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Table 2 Subjects Characteristics

From: Early detection of parenting stress in mothers of preterm infants during their first-year home

Maternal- & Infant DemographicsMothers
@ infant 1-month post NICU discharge
Mothers
@ infant 12-month (Corrected Age)
P value
n2524 
Multiples (%)12 (48%)7 (29%)ns¥
Maternal Agea31.36 ± 7.1332.08 ± 5.52ns#
Defensive Responding (n)25 
Gestational Age (weeks)a
(range)
28.65 ± 2.45
(24.3–32.9)
28.30 ± 1.95
(24.3–32.3)
ns#
Birth Weight (g)a
(range)
1177 ± 342
(630–1740)
1018 ± 243
(599–1585)
ns#
Gender (n; male/female)13/1216/10 
Ethnicity (%)
- Caucasian5242 
- African-American2029 
- Asian4 ns
- Hispanic (white)2429 
Education (%)
- Secondary school1729 
- University5750ns
- Post-Graduate2621 
Income (%)
< $50,0004342 
- $50,000–$99,9993037ns
- ≥ $100,0002621 
  1. aMean ± SD
  2. # Independent t-test: significance at p ≤ 0.05
  3. Chi Square analysis: significance at p ≤ 0.05
  4. ¥ WinPEPI (Compare2)