Indoor air pollution and health of children in biomass fuel-using households of Bangladesh: comparison between urban and rural areas

Table 5 Relative risk of symptoms in urban and rural children

Symptoms	Urban^a, n (%)	Rural^a, n (%)	Crude RR			Adjusted RR^b
Symptoms	Urban^a, n (%)	Rural^a, n (%)	RR	95% CI	p Value	RR	95% CI	p Value
Respiratory symptoms	40 (78)	49 (96)	6.7	1.4–32.2	<0.05	0.5	0.1–3.8	0.50
Non-respiratory symptoms
Redness of eye	4 (8)	6 (12)	1.6	0.4–5.9	0.52	1.4	0.03–77.4	0.87
Eye itchiness	3 (6)	3 (6)	1.0	0.2–5.2	1.00	NC	NC	NC
Skin itchiness	14 (28)	32 (63)	4.4	1.9–10.3	<0.01	3.6	0.7–19.6	0.13
Diarrhea	25 (49)	38 (75)	3.0	1.3–7.0	<0.01	0.9	0.1–5.6	0.92
Dysentery	6 (12)	9 (18)	1.6	0.5–4.9	0.40	0.1	0.0–51.0	0.52
Fever	38 (75)	29 (57)	0.5	0.2–1.0	0.06	0.2	0.03–1.1	0.06

RR Relative risk, 95% CI 95% confidence interval, NC not calculated due to small number of children with symptoms
^aThe number of children observed in the urban and rural areas was 51 each
^bAdjusted for education, cooking hour, main wall material of house, number of family members per room, and location of kitchen

ISSN: 1347-4715