Table 4:

Percent change by variable in personal and kitchen 24-hour geometric mean PM_2.5 (μ/m³) concentrations. Resulting values from two mixed models, one for personal exposure and one for kitchen.

	Personal,		Kitchen
Variable	Percent Change in Geometric Mean (95% CI)	p	Percent Change in Geometric Mean (95% CI)	p
Electricity		.02		0.03
Presence of electricity	(Reference)		(Reference)
No electricity	26.8% (3%, 44%)		37.1% (3%, 83%)
Kerosene (for lighting)		0.64		0.99
Presence of kerosene	(Reference)		(Reference)
No kerosene	−4.45% (−20%, 15%)		0% (−21%, 27%)
Asset Index		0.28		0.97
High	(Reference)		(Reference)
Low	10.0% (−8%, 31%)		−0.4 (−22%, 28%)
Stove Type		<.001		<.001
Justa	(Reference)		(Reference)
Justa + Traditional	13.3% (−3%, 33%)		−2.6% (−21%, 19%)
Traditional	107% (79%, 139%)		212% (160%, 275%)
Income Source(s)		0.90		0.27
Multiple sources	(Reference)		(Reference)
Income only through agriculture	−0.9% (−12%, 11%)		8.4% (−6%, 25%)
Kitchen Enclosure		0.88		0.04
Fully enclosed	(Reference)		(Reference)
Open	−1.2% (−17%, 17%)		−21.3% (−37%, 1%)
Kitchen Location		0.38		<.01
Inside main living area	(Reference)		(Reference)
Outside under veranda/porch	−4.6% (−45%, 66%)		183% (34%, 496%)
Separate building	−19.8% (−32%, 5%)		−16.6% (−38%, 20%)
Separate room attached to house	−18.6% (−27%, 6%)		−11.4% (−37%, 26%)
Cooking Time		0.41		0.38
0-14 hours/wk	(Reference)		(Reference)
15-28 hours/wk	15.1% (3%, 37%)		−17.2% (−33%, 3%)
29-42 hours/wk	16.4% (−4%, 42%)		−16.0% (−44%, 8%)
43-128 hours/wk	8.1% (−31%, 69%)		−7.9% (−49%, 68%)
Stove Use Monitoring- % of stove use time > 28 °C		<.001		<.01
0-60%	(Reference)		(Reference)
60-80%	−14.6% (−24%, −4%)		−3.4% (−17%, 13%)
80-100%	18.9% (0%, 41%)		30.8% (5%, 63%)
Season		<.01		0.03
Dry	(Reference)		(Reference)
Rainy	−14.2% (−23%, −6%)		−12.2 (−22%, 0%)
Education		0.44		0.24
No school	(Reference)		(Reference)
Compulsory schooling	−17.5 (−39%, 12%)		−27.7% (−53%, 11%)
Greater than 6 years	−15.4 (−53%, 36%)		−9.7(−54%, 76%)