Table 4. Independent Associations of Perinatal, Neonatal, and Sociodemographic Variables With Use of More than 5 Services From Initial Hospital Discharge to 18 to 22 Months’ Corrected Age.

Rick Factor	Adjusted Odds Ratio (95% Confidence Interval)
Gestational age, per wk	0.98 (0.89-1.08)
Birth weight, per 100 g	1.02 (0.93-1.11)
Male sex	1.38 (1.14-1.68)
Multiple gestation	1.05 (0.83-1.33)
Race/ethnicity
White vs black	0.87 (0.66-1.14)
Hispanic vs black	1.12 (0.76-1.65)
Any surfactant therapy	0.73 (0.56-0.97)
Cystic periventricular leukomalacia or grade 3-4 intraventricular hemorrhage	0.83 (0.65-1.07)
Postnatal corticosteroid use	1.10 (0.88-1.37)
Mother single at delivery	1.27 (0.99-1.63)
Primary caregiver educational level less than high school	1.26 (0.98-1.61)
≥6 Persons in household	1.11 (0.86-1.44)
≥3 Places lived since discharge	1.23 (0.93-1.64)
Living with mother at the time of follow-up	1.07 (0.75-1.53)
Primary language not English	0.75 (0.52-1.09)
Medicaid insurance or Medicaid health maintenance organization	1.94 (1.50-2.52)