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Table 1 Baseline characteristics of enrolled households

From: Biomass-fuelled improved cookstove intervention to prevent household air pollution in Northwest Ethiopia: a cluster randomized controlled trial

Characteristic Treatment arm Both arms (%)
Control (%) Intervention (%)
Location of cooking quarter Inside living house 415 (40.8) 327 (32.2) 742 (36.5)
Separate kitchen 601 (59.2) 688 (67.8) 1289 (63.5)
Total 1016 (100) 1015 (100) 2031 (100)
Secondary cookstove type Traditional 936 (92.1) 924 (91.0) 1860 (91.6)
Improved 80 (7.9) 91 (9.0) 171 (8.4)
Total 1016 (100) 1015 (100) 2031 (100)
Frequency of injera baking event Everyday 131 (12.9) 134 (13.2) 265 (13.0)
Every other or more days 885 (87.1) 881 (86.8) 1766 (87.0)
Total 1016 (100) 1015 (100) 2031 (100)
PM2.5 concentration in μg/m3 a 850 (358.6) 859 (359.3) 855 (359)
Cluster-level ICC for PM2.5 concentration in μg/m3 0.0317 0.0316 0.0346
  1. aStandard deviations are shown in parentheses.