Table 1.
Demographic characteristics of course participants and study sample.
| Course completers | Survey completers | Deployed | ||||
|---|---|---|---|---|---|---|
| (n = 8,141) | (n = 1,522) | (n = 439) | ||||
| n | % | n | % | n | % | |
| Number of CI/CT interviews conducted at time of survey completion | 439 | |||||
| 1–5 | 164 | 37.4% | ||||
| 6–10 | 89 | 20.3% | ||||
| 11–20 | 92 | 21.0% | ||||
| 21+ | 94 | 21.4% | ||||
| Employer | 8,123 | 1,519 | 438 | |||
| State of Californiaa | 3,720 | 45.8% | 908 | 59.8%** | 129 | 29.5% |
| County (LHD or Local Government) | 3,014 | 37.1% | 446 | 29.4% | 231 | 52.7% |
| Other (including Tribal, Clinic, or Community Organizations and Volunteersb) | 1,389 | 17.1% | 165 | 10.9% | 78 | 17.8% |
| Career Background | 6,339 | 1,190 | 379 | |||
| Non-public health related | 4,474 | 70.6% | 925 | 77.7%** | 255 | 67.3% |
| Health or public health relatedc | 1,865 | 29.4% | 265 | 22.3% | 124 | 32.7% |
| Highest Education | 6,878 | 1,306 | 411 | |||
| Less than bachelor's degreed | 2,168 | 31.5% | 420 | 32.2%* | 101 | 24.6% |
| College graduate | 2,618 | 38.1% | 442 | 33.8% | 148 | 36.0% |
| Graduate schoole | 2,092 | 30.4% | 444 | 34.0% | 162 | 39.4% |
| Volunteer Status | 6,855 | 1,309 | 407 | |||
| Volunteered to be CI/CT | 2,318 | 33.8% | 543 | 41.5%** | 134 | 32.9% |
| Assigned or Not Sure | 4,537 | 66.2% | 766 | 58.5% | 273 | 67.1% |
| Race | 6,385 | 1,196 | 384 | |||
| American Indian or Alaska Native | 125 | 2.0% | 27 | 2.3%** | 10 | 2.6% |
| Asian | 1,144 | 17.9% | 181 | 15.1% | 52 | 13.5% |
| Black or African American | 552 | 8.6% | 102 | 8.5% | 33 | 8.6% |
| Native Hawaiian or Pacific Islander | 82 | 1.3% | 17 | 1.4% | 5 | 1.3% |
| White/Caucasian | 2,831 | 44.3% | 629 | 52.6% | 197 | 51.3% |
| Two or more | 114 | 1.8% | 28 | 2.3% | 6 | 1.6% |
| Decline to State | 1,537 | 24.1% | 212 | 17.7% | 81 | 21.1% |
| Hispanic | 6,385 | 1,196 | 384 | |||
| Yes | 1580 | 24.7% | 251 | 21.0%** | 96 | 25.0% |
| No | 4184 | 65.5% | 855 | 71.5% | 245 | 63.8% |
| Decline to state | 621 | 9.7% | 90 | 7.5% | 43 | 11.2% |
| Gender | 6,903 | 1,315 | 412 | |||
| Female | 4,503 | 65.2% | 894 | 68.0%** | 284 | 68.9% |
| Male | 1,935 | 28.0% | 367 | 27.9% | 100 | 24.3% |
| Transgender, gender queer, or other | 36 | 0.5% | 4 | 0.3% | 3 | 0.7% |
| Decline to State | 429 | 6.2% | 50 | 3.8% | 25 | 6.1% |
| Age | 6,853 | 1,306 | 406 | |||
| 18–24 | 650 | 9.5% | 51 | 3.9%** | 30 | 7.4% |
| 25–34 | 1,396 | 20.4% | 153 | 11.7% | 66 | 16.3% |
| 35–44 | 1,216 | 17.7% | 208 | 15.9% | 65 | 16.0% |
| 45–54 | 1,331 | 19.4% | 346 | 26.5% | 87 | 21.4% |
| 55–64 | 1,213 | 17.7% | 329 | 25.2% | 83 | 20.4% |
| 65 plus | 481 | 7.0% | 143 | 10.9% | 43 | 10.6% |
| Decline to State | 566 | 8.3% | 76 | 5.8% | 32 | 7.9% |
CI, case investigation; CT, contact tracing; LHD, local health department. Notes: Pearson chi-square tests examined differences in demographic characteristics between course completers and survey completers; *significant at p < 0.01, **significant at p < 0.001; aIncludes employees contracted to work for State departments by organizations such as Heluna Health and CDC Foundation; bA small number of LHD's permitted community volunteers to participate in CT/CI efforts; cHealth or public health related professional roles include disease investigator, public health nurse, public health administrator, or other allied health professional; dLess than bachelor's degree includes those with high school, some college, or 2-year degree; eGraduate school includes those with some graduate school or graduate degree.