A randomised, assessor blind, parallel group comparative efficacy trial of three products for the treatment of head lice in children - melaleuca oil and lavender oil, pyrethrins and piperonyl butoxide, and a

Table 1 Louse-Free Rate the Day After Final Treatment (ITT Population)

				P-value
		Number Louse-free	Louse-free Percentage	Unadjusted	Adjusted
Louse-free rate: Tea Tree/Lavender Oil product versus Pyrethrins/piperonyl butoxide product	Tea Tree/Lavender Oil product	41 out of 42 (41 out of 43)	97.62% (95.35%)	< 0.0001	< 0.0001
	Pyrethrins/piperonyl butoxide product	10 out of 40 (10 out of 44)	25.0% (22.73%)
Louse-free rate: Suffocation product versus Pyrethrins/piperonyl butoxide product	Suffocation product	40 out of 41 (40 out of 45)	97.56% (88.89%)	< 0.0001	< 0.0001
	Pyrethrins/piperonyl butoxide product	10 out of 40 (10 out of 44)	25.0% (22.73%)

Subjects in the ITT population for whom there was no information regarding whether or not they had lice on the day after the last treatment (9 subjects) were excluded from the first analysis of 123 subjects. When these 9 subjects were included in the analysis and counted as failures (132 subjects), the results are shown in brackets.

ISSN: 1471-5945