Prevalence of head lice infestation and pediculicidal effect of permethrine shampoo in primary school girls in a low-income area in southeast of Iran

Table 3 Head lice infestation rate in intervention and control groups at initial, 7, 14, and 21 days during examinations

Examiation time	Intervention group		Control group		p-value^a
	Examined (n)	Infested n(%)	Examined (n)	Infested n(%)
Initial	150	103 (68.6)	150	99 (66.0)	0.622
7 days	148	73 (49.3)	149	98 (65.7)	0.003
14 days	150	32 (21.3)	150	96 (64.0)	0.0001
21 days	147	10 (6.8)	148	92 (62.1)	0.0001

ISSN: 1471-5945