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

Table 6 Pattern of symptoms observed among children under 5 years of age

Symptoms	Urban (n = 51)		Rural (n = 51)		IRR	95% CI
Symptoms	IR	Duration/episode^a	IR	Duration/episode^a	IRR	95% CI
Respiratory symptoms	17.5	4.7	28.6	3.8	1.63	1.62–1.64
Non-respiratory symptoms
Redness of eye	1.0	1.5	0.9	3.4	0.9	0.3–3.0
Eye itchiness	0.6	5.2	0.4	5.7	0.6	0.1–3.2
Skin itchiness	2.2	10.3	7.2	5.1	3.3	1.9–5.7
Diarrhea	5.7	3.3	10.4	3.3	1.8	1.4–2.4
Dysentery	0.7	2.7	1.9	4.2	2.6	0.96–8.1
Fever	11.4	4.8	5.6	4.7	0.5	0.4–0.6

IR Incidence rate. IR is expressed as the number of new episodes per 1000 person-days. The incidence rate ratio (IRR) is calculated as the IR in rural area divided by the IR in the urban area
^aDuration/episode is calculated in days

ISSN: 1347-4715