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. Author manuscript; available in PMC: 2014 Jan 9.
Published in final edited form as: Infant Ment Health J. 2013 Jan 9;34(1):37–46. doi: 10.1002/imhj.21374

Table 1.

Family Demographic and Infant Neonatal Health Characteristics (n = 171)

Variable Range M or Frequency SD or %
Maternal age (years) 17 – 42 29 6.29
Maternal education (years) 8 – 21 14 2.69
Family income 0 – 500,000 59,287 53,102
Marital status (% married) 117 68%
Gender (female) 81 47%
Multiple birth (% yes) 32 19%
Birthweight (grams) 490 – 3328 1711g 580g
 ELBW 28 16%
 VLBW 37 22%
 LBW 93 54%
 NBW 13 8%
Appropriateness of weight
 LGA 8 5%
 AGA 144 84%
 SGA 19 11%
Apgar 1 minute 1 – 9 5.88 1.97
Apgar 5 minute 2 – 10 7.91 1.32
Days Hospitalized 2–136 33.44 28.03

Note. ELBW = extremely low birth weight < 1000g; VLBW = very low birth weight < 1500g; LBW = low birth weight < 2500g; NBW = normal birthweight = ≥ 2500g; LGA = large for gestational age; AGA = appropriate for gestational age; SGA = small for gestational age.