Table 2. Demographic characteristics, socioeconomic status, and SARS-CoV-2 infection among persons recruited for cross-sectional study of farmworkers, Monterey County, California, USA, July 16–November 30, 2020*.
| Characteristics | Enrollees, no. (%) |
||
|---|---|---|---|
| All, n = 1,115 | Clinic, n = 565 | Outreach, n = 550 | |
| Age range, y | |||
| 18–29 | 277 (24.8) | 140 (24.7) | 137 (24.9) |
| 30–39 | 274 (24.6) | 136 (24.0) | 138 (25.1) |
| 40–49 | 298 (26.7) | 163 (28.8) | 135 (24.5) |
| 50–59 | 200 (17.9) | 90 (15.9) | 110 (20.0) |
|
>60 |
66 (5.9) |
36 (6.4) |
30 (5.5) |
| Sex | |||
| F | 586 (52.6) | 302 (53.5) | 284 (51.6) |
| M |
529 (47.4) |
263 (46.5) |
266 (48.4) |
| Country of birth | |||
| Mexico | 929 (83.3) | 486 (86.0) | 443 (80.5) |
| United States | 142 (12.7) | 49 (8.7) | 93 (16.9) |
| Other |
44 (3.9) |
30 (5.3) |
14 (2.5) |
| Language spoken at home | |||
| Spanish | 948 (85.0) | 460 (81.4) | 488 (88.7) |
| English | 57 (5.1) | 21 (3.7) | 36 (6.5) |
| Indigenous language |
110 (9.9) |
84 (14.9) |
26 (4.7) |
| Education | n = 1,114 | n = 564 | n = 550 |
| Never attended school | 62 (5.6) | 48 (8.5) | 14 (2.5) |
| Some primary school | 430 (38.6) | 229 (40.5) | 201 (36.5) |
| Primary school complete | 238 (21.3) | 119 (21.1) | 119 (21.6) |
| Some high school | 142 (12.7) | 68 (12.0) | 74 (13.5) |
| High school complete |
242 (21.7) |
100 (17.7) |
142 (25.8) |
| Family income, US $ | n = 1,059 | n = 536 | n =523 |
| <25,000 | 560 (52.8) | 291 (54.3) | 269 (51.4) |
| 25,000–34,999 | 260 (24.6) | 112 (20.9) | 148 (28.3) |
| 35,000–49,999 | 162 (15.3) | 86 (16.0) | 76 (14.5) |
|
>50,000 |
77 (7.3) |
47 (8.8) |
30 (5.7) |
| Years in United States | n = 1,114 | n = 564 | n = 550 |
| <15 | 262 (26.9) | 157 (30.4) | 105 (23.0) |
| 15–19 | 194 (19.9) | 110 (21.3) | 84 (18.4) |
| 20–29 | 299 (30.7) | 141 (27.3) | 158 (34.6) |
|
>30 |
217 (22.3) |
107 (20.7) |
110 (24.1) |
| H2A visa holder | n = 960 | n = 509 | n = 451 |
| Holds H2A visa |
65 (6.8) |
20 (4.0) |
45 (10.0) |
| Body mass index | n = 1,087 | n = 545 | n = 542 |
| <18.5, underweight | 4 (0.4) | 2 (0.4) | 2 (0.4) |
| 18.5–24.9, normal | 194 (17.8) | 106 (19.4) | 88 (16.2) |
| 25–29.9 overweight | 423 (38.9) | 212 (38.9) | 211 (38.9) |
|
>30, obese |
466 (42.9) |
225 (41.3) |
241 (44.5) |
| Smoking | n = 1,114 | n = 564 | n = 550 |
| Never smoked | 907 (81.4) | 460 (81.6) | 447 (81.3) |
| Former smoker | 158 (14.2) | 86 (15.2) | 72 (13.1) |
| Current smoker |
49 (4.4) |
18 (3.2) |
31 (5.6) |
| Recent COVID-19 symptoms | n = 1,108 | n = 565 | n = 543 |
| Symptoms in preceding 2 weeks |
301 (27.2) |
200 (35.8) |
101 (18.4) |
| History of COVID-19 symptoms | n = 1,108 | n = 558 | n = 550 |
| Symptoms since pandemic started in December 2019 |
457 (41.2) |
266 (47.7) |
191 (34.7) |
| SARS-CoV-2 infection | n = 1,111 | n = 563 | n = 548 |
| Positive TMA result |
141 (12.7) |
105 (18.7) |
36 (6.6) |
| Prior SARS-CoV-2 infection | n = 1,058 | n = 526 | n = 532 |
| Positive antibody result | 201 (19.0) | 97 (18.4) | 104 (19.5) |
*Clinic participants are those recruited on clinic premises, where they might have been seeking care for COVID-19 or any other illness. Outreach participants are those recruited at mobile testing operations in the community, who were not seeking medical care. COVID-19, coronavirus disease; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; TMA, transcription-mediated amplification nucleic acid assay.