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Table 5 The effect of the birth weight (categorical variable) on the probability of obesity. Stratified by household income. Results for the full sample and for sibling fixed effects analysis

From: Variation in the relationship between birth weight and subsequent obesity by household income

  Full sample Sibling fixed effects
Coef. t Coef. t
All
 High birth weight 0.0525 9.58 0.0358 3.63
 Low birth weight -0.0127 -1.02 -0.0316 -1.39
Low income
 High birth weight 0.0709 6.03 0.0556 2.7
 Low birth weight -0.0246 -1.17 -0.0203 -0.56
Medium income
 High birth weight 0.0507 5.33 0.0411 2.4
 Low birth weight -0.0159 -0.69 0.0027 0.06
High income
 High birth weight 0.0454 5.78 0.0177 1.23
 Low birth weight -0.0051 -0.24 -0.0750 -1.94
  1. Covariates: birth order; maternal age at delivery; whether or not the child was born prematurely; and, the child’s age interacted with gender