Use of biomass fuels predicts indoor particulate matter and carbon monoxide concentrations; evidence from an informal urban settlement in Fort Portal city, Uganda

Table 5 Adjusted regression coefficient for predictors of PM_2.5 concentrations in the cooking and living area in households in Mugunu slum, Fort Portal City, Uganda

Variable	Cooking area		Living area
Variable	Coefficient (95% CI)	P-value	Coefficient (95% CI)	P-value
Adequate ventilation
No	ref		ref
Yes	-0.027(-0.213, 0.159)	0.78	-0.062(-0.224, 0.099)	0.47
Window close to the door
No	ref		ref
Yes	0.176 (-0.022, 0.374)	0.08	0.043 (-0.131, 0.215)	0.63
Damp fuel
No	ref		ref
Yes	0.112(-0.064, 0.289)	0.21	0.048 (-0.105, 0.202)	0.53
Cooking outside
No	ref		ref
Yes	0.112(0.069, 1.614)	^* 0.03	-0.024 (-0.201, 0.152)	0.76
Type of fuel category
Less polluting	0.272(-0.800, 1.345)	0.62	0.022( -0.600, 0.645)	0.95
Moderately polluting	-0.377(-1.115, 0.362)	0.32	0.031( -0.217, 0.27	0.81
Highly polluting	ref		ref
Cooking outside ^* Type of fuel category
Less polluting	-1.770(-3.355, -0.186)	^* 0.03	-	-
Moderately polluting	-0.934 (-1.736, -0.133)	^* 0.02	-	-
Highly polluting	ref		-	-

^* p-value less than 0.05
Considering a 95% CI, a p-value ≤ 0.05 was considered to be statistically significant in this study

ISSN: 1471-2458