Table 1.

Census results comparing rural and urban households in Puno

Census survey	Rural (%)	Urban (%)	p-value
N = 4093	n = 1845	n = 2248
Is the kitchen connected to the main house?	225(12%)	954 (42%)	<0.001
Does the kitchen have a chimney?	406 (22%)	219 (10%)	<0.001
Do you have an open-fire stove design?	1733 (94%)	362 (16%)	<0.001
Have you participated in the national program for improved cookstoves?	45 (2%)	9 (<1%)	<0.001