Prevalence of Ectoparasitic Infections and Other Dermatological Infections and Their Associated Factors among School Children in Gampaha District, Sri Lanka

Table 3

Practices of the study population with respect to incidence of pediculosis.

Variable	Total respondents		Prevalence of skin disorders		value	Odds ratio number	95% confidence interval for the odds ratio
	Number	Percentage (%)	Number	Percentage (%)
Gender
Male	79	38.5	11	14.0	0.001	1.00
Female	126	61.5	75	59.5		9.09	7.21–9.82
Hair length of females
Short	24	11.7	3	12.5	0.039	1.00
Long	102	49.8	72	70.6		16.80	14.40–18.08
Hair length of males
<2 cm	27	13.2	1	3.7	0.046	1.00
3 cm	26	12.7	3	11.5		3.39	2.35–5.72
>3 cm	26	12.7	7	26.9		9.58	7.66–11.76
No of hair washes per week
1	8	3.9	4	50.0	0.328	1.00
2	22	10.7	9	41.0		0.69	0.49–0.79
>2	175	85.4	73	41.7		0.72	0.61–0.91
Shampooing per week
1	39	19.0	19	48.7	0.271	1.00
2	39	19.0	17	43.6		0.27	0.17–0.47
>2	98	47.8	42	42.9		0.26	0.18–0.38
Not using shampoo	29	14.2	8	27.6		0.21	0.14–0.45
Combing
Using louse comb	55	26.8	20	36.4	0.065	1.00
Not using louse comb	150	73.2	66	44.0		1.38	0.95–1.68
Sharing items
Not sharing comb	81	39.5	14	17.3	0.028	1.00
Sharing comb	124	60.5	72	58.1		6.63	5.02–7.30