Skip to main content
. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Early Hum Dev. 2015 Feb 20;91(3):227–233. doi: 10.1016/j.earlhumdev.2015.01.013

Table 1.

Demographic characteristics of full term compared to preterm participants and of PT+S compared to PT−S groups.

Full Term (n = 73)
n (%) or M ± SD
Preterm (n = 54)
n (%) or M ± SD
t or X2 PT+S (n = 20)
n (%) or M ± SD
PT−S (n = 34)
n (%) or M ± SD
t or X2
Age (years) 4.3 ± 0.78 4.4 ± 0.76 5.79 4.4 ± 0.90 4.4 ± 0.70 0.40
Male 33 (45%) 28 (52%) 0.55 8 (40%) 20 (58%) 1.79
White 43 (59%) 37 (69%) 1.23 14 (70%) 23 (68%) 0.03
Maternal Education 7.46* 4.96
 < 4 year College 6 (8%) 13 (24%) 8 (40%) 5 (15%)
 4 year College Degree 25 (34%) 20 (37%) 7 (35%) 13 (38%)
 ≥ Masters Degree 42 (59%) 21(39%) 5 (25%) 16 (47%)
Twins 4 (5%) 20 (37%) 20.17** 5 (25%) 15 (44%) 1.97
Gestational Age (weeks) 39.3 ± 1.4 29.5 ± 2.5 25.71** 28.8 ± 2.7 29.9 ± 2.4 1.62
Birth weight (g) 3333 ± 525 1336 ± 448 22.56** 1256 ± 494 1382 ± 419 1.00
Brain Injury 0.44
 Normal n/a 38 (70%) 13 (65%) 25 (74%)
 Mildly Abnormal n/a 9 (17%) 4 (20%) 5 (15%)
 Abnormal n/a 7 (13%) 3 (15%) 4 (12%)
Respiratory Distress Syndrome n/a 28 (52%) 10 (50%) 18 (53%) 0.04
Chronic Lung Disease n/a 6 (11%) 3 (15%) 3 (9%) 0.49
Necrotizing Enterocolitis n/a 4 (7%) 3 (15%) 1 (3%) 2.67
Small for Gestational Age n/a 7 (13%) 3 (15%) 4 (12%) 0.12

Abbreviations: PT+S, preterm children with elevated numbers of sensory symptoms; PT−S, preterm children with typical numbers of sensory symptoms

*

p < 0.05,

**

p < 0.01