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Table 3 Proportion overweight by treatment group and infant age

From: Home-based intervention for non-Hispanic black families finds no significant difference in infant size or growth: results from the Mothers & Others randomized controlled trial

  Distribution of the Outcomes Effects of the Intervention Effects of the Intervention
Accounting for Covariatesa
Obesity Prevention Group Injury Prevention Group OR (95% CI) P OR (95% CI) P
No. (%) No. (%)     
Overweight by WAZb,c
 Birth 1 (0.7) 1 (0.7) 1.09 .95 0.59 .75
 3 months 3 (2.6) 3 (2.6) 1.01 .99 1.45 .78
 6 months 2 (1.9) 5 (4.5) 0.41 .29 1.10 .93
 9 months 9 (8.5) 5 (4.8) 1.84 .29 3.16 .17
 12 months 6 (6.3) 5 (5.1) 1.25 .72 2.16 .39
 15 months 8 (7.9) 7 (7.6) 1.04 .94 1.99 .34
Overweight by WLZc,d
 Birth 2 (1.4) 4 (3.1) 2.19 .37 2.16 .38
 3 months 9 (7.9) 5 (4.4) 1.89 .27 4.95 .16
 6 months 14 (13.2) 8 (7.2) 1.96 .15 2.88 .06
 9 months 15 (14.2) 9 (8.7) 1.74 .22 4.29 .03
 12 months 10 (10.5) 9 (9.2) 1.16 .75 1.51 .56
 15 months 13 (12.9) 9 (9.8) 1.36 .50 1.60 .39
  1. aModels were adjusted for variables found to be significantly associated with the completion of any home visit and included maternal age, pre-pregnancy BMI, and marital status. Each model after birth was also adjusted for breastfeeding, e.g. the 3-month model included a variable for continued breastfeeding at 3 months, the 6-month model included a variable for continued breastfeeding at 6 months, etc. bWeight-for-age Z-score. cWAZ or WLZ ≥2 SD World Health Organization 2006 international growth standards [40]. dWeight-for-length Z-score