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Table 2 Demographic characteristics

From: Racial discrepancies in the association between paternal vs. maternal educational level and risk of low birthweight in Washington State

  No missing data (N = 264789) Any missing data (N = 82297)
Maternal Age: mean (std) * 28.3 (5.4) 26.8 (5.7)
Maternal Education: mean (std) * 13.3 (2.6) 11.8 (2.7)
Maternal Race: (N, %) *   
   White 219455 (82.9%) 46483 (64.3%)
   Black 6078 (2.3%) 5647 (7.8%)
   Asian & Pacific Islander 16072 (6.1%) 6378 (8.8%)
   Hispanic 19271 (7.3%) 11081 (15.3%)
   Native American & other 3913 (1.5%) 2742 (3.8%)
Paternal Age: mean (std) * 30.7 (6.1) 30.4 (6.7)
Paternal Education: mean (std) * 13.4 (2.7) 12.8 (3.9)
Paternal Race: (N, %) *   
   White 217539 (82.2%) 25572 (60.1%)
   Black 9615 (3.6%) 3644 (8.6%)
   Asian & Pacific Islander 13184 (5.0%) 4098 (9.6%)
   Hispanic 20625 (7.8%) 8267 (19.4%)
   Native American & other 3826 (1.4%) 944 (2.2%)
Married mother: (N, %) * 238092 (89.9%) 37213 (45.2%)
LBW at delivery: (N, %) * 9337 (3.5%) 5202 (6.3%)
  1. Demographic characteristics and rate of low birthweight at delivery for births with and without missing data. N = number of births; std = standard deviation. LBW = low birthweight. * P < 0.001