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Table 3 Odds ratios (95 % CI) to identify factors for newborn dried blood spots not being collected among infants with parental consent in Upstate KIDS, New York (2008–2010)

From: Eliciting parental support for the use of newborn blood spots for pediatric research

N (collected/not collected) 3782 (3173/609)a  
  Crude OR for not collected aOR (95 % CI)
Multiple birth 1.21 (1.01, 1.44) 1.05 (0.85, 1.31)
Private insurance 0.82 (0.68, 0.98) 0.97 (0.78, 1.20)
Maternal race/ethnicity   
Non-hispanic white 1.00 (reference) 1.00 (reference)
Non-hispanic Black 0.68 (0.39, 1.20) 0.61 (0.35, 1.06)
Non-hispanic Asian 0.99 (0.61, 1.60) 1.03 (0.64, 1.67)
Hispanic 1.39 (1.00, 1.93) 1.20 (0.86, 1.67)
Mixed race or ethnicity / Other 0.95 (0.66, 1.36) 0.92 (0.65, 1.31)
Maternal education   
Less than high school 1.78 (1.31, 2.42) 1.68 (1.19, 2.37)
HS or GED equivalent 1.20 (0.92, 1.57) 1.19 (0.90, 1.59)
Some college 1.03 (0.84, 1.27) 1.03 (0.83, 1.27)
College 0.78 (0.62, 0.99) 0.77 (0.61, 0.98)
Advanced degree 1.00 (reference) 1.00 (reference)
NICU 1.44 (1.21, 1.71) 1.33 (1.05, 1.67)
Ventilator (any) 1.28 (1.03, 1.60) 1.18 (0.93, 1.50)
Preterm (<37 weeks) 1.27 (1.05, 1.53) 0.93 (0.70, 1.23)
Low birth weight (<2500 g) 1.27 (1.08, 1.49) 1.14 (0.92, 1.42)
  1. a 2 missing insurance status