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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Infant Behav Dev. 2011 Dec 29;35(2):312–322. doi: 10.1016/j.infbeh.2011.11.001

Table 1.

Sample description (n = 63)

Variable Frequency Percentage Mean(SD) Range
Boys 31 49
Child Race/Ethnicity
Black/African-American 6 9
Hispanic/Latino 1 2
Mulit-Racial/Multi-Ethnic 5 8
White 51 81
Gestational Age (weeks) 31.72 (3.21) 25 – 36.43
<36 weeks 60 95
>36 weeks 3 5
Birthweight (grams) 1,757.08 (601.29) 680 – 3,328.00
<750g 3 5
750 – 1499g 18 29
1500 – 2499g 41 65
>2500g 1 2
Apneaa 44 70
Respiratory Distress 36 57
Ventilation During NICU Stay 33 52
Apnea Monitor at NICU Discharge 28 44
NICU Stay > 30 days 24 38
Multiple Birth 12 19
Chronic Lung Disease 10 16
Supplementary Oxygen at NICU Discharge 9 14
Gastroesophageal Reflux 6 9
Grade I – III IVH 4 6
5 Minute Apgar Score < 6 1 2
a

Complete neonatal risk data were unavailable for one girl participant.