TABLE 3.
Linear regression models for boys showing the effects of maternal weight loss on infant weight and length gain from 0 to 24 wk in BAN mother-infant pairs included in the primary analysis of the effects of maternal weight loss on infant growth1
| Weight gain, kg |
Length gain, cm |
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| Crude, n = 673 |
Adjusted, n = 653 |
Crude, n = 667 |
Adjusted, n = 647 |
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| Coefficient | 95% CI | P value | Coefficient | 95% CI | P value | Coefficient | 95% CI | P value | Coefficient | 95% CI | P value | |
| Birth weight or length | −0.20 | (−0.35, −0.04) | 0.01 | −0.15 | (−0.31, 0.01) | 0.06 | −0.42 | (−0.51, −0.34) | <0.001 | −0.43 | (−0.51, −0.35) | <0.001 |
| Maternal weight loss | −0.10 | (−1.12, 0.92) | 0.84 | −0.09 | (−1.14, 0.97) | 0.87 | 1.30 | (−1.30, 3.90) | 0.33 | 1.50 | (−1.15, 4.14) | 0.27 |
| Maternal BMI at 2 wk | 0.03 | (−0.003, 0.07) | 0.08 | 0.02 | (−0.02, 0.06) | 0.27 | 0.07 | (−0.02, 0.16) | 0.13 | 0.06 | (−0.03, 0.15) | 0.20 |
| Maternal weight loss × BMI | 0.01 | (−0.04, 0.05) | 0.79 | 0.01 | (−0.04, 0.05) | 0.82 | −0.06 | (−0.17, 0.05) | 0.30 | −0.07 | (−0.18, 0.05) | 0.26 |
| CD4 <350 cells/mm3 | 0.06 | (−0.08, 0.20) | 0.39 | 0.12 | (−0.24, 0.47) | 0.52 | ||||||
| Fever | −0.03 | (−0.10, 0.04) | 0.37 | 0.16 | (−0.004, 0.33) | 0.06 | ||||||
| Vomiting | −0.01 | (−0.15, 0.12) | 0.83 | −0.38 | (−0.72, −0.05) | 0.03 | ||||||
| Diarrhea | −0.05 | (−0.17, 0.06) | 0.38 | 0.15 | (−0.14, 0.45) | 0.31 | ||||||
| Primiparous | 0.01 | (−0.22, 0.24) | 0.91 | −0.25 | (−0.82, 0.32) | 0.39 | ||||||
| Birth month (ref: September, October, November) | ||||||||||||
| January | −0.12 | (−0.38, 0.14) | 0.36 | −0.76 | (−1.40, −0.11) | 0.02 | ||||||
| February | 0.05 | (−0.20, 0.30) | 0.71 | −0.22 | (−0.85, 0.41) | 0.49 | ||||||
| March | 0.22 | (−0.04, 0.48) | 0.10 | 0.17 | (−0.49, 0.82) | 0.61 | ||||||
| April | −0.03 | (−0.29, 0.23) | 0.80 | −0.21 | (−0.87, 0.45) | 0.54 | ||||||
| May | 0.01 | (−0.22, 0.25) | 0.92 | 0.17 | (−0.42, 0.77) | 0.57 | ||||||
| June | −0.11 | (−0.36, 0.14) | 0.40 | −0.26 | (−0.89, 0.37) | 0.42 | ||||||
| July | 0.30 | (0.06, 0.55) | 0.02 | 0.30 | (−0.33, 0.92) | 0.35 | ||||||
| August | 0.17 | (−0.09, 0.42) | 0.20 | 0.50 | (−0.15, 1.15) | 0.13 | ||||||
| December | 0.03 | (−0.22, 0.28) | 0.80 | −0.20 | (−0.82, 0.43) | 0.54 | ||||||
| Married | 0.17 | (−0.06, 0.39) | 0.15 | 0.12 | (−0.46, 0.69) | 0.69 | ||||||
| Education | 0.0005 | (−0.13, 0.13) | 0.99 | 0.31 | (−0.02, 0.64) | 0.07 | ||||||
| Maternal ARV intervention | −0.13 | (−0.29, 0.04) | 0.12 | −0.59 | (−1.00, −0.18) | 0.01 | ||||||
| Maternal LNS intervention | 0.07 | (−0.06, 0.19) | 0.29 | −0.03 | (−0.35, 0.29) | 0.88 | ||||||
| Infant ARV intervention | −0.07 | (−0.23, 0.09) | 0.42 | −0.25 | (−0.65, 0.15) | 0.22 | ||||||
| Intercept | 4.16 | (3.29, 5.02) | <0.001 | 4.16 | (3.23, 5.09) | <0.001 | 35.04 | (30.75, 39.34) | <0.001 | 35.48 | (31.04, 39.91) | <0.001 |
1
ARV, antiretroviral drug; BAN, Breastfeeding, Antiretrovirals, and Nutrition; LNS, lipid-based nutrient supplement.