Table 1. Baseline demographic characteristics of participants (ITT).

Data subgroup	4% dimethicone	0.5% malathion
	(n  =  43)	(n  =  30)
Age in years:
range	1 to 48	3 to 48
mean	13.8	12.8
median	8	9.5
Gender:	number of participants (%)	number of participants (%)
male	9 (20.9)	3 (10.0)
female	34 (79.1)	27 (90.0)
Infestation:
light	14 (32.6)	11 (36.7)
medium	18 (41.9)	10 (33.3)
heavy	11 (25.6)	9 (30.0)
Hair length:
close cropped	4 (9.3)	1 (3.3)
above ears	4 (9.3)	2 (6.7)
ears to shoulders	11 (25.6)	6 (20.0)
below shoulders	24 (55.8)	21 (70.0)
Hair thickness:
fine	4 (9.3)	7 (23.3)
average	28 (65.1)	16 (53.3)
thick	11 (25.6)	7 (23.3)
Hair curl:
straight	26 (60.5)	17 (56.7)
wavy	14 (32.6)	9 (30.0)
curly	3 (7.0)	4 (13.3)
Hair oiliness:
dry	3 (7.0)	2 (6.7)
normal	40 (93.0)	28 (93.3)