EI Enrollment by Fertility Status and Infant and Maternal Characteristics: Massachusetts Singleton Births, July 1, 2004, to December 31, 2008

Prevalence, %
ART (n = 1206 of 6447)Subfertile (n = 960 of 5515)Fertile (n = 50403 of 318 305)
Overall EI enrollment18.717.416.5
Infant characteristics
 Abnormal conditions of newborn
Maternal characteristics
  <30 years16.514.517.7
  30 to <35 years17.517.814.7
  35 to <40 years19.817.615.8
  40 to <45 years18.817.717.0
  ≥45 years22.225.520.7
  White non-Hispanic18.717.615.7
  Black non-Hispanic20.215.217.7
  Asian/Pacific Islander16.312.411.3
  Other non-Hispanic19.213.215.6
 Marital status
  Not married19.019.320.8
  Less than or no HS/GED20.719.120.0
  Some college/associate degree20.119.916.3
 Delivery payer source
 Cigarettes during pregnancy
 Prenatal care
  Adequate plus21.418.718.5
 Complications of labor delivery and risk factors
  • HS/GED, high school/general educational development.