Table 2.
Home owner and housing characteristics. Descriptive data of participants and details of home and housing structure by total study population and by study arm (stove replacement, air purifier, and ventilation hood)
| All homes (n = 78) | Stove replacement (n = 17) | Air purifier (n = 46) | Ventilation hood (n = 15) | |
|---|---|---|---|---|
| Home owner characteristics | ||||
| African American race, n (%) | 71 (91.0) | 16 (94.1) | 42 (91.3) | 13 (86.7) |
| Full- or part-time employment, n (%)* | 29 (37.2) | 7 (41.2) | 19 (41.4) | 3 (20.0) |
| >High school education, n (%) | 44 (56.4) | 8 (53.3) | 28 (60.9) | 8 (53.3) |
| Age, mean (SD) | 53.5 (13.8) | 52.0 (12.0) | 51.5 (15.0) | 59.0 (10.3) |
| Housing characteristics | ||||
| Reporting any smoking in home, n (%) | 21 (27.3) | 5 (29.4) | 11 (24.4) | 5 (33.3) |
| Owner occupied, n (%) | 69 (88.5) | 15 (88.2) | 40 (87.0) | 14 (93.3) |
| Row house, n (%) | 67 (85.9) | 13 (76.5) | 41 (89.1) | 13 (86.7) |
| Central air conditioning, n (%) | 17 (21.8) | 4 (23.5) | 11 (23.9) | 2 (13.3) |
| Natural gas furnace, n (%) | 71 (91.0) | 15 (88.2) | 42 (91.3) | 14 (93.3) |
| Gas dryer, n (%) | 30 (38.5) | 5 (29.4) | 19 (41.3) | 6 (40.0) |
| Continuous pilot light on stove, n (%) | 19 (24.7) | 5 (29.4) | 11 (24.4) | 3 (20.0) |
| [NO2] in kitchen at baseline (ppb), median (range) | 17.9 (3.2, 85.3) | 19.7 (9.2, 70.2) | 19.2 (6.8, 85.3) | 12.2 (3.2, 53.3) |
| [NO2] in bedroom at baseline (ppb), median (range) | 13.1 (3.4, 41.8) | 16.9 (6.9, 41.8) | 12.4 (3.4, 35.1) | 13.1 (5.3, 39.2) |
NO2, nitrogen dioxide; ppb, parts per billion.
*
P-value < 0.05.