 (22%) | 113 (18%) | 238 (20%) | 308 (22%) | |||
| No answer | 277 (11%) | 50 (14%) | 210 (11%) | 82 (13%) | 133 (11%) | 160 (11%) | |||
|
Study Centre Edmonton |
521 (21%) | 109 (30%) | < 0.001 | 401 (21%) | 166 (26%) | < 0.001 | 211 (18%) | 386 (27%) | < 0.001 |
| Toronto | 613 (24%) | 89 (24%) | 436 (22%) | 135 (21%) | 209 (18%) | 300 (21%) | |||
| Vancouver | 661 (26%) | 43 (12%) | 503 (26%) | 82 (13%) | 400 (34%) | 233 (16%) | |||
| Manitoba | 745 (29%) | 125 (34%) | 608 (31%) | 256 (40%) | 360 (31%) | 494 (35%) | |||