Table 1.
Heat-adaptive behaviors reported in an hourly activity log by seniors in 29 residences in Detroit, MI. Number/percent of total monitored hours when behavior was reported is provided for the entire summer 2009 (36,541 total monitored hours), and during times when indoor temperatures (measured hourly in each home with indoor temperature monitors) fell into specific ranges. All temperatures are measured in °C.
| Behavior | ||||||||
|---|---|---|---|---|---|---|---|---|
| Opening windows or doors |
Turning fans on |
Turning air conditioner on |
Changing clothes |
Taking a shower |
Going to the basement |
Going to the porch or yard |
Leaving the house |
|
| Number of homes where behavior was possible (N) | 29 | 29 | 16 | 29 | 29 | 20 | 29 | 29 |
| % of total study perioda | 14.8% | 10.2% | 4.8% | 4.0% | 4.0% | 1.2% | 2.2% | 5.1% |
| Total hours monitored of behavior reported at locations where possible | 5413 | 3734 | 960 | 1471 | 1476 | 270 | 792 | 1867 |
| Total hours monitored in homes where behavior possible | 36,541 | 36,541 | 19,813 | 36,541 | 36,541 | 23,196 | 36,541 | 36,541 |
| <21.1 °C | ||||||||
| % of time reportedb | 7.8% | 4.8% | 0.0% | 18% | 2.7% | 1.7% | 3.8% | 6.6% |
| Hours behavior reported | 111 | 68 | 0 | 25 | 38 | 23 | 54 | 94 |
| Total hours monitored | 1419 | 1419 | 386 | 1419 | 1419 | 1365 | 1419 | 1419 |
| ≥21.1 °C, <23.8 °C | ||||||||
| % of lime reportedb | 17.4% | 9.2% | 2.0% | 4.2% | 4.4% | 1.4% | 2.6% | 4.9% |
| Hours behavior reported | 1160 | 614 | 60 | 281 | 292 | 75 | 173 | 330 |
| Total hours monitored | 6677 | 6677 | 2943 | 6677 | 6677 | 5258 | 6677 | 6677 |
| ≥23.8 °C, <26.6 °C | ||||||||
| % of time reportedb | 16.8% | 11.3% | 4.3% | 4.8% | 4.9% | 1.2% | 2.3% | 5.2% |
| Hours behavior reported | 2622 | 1762 | 377 | 748 | 759 | 117 | 354 | 812 |
| Total hours monitored | 15,598 | 15,598 | 8768 | 15,598 | 15,598 | 9996 | 15,598 | 15,598 |
| ≥26.6 °C, <29.4 °C | ||||||||
| % of tome reportedb | 12.4% | 10.3% | 7.0% | 3.2% | 2.9% | 0.8% | 1.8% | 5.2% |
| Hours behavior reported | 1388 | 1148 | 478 | 353 | 325 | 44 | 198 | 584 |
| Total hours monitored | 11,180 | 11,180 | 6856 | 11,180 | 11,180 | 5432 | 11,180 | 11,180 |
| ≥29.4 °C, <32.2 °C | ||||||||
| % of time reportedb | 7.9% | 8.3% | 5.5% | 3.6% | 3.6% | 1.0% | 0.8% | 2.8% |
| Hours behavior reported | 124 | 130 | 44 | 56 | 56 | 11 | 13 | 44 |
| Total hours monitored | 1560 | 1560 | 807 | 1560 | 1560 | 1050 | 1560 | 1560 |
| ≥32.2 °C | ||||||||
| % of time reportedb | 7.5% | 11.2% | 1.9% | 7.5% | 5.6% | 0.0% | 0.0% | 2.8% |
| Hours behavior reported | 8 | 12 | 1 | 8 | 6 | 0 | 0 | 3 |
| Total hours monitored | 107 | 107 | 53 | 107 | 107 | 95 | 107 | 107 |
a
% of total study period: total hours of behavior reported/total where behavior possible.
b
% of time reported = hours behavior reported/total hours monitored.