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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Infant Behav Dev. 2013 Jun 26;36(4):10.1016/j.infbeh.2013.04.003. doi: 10.1016/j.infbeh.2013.04.003

Table 1.

Sample Demographic and Neonatal Characteristics at NICU Discharge (n = 173)

Variables Range or
Frequency (%)
M SD
Maternal Age 17 – 42 29.54 6.26
Maternal Education (years) 8 – 21 14.25 2.69
Annual Family Income 0 – 500,000 59,076 52,837
Infant Gender (% Male) 92 (53%)
Infant Race African American 24 (14%)
Asian 1 (<1%)
Caucasian 114 (66%)
Latino 3 (2%)
Multiracial 31 (17%)
Infant Gestational Age
(weeks)
23 – 36 31.34 3.03
Infant Birthweight
(grams)
490 – 3328 1712 577
Extremely Low (< 1000g) 28 (16%)
Very Low (< 1500g) 37 (21%)
Low (< 2500g) 95 (55%)
Normal (> 2500g) 13 (8%)
Size for Gestational Age Small 20 (12%)
Appropriate 145 (84%)
Large 8 (%)
Days in Hospital 2 – 136 33.27 27.92
Multiple Birth 33 (19%)