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Table 2 Marginal effect of independent variables on the probability of expenditure on health care for children (N = 7308). The 2004 Pelotas Birth Cohort. Pelotas, Brazil

From: Determinants of out-of-pocket health expenditure on children: an analysis of the 2004 Pelotas Birth Cohort

  Marginal effect – Probability  
  Medicine Medical care Laboratory tests and x-rays Private health insurance
Family income 0.0551a 0.0120b −0.0014 + 0.0047 +
Maternal education (at child’s birth) 0.0136a 0.0034b 0.0006 + 0.0057b
Number of hospital visits 0.0490a - 0.0050 + 0.0008 + 0.0073 +
Number of people living in the household −0.0201a −0.0055b −0.0010 + −0.0001 +
Maternal age 0.0189a 0.0014 + −0.0048b 0.0060 +
Squared maternal age −0.0003a −0.0001 + 0.0001b −0.0001 +
Child’s weight −0.0078a −0.0042a −0.0008 + 0.0020a
Head of household – father −0.0111 + 0.0122 + 0.0106 + −0.0183 +
Head of household – mother −0.0393c −0.0020 + 0.0110 + 0.0057+
Private health insurance 0.0791a 0.0207b 0.0095c -
Healthy mother −0.0292b −0.0121 + −0.0099c −0.0135 +
Healthy child −0.1972a −0.0239c −0.0029 + −0.0051 +
Birth weight (standardized) 0.0105c −0.0011 + −0.0010 + 0.0091 +
  1. Total of 7308 observations; 2436 observations over the three follow-ups examined (2436 × 3)
  2. Significance achieved with a z-test
  3. aIndicates significance at 1 %; bat 5 %; cat 10 %; and + indicates the variable is not significant even at 10 %