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Table 2 Descriptive characteristics of events observed during structured observation (median 500 min observation)

From: Air pollution dispersion from biomass stoves to neighboring homes in Mirpur, Dhaka, Bangladesh

Type of event Total number of events observed Number of events per householda Duration per event (minutes)a Total duration of events of this type per household (minutes)a
Median (IQR) Median (IQR) Median (IQR)
Index homes (n = 10)
 Cooking
  Biomass 13 1 (1) 135 (87) 185 (48)
  Kerosene 1 1 (NA) 14 (NA) 14 (NA)
 Window opening 3 1 (0) 508 (110) 508 (110)
 Door opening 12 1 (0) 482 (158) 490 (20)
 Turning fan on 32 3 (1) 111 (110) 381 (100)
Neighbor homes (n = 34)
 Cooking
  Biomass 4 1 (0) 50 (55) 50 (109)
  Electricity 65 2 (2) 68 (93) 189 (123)
  Kerosene 1 1 (NA) 105 (NA) 105 (NA)
 Window opening 20 1 (1) 495 (20) 495 (20)
 Door opening 59 1 (1) 295 (380) 495 (34)
 Turning fan on 97 3 (1) 115 (127) 404 (104)
  1. aDescriptive statistics of events reported only for homes in which that event was observed