Table 3. BF pattern at 3 months of age according to maternal demographic, socio-economic, reproductive and behavioral characteristics, and to child characteristics at birth (2004 Cohort Pelotas, Brazil).
| Co-variables | N (%) |
Breastfeeding pattern at 3 months of age |
P-value | |||
|---|---|---|---|---|---|---|
| Weaned N (%) | Partial N (%) | Predominant N (%) | Exclusive N (%) | |||
| Total | 4011 | 1044 (26.0) | 1157 (28.8) | 726 (18.1) | 1084 (27.0) | |
| Pre-pregnancy BMI | ||||||
| Underweight | 181 (4.8) | 55 (30.4) | 55 (30.4) | 33 (18.2) | 38 (21.0) | <0.001 |
| Normal weight | 2286 (60.9) | 542(23.7) | 683 (29.9) | 408 (17.9) | 653 (28.6) | |
| Overweight | 877 (23.3) | 222 (25.3) | 235 (26.8) | 177 (20.2) | 243 (27.7) | |
| Obesity | 413 (10.9) | 142 (34.6) | 102 (24.7) | 64 (15.5) | 104 (25.2) | |
| GWG (IOM) | ||||||
| Insufficient | 1131 (30.4) | 296 (26.2) | 352 (31.1) | 198 (17.5) | 285 (25.2) | 0.07 |
| Sufficient | 1355 (36.4) | 334 (24.7) | 386 (28.5) | 241 (17.8) | 394 (29.1) | |
| Excessive | 1237 (33.2) | 324 (26.2) | 321 (26.0) | 241 (19.5) | 351 (28.4) | |
Abbreviations: BMI, body mass index; GWG, gestational weight gain; IOM, Institute of Medicine. P-value: χ2-test.