Parameter	No visible miliaria	Visible miliaria	Statistics & post-hoc comparisons†
Number of images	522	239	---
Heat index oC	26.9±0.3	26.9±0.4	F=0.01, P=0.93
Number massages in 24 hours	4.0±0.1	4.5±0.1	F=12.3, P<0.001
GA (weeks)	38.5±0.2	38.4±0.2	F=0.05, P=0.82
Skin pH	5.86±0.02	5.73±0.03	F=10.9, P=0.001
Chest erythema	0.36±0.02	0.70±0.03	F=87.7, P<0.001
Chest rash	0.30±0.02	1.17±0.04	F=375.3, P<0.001
TEWL (g/m2/hr)	37.3±1.1	39.1±1.6	F=0.81, P=0.37
Protein concentration	16.8±0.3	16.4±0.5	F=0.46, P=0.50
Parameter	No visible “pebble” texture	Visible texture	Statistics & post-hoc comparisons†
Number of images	599	212	----
Heat Index oC	26.4±0.3	28.5±0.4	F=16.7, P<0.001
Number of massages in 24 hours	4.2±0.1	4.2±0.1	F=0.48, P=0.49
GA (weeks)	38.2±0.2	39.1±0.2	F=7.83, P=0.005
Skin pH	5.82±0.02	5.81±0.04	F=0.12, P=0.72
Chest erythema	0.49±0.02	0.42±0.04	F=2.60, P=0.11
Chest rash	0.59±0.03	0.54±0.05	F=0.67, P=0.41
TEWL (g/m2/hr)	38.9±1.1	35.0±1.8	F=3.30, P=0.07
Protein Concentration	16.7±0.3	16.8±0.6	F=0.07, P=0.78