. Author manuscript; available in PMC: 2013 Feb 12.

Published in final edited form as: J Perinatol. 2012 Apr 12;33(2):126–133. doi: 10.1038/jp.2012.39

Table 1.

Baseline characteristics

	LEDs n =364	Blankets n =141	Banks n =435	Spots n =464	P-value
Birth weight (g)^a	771±136	784±138	766±137	789±128	0.05
Gestational age (weeks)^a	25.8±1.9	26.1±1.9	25.8±1.9	26.1±1.9	0.07
Race n (%)					<0.001
Black	156 (43)	90 (64)	188 (43)	142 (31)
White	109 (30)	44 (31)	121 (28)	239 (52)
Hispanic/other	99 (27)	7 (5)	126 (29)	83 (18)
Male n (%)	192 (53)	63 (45)	222 (51)	241 (52)	0.42
5 min Apgar <5 n (%)	58 (16)	13 (9)	52 (12)	63 (14)	0.17
Age at start of PT (h)^a	35±22	34±25	36±25	36±23	0.62

Abbreviations: Banks, fluorescent lights; Blankets, fiberoptic blankets; LED, light-emitting diode; Spots, halogen spotlights.

Mean±s.d.