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Table 7 Average marginal effects from our chosen birth weight models, Z statistics in parentheses

From: A multilevel analysis of prenatal care and birth weight in Kenya

Variable Birth weight (grams)
  Single level multi–level
  model model
Adequate prenatal care 2205.127 2121.26
  (2.18) (1.72)
mother’s age at birth of child -31.156 -19.635
  (-1.56) (-1.04)
Square of mother’s age at birth 0.535 0.358
of child (1.60) (1.13)
Urban residence 114.346 101.094
  (2.99) (2.43)
Primary education 355.392 366.505
  (6.51) (6.45)
Secondary education 648.9 684.583
  (7.97) (7.92)
Higher education 612.633 678.97
  (5.17) (5.38)
Final say on own health care 9.619 -3.928
  (0.31) (-0.12)
First born child 126.843 126.334
  (2.94) (3.02)
Male child 135.188 125.745
  (5.24) (5.14)
Wealth index 166.391 201.448
  (7.15) (7.07)
Selection residual -2071.41 -2292.424
  (-8.87) (-7.79)
Prenatal care residual -352.295 -300.713
  (-1.43) (-1.09)
Interaction of prenatal care with -3991.354 -4037.807
residual (-1.67) (-1.42)
Square of Interaction of prenatal 3075.525 3114.758
care with residual (1.63) (1.40)
Cube of Interaction of prenatal -736.606 -746.803
care with residual (-1.54) (-1.34)
ѱ   181478.556
ρ   0.414
LR test for ρ =0: χ 1 2 (P-value)   114.43 (0.00)
Number of observations 2,741 2,741