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. Author manuscript; available in PMC: 2023 Oct 11.
Published in final edited form as: Environ Int. 2018 May 5;117:116–124. doi: 10.1016/j.envint.2018.04.048

Table 1. Seasonal stove-use activity for different fuel-stove types* in rural Sichuan homes.

Summer Winter
Wood chimney Semi-gasifier LPG or electric Wood chimney Semi-gasifier LPG or electric
Number of householddays measured 136 47 54 99 17 35
Absolute number of stove events recorded 293 71 116 214 29 82
Daily mean (SD) number of stove events** 2.1 (0.1) 1.5 (0.1) 2.2 (0.1) 2.2 (0.1) 1.7 (0.1) 2.4 (0.1)
Daily mean (SD) duration of stove events (min)** 241 (10) 100 (4) 64 (3) 279 (14) 147 (8) 75 (3)
Mean (SD) stove-use duration per event (min) 112 (4) 66 (4) 30 (2) 129 (5) 86 (6) 32 (3)
Peak stove activity times (hh:mm) 8:43,12:52, 21:17 7:59, 12:04, 19:59 8:15, 12:13, 19:12 8:48, 12:44, 19:09 8:51,13:00, 18:30 7:45, 11:33, 17:51

LPG=liquefied petroleum gas; SD = standard deviation

*

Categories combine events from household-days with exclusive and mixed-use (i.e., more than one stove type used).

**

Means only include days with at least one stove-use event.