Table 3.
Bivariate Associations Between WAZ, LAZ, and WLZ at Previous Visit and Weaning/Discontinuation of Exclusive Breastfeeding at Subsequent Visit in the PROBIT Cohort Recruited in Belarus in 1996–1997
| Anthropometry Category | % Weaned |
% Discontinued Exclusive Breastfeeding |
||||||||
| 1 month | 2 months | 3 months | 6 months | 9 months | 12 months | 1 month | 2 months | 3 months | 6 months | |
| WAZ | *** | *** | *** | *** | *** | * | ||||
| <−1 | 9.9 | 20.9 | 23.1 | 42.4 | 28.9 | 32.1 | 47.4 | 41.6 | 36.8 | 87.1 |
| −1 to 1 | 8.5 | 15.0 | 16.9 | 35.4 | 31.2 | 26.2 | 45.1 | 34.8 | 30.0 | 85.9 |
| >1 | 8.9 | 10.4 | 12.4 | 27.2 | 31.2 | 25.9 | 47.5 | 26.2 | 26.0 | 81.5 |
| LAZ | *** | *** | ** | |||||||
| <−1 | 12.6 | 18.7 | 17.8 | 38.0 | 30.4 | 26.3 | 44.5 | 36.0 | 32.4 | 84.3 |
| −1 to 1 | 9.0 | 15.3 | 17.9 | 34.7 | 31.4 | 26.7 | 43.5 | 35.2 | 30.5 | 86.0 |
| >1 | 8.4 | 13.5 | 15.7 | 34.9 | 30.5 | 24.3 | 47.4 | 31.5 | 28.8 | 84.8 |
| WLZ | *** | *** | *** | *** | *** | * | * | |||
| <−1 | 8.4 | 17.0 | 20.0 | 41.1 | 33.6 | 29.0 | 48.9 | 37.4 | 33.3 | 87.2 |
| −1 to 1 | 9.0 | 14.7 | 17.7 | 34.9 | 31.3 | 26.4 | 42.4 | 33.9 | 30.1 | 85.7 |
| >1 | 7.8 | 11.8 | 13.2 | 29.6 | 30.3 | 25.7 | 41.3 | 29.3 | 29.2 | 83.1 |
Abbreviations: LAZ, length-for-age z score; PROBIT, Promotion of Breastfeeding Intervention Trial; WAZ, weight-for-age z score; WLZ, weight-for-length z score.
* P < 0.05; **P < 0.01; ***P < 0.001 based on χ2 test for trend.