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) |