Volume 28, Number 1—January 2022
Synopsis
Severe Acute Respiratory Syndrome Coronavirus 2 and Respiratory Virus Sentinel Surveillance, California, USA, May 10, 2020–June 12, 2021
, Christina Morales, Lauren Linde, Samuel Schildhauer, Hugo Guevara, Elena Chan, Kathryn Gibb, Jessie Wong, Wen Lin, Brandon J. Bonin, Olivia Arizmendi, Tracy Lam-Hine, Ori Tzvieli, Ann McDowell, Kirstie M. Kampen, Denise L. Lopez, Josh Ennis, Linda S. Lewis, Eyal Oren, April Hatada, Blanca Molinar, Matt Frederick, George S. Han, Martha Sanchez, Michael A. Garcia, Alana McGrath, Nga Q. Le, Eric Boyd, Regina M. Bertolucci, Jeremy Corrigan, Stephanie Brodine, Michael Austin, William R. K. Roach, Robert M. Levin, Brian M. Tyson, Jake M. Pry, Kristin J. Cummings, Debra A. Wadford, and Seema Jain
Table 1
Demographic, epidemiologic, and clinical characteristics of participants in study of surveillance for SARS-CoV-2 and other respiratory pathogens, California, USA, May 10, 2020–June 12, 2021*
| Characteristic | Positive, n = 1,696 | Negative, n = 6,966 | Total, N = 8,662 |
|---|---|---|---|
| Sex | n = 1,693 | n = 6,939 | n = 8,632 |
| F | 986 (58.2) | 4,228 (60.9) | 5,214 (60.4) |
| M | 707 (41.8) | 2,698 (38.9) | 3,405 (39.4) |
| Other† |
0 |
13 (0.2) |
13 (0.2) |
| Age category, y | n = 1,696 | n = 6,963 | n = 8,659 |
| <1–4 | 30 (1.8) | 224 (3.2) | 254 (2.9) |
| 5–17 | 173 (10.2) | 715 (10.3) | 888 (10.3) |
| 18–34 | 594 (35.0) | 2,538 (36.4) | 3,132 (36.2) |
| 35–49 | 530 (31.3) | 1,618 (23.2) | 2,148 (24.8) |
| 50–64 | 280 (16.5) | 1,301 (18.7) | 1,581 (18.3) |
| >65 |
89 (5.2) |
567 (8.1) |
656 (7.6) |
| Race/ethnicity‡ | n = 1,540 | n = 6,198 | n = 7,738 |
| White | 197 (12.8) | 2,068 (33.4) | 2,265 (29.3) |
| Latino/Hispanic | 1,209 (78.5) | 3,230 (52.1) | 4,439 (57.4) |
| Asian | 58 (3.8) | 403 (6.5) | 461 (6.0) |
| Black | 23 (1.5) | 159 (2.6) | 182 (2.4) |
| American Indian | 4 (0.3) | 32 (0.5) | 36 (0.5) |
| Native Hawaiian/Pacific Islander | 4 (0.3) | 25 (0.4) | 29 (0.4) |
| Multirace | 10 (0.6) | 74 (1.2) | 84 (1.1) |
| Other race |
35 (2.3) |
207 (3.3) |
242 (3.1) |
| Contact with COVID-19 case-patient§ |
494/1,343 (36.8) |
905/4,963 (18.2) |
1,399/6,306 (22.2) |
| Underlying conditions | |||
| Current or former smoker | 125/1,038 (12.0) | 714/4,078 (17.5) | 839/5,116 (16.4) |
| Obesity | 191/1,138 (16.8) | 483/4,359 (11.1) | 674/5,497 (12.3) |
| Asthma | 94/1,139 (8.3) | 506/4,366 (11.6) | 600/5,505 (10.9) |
| Diabetes | 118/1,139 (10.4) | 332/4,367 (7.6) | 450/5,506 (8.2) |
| Hypertension |
96/1,043 (9.2) |
354/4,075 (8.7) |
450/5,118 (8.8) |
| Occupation category¶ | n = 495 | n = 1,889 | n = 2,384 |
| Food preparation and serving related | 72 (14.5) | 256 (13.6) | 328 (13.8) |
| Sales and related | 67 (13.5) | 238 (12.6) | 305 (12.8) |
| Office and administrative support | 33 (6.7) | 166 (8.8) | 199 (8.3) |
| Personal care and service | 36 (7.3) | 159 (8.4) | 195 (8.2) |
| Construction and extraction | 62 (12.5) | 129 (6.8) | 191 (8) |
| Building and grounds, cleaning, and maintenance | 50 (10.1) | 128 (6.8) | 178 (7.5) |
| Protective service | 21 (4.2) | 81 (4.3) | 102 (4.3) |
| Healthcare practitioners and technical | 6 (1.2) | 90 (4.8) | 96 (4) |
| Management | 10 (2) | 84 (4.4) | 94 (3.9) |
| Production | 21 (4.2) | 68 (3.6) | 89 (3.7) |
| Farming, fishing, and forestry | 23 (4.6) | 59 (3.1) | 82 (3.4) |
| Education, training, and library | 10 (2) | 69 (3.7) | 79 (3.3) |
| Transportation | 29 (5.9) | 48 (2.5) | 77 (3.2) |
| Healthcare support | 11 (2.2) | 62 (3.3) | 73 (3.1) |
| Installation, maintenance, and repair | 12 (2.4) | 39 (2.1) | 51 (2.1) |
| Material moving |
14 (2.8) |
36 (1.9) |
50 (2.1) |
| Clinical manifestation | |||
| Asymptomatic | 184/1,682 (10.9) | 1,697/6,741 (25.2) | 1,881/8,423 (22.3) |
| Symptomatic | 1,498/1,682 (89.1) | 5,044/6,741 (74.8) | 6,542/8,423 (77.7) |
| ILI | 481/1,661 (29.0) | 888/6,675 (13.3) | 1,369/8,336 (16.4) |
| CLI | 422/1,659 (25.4) | 697/6,657 (10.5) | 1,119/8,316 (13.5) |
*Values are no. (%) or no. positive/no. tested (%).Participants were selected from the California SARS-CoV-2 and Respiratory Virus Sentinel Surveillance program. Participants who had missing information for a characteristic were excluded. COVID-19, coronavirus disease; CLI, COVID-19‒like illness; ILI, influenza-like illness; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2. †Includes respondents that identified as transgender or responded other. ‡If participant ethnicity was reported as Latino/Hispanic (Latino) then race/ethnicity was listed as Latino; otherwise, race/ethnicity was listed as the reported race. §Within the 14 days before onset. ¶Within the month before onset. Excluded occupation categories were reported by <50 participants. Free-text data on industry and occupation were coded by using the National Institute for Occupational Safety and Health Industry and Occupation Computerized Coding System (https://wwwn.cdc.gov/nioccs3/Default.aspx).