Table 3. Results of univariate analysis showing potential socio–demographic risk factors for infection with soil-transmitted helminths (STH) among 321 children from central Albania.

	No. and (%) of children:
Variable	Examined	Found positive for STH	Odds ratio and (95% confidence interval)	P
age (years)			1·6 (0·72–3·64)	0·24
<7	207	14 (6·8)
7–16	114	12 (10·5)
gender			1·3 (0·60–2·74)	0·51
Male	143	10 (7·0)
Female	178	16 (9·0)
household setting			0·9 (0·87–0·94)	0·097
Rural	28	0 (0·0)
Urban	254	23 (9·1)
county of residence			3·0 (1·30–6·98)	0·006
Tirana	152	19 (12·5)
Elbasan	169	7 (4·1)
household size			5·0 (1·19–21·48)	0·012
Four or fewer members	131	16 (12·2)
At least five members	83	2 (2·4)
source of sample			1·8 (0·82–3·75)	0·14
Healthcare facility	168	10 (6·0)
Community	153	16 (10·5)