Assessment of Kitchen Air Pollution: Health Implications for the Residents of Ilorin South, Nigeria

Table 6

The estimate of the model parameters for NO₂.

Model	Unstandardized Coefficients	Standardized Coefficients				95% Confidence Interval for B
	B	Std. Error	Beta	T	Sig.	Lower Bound	Upper Bound
(Constant)	0.034	0.025		1.37	0.188	-0.018	0.087
z2	0.003	0.027	0.139	1.08	0.290	-0.028	0.086
z3	0.020	0.027	0.097	0.759	0.458	-0.036	0.077
z4	-0.049	0.027	-0.235	-1.84	0.084	-0.106	0.007
EVNG	0.007	0.019	0.039	0.37	0.710	-0.033	0.047
CHAR	0.039	0.023	0.200	1.66	0.115	-0.010	0.087
FIWD	0.177	0.023	0.919	7.612	0.000	0.128	0.226

a. dependent variable: concentration of NO_2. EVNG, evening; CHAR, charcoal; FIWD, firewood.