Table 3.
Characteristics of Volunteers by Exclusion status
| Analyzed1 | Active2 | Moved3 | Other Drop/Unknown4 | |
|---|---|---|---|---|
| N | 2729 | 4313 | 1480 | 271 |
| Mean (± SD) age | 41.1 (13.8) | 41.8 (13.8) | 35.3(14.1) | 36.5 (17.3) |
| % male | 53% | 53% | 58% | 51% |
| % white | 83% | 79% | 79% | 85% |
| % randomized to CPR only | 36% | 43% | 44% | 40% |
| % Previous CPR, First Aid or advanced training | 66% | 55% | 64% | 60% |
| % aided in emergency or seizure | 60% | 53% | 59% | 49% |
| % with friend or family with OOHCA | 51% | 48% | 46% | 45% |
| % with English as native language | 94% | 95% | 95% | 92% |
| % attended college or higher | 73% | 73% | 72% | 54% |
| % operate a computer | 89% | 86% | 87% | 84% |
| % with back problems | 8% | 9% | 9% | 9% |
| % with arthritis | 5% | 6% | 5% | 7% |
| % security guard | 17% | 13% | 22% | 19% |
| % lifeguard/aqua instructor | 5% | 2% | 4% | 19% |
1
volunteers included in analyses
2
active volunteers excluded from analysis, largely due to missing primary refresher and/or maintenance retraining
3
volunteers who moved from the unit
4
volunteers who discontinued participation for other reasons or were lost to follow-up.