Table 1 Sample characteristics for analytic sample, PATH Study (Wave 1, 2013–2014)
| Â | N | %a | 95% CI |
|---|---|---|---|
Age (mean, sd) | 9,559 | 56.0 (10.4) | Â |
Sex | Â | Â | Â |
 Female | 4,743 | 52.8 | 52.0, 53.7 |
 Male | 4,816 | 47.2 | 46.3, 48.0 |
Race/Ethnicity | Â | Â | Â |
 NH White | 6,331 | 70.8 | 69.8, 71.7 |
 Hispanic | 1,188 | 11.5 | 10.8, 12.4 |
 NH Black | 1,505 | 11.5 | 10.9, 12.1 |
 NH Other | 535 | 6.2 | 5.7, 6.8 |
Education | Â | Â | Â |
 High School or Less | 3,963 | 38.6 | 37.9, 39.4 |
 Some College | 3,069 | 29.5 | 28.8, 30.2 |
 Bachelor or Higher | 2,527 | 31.9 | 31.2, 32.6 |
Baseline Risk Factors | Â | Â | Â |
Asthma Diagnosis | Â | Â | Â |
 No | 8,715 | 91.1 | 90.3, 91.7 |
 Yes | 844 | 8.9 | 8.3, 9.7 |
Obesity (BMI > = 30) |  |  |  |
 No | 6,278 | 65.7 | 64.4, 67.0 |
 Yes | 3,281 | 34.3 | 33.0, 35.6 |
Tobacco Product Exposure | Â | Â | Â |
ENDSb use | Â | Â | Â |
 No  | 9,203 | 98.5 | 98.3, 98.7 |
 Yes | 356 | 1.5 | 1.3, 1.7 |
Other’ combustible product usec |  |  |  |
 No  | 9,460 | 99.6 | 99.4, 99.6 |
 Yes | 99 | 0.4 | 0.36, 0.56 |
Cigarette Smoking Status | Â | Â | Â |
 Non-former smoker | 7,720 | 77.2 | 75.8, 78.4 |
 Short-term former smoker | 334 | 2.2 | 1.9, 2.6 |
 Long-term former smoker | 1,523 | 20.6 | 19.4, 21.9 |
Cigarette and Cigar Use | Â | Â | Â |
 Non-Current Use | 6,068 | 85 | 84.3, 85.6 |
 Exclusive Cigarette Use | 3,173 | 13.6 | 13.0, 14.3 |
 Exclusive Cigar Use | 134 | 0.64 | 0.52, 0.74 |
 Dual Use | 184 | 0.76 | 0.65, 0.89 |
Pack years among currently/formely smoking (mean, sd) | 5,214 | 25.9 (26.3) | Â |
Past 7Â day second hand smoke exposure | Â | Â | Â |
 No | 3,971 | 57.6 | 56.1, 59.2 |
 Yes | 5,588 | 42.4 | 40.8, 43.9 |
Past 7Â day second hand smoke exposure (mean, sd) | 5,588 | 10.2 (22.1) | Â |