Prevalence of head lice and hygiene practices among women over twelve years of age in Sindh, Balochistan, and North West Frontier Province: National Health Survey of Pakistan, 1990-1994

Table 6 Multivariable logistic regression model and adjusted odds ratio for association of head lice¹ in women aged 12 years and older with socio-demographics and personal hygiene; National Health Survey of Pakistan, 1990 - 94 Sindh, Balochistan, and NWFP Provinces (n = 2321).

Variables
	Adjusted	95% CI
	Odds Ratio	Lower limit	Upper limit
Age categories
12 - 15 yrs	2.4	1.6	3.6
≥16 yrs	1.0	-
Crowding (# of persons per room)
<3.5	1.0	-
≥3.5	1.5	1.1	2.1
Wear shoes at home
Always	1.0	-
Sometimes/Never	1.5	0.9	2.4
*Urban/rural area ownership of durable goods**
Living in urban area & ownership of durable goods
4 or more	1.0	-
2 - 3	1.4	0.4	5.1
0 - 1	7.6	2.7	21.2
Living in rural area & ownership of durable goods
4 or more	1.4	0.5	4.4
2 - 3	2.0	0.6	6.6
0 - 1	2.1	0.6	7.1
*Province Infrequent bathing in summer (number of baths per week**
Balochistan & number of baths per weeks
≥3	1.0	-
<3	0.9	0.3	3.2
Sindh & number of baths per weeks
≥3	1.5	0.5	4.6
<3	9.3	3.8	23.0
NWFP & number of baths per weeks
≥3	2.0	0.9	4.8
<3	1.7	0.5	6.0
Marital Status §
Married	1.0	-
Never married/ Wid/Div/Sep	1.3	0.8	2.2
Number of baths § in winter (per month)
≥5	1.0	-
<5	1.3	0.8	1.9

§ These variables are included in the model because they confound the effect of other variables

ISSN: 1756-3305