Table 1.
Demographics of Sampled Populations in Arkansas Over 3 Collection Periods, August–December 2020
| Characteristica | Time Period 1 | Time Period 2 | Time Period 3 | Total | Arkansas |
|---|---|---|---|---|---|
| (n = 1301) | (n = 2098) | (n = 2405) | (N = 5804) | (n = 2 282 191) | |
| Age group | |||||
| 18-29 y | 257 (19.8) | 406 (19.4) | 562 (23.4) | 1225 (21.1) | 471 866 (20.7) |
| 30-39 y | 244 (18.8) | 394 (18.8) | 428 (17.8) | 1066 (18.4) | 377 230 (16.5) |
| 40-49 y | 205 (15.8) | 294 (14.0) | 335 (13.9) | 834 (14.4) | 355 760 (15.6) |
| 50-59 y | 211 (16.2) | 335 (16.0) | 358 (14.9) | 904 (15.6) | 373 048 (16.3) |
| 60-69 y | 209 (16.1) | 349 (16.6) | 377 (15.7) | 935 (16.1) | 349 101 (15.3) |
| ≥70 y | 175 (13.5) | 319 (15.2) | 345 (14.4) | 839 (14.5) | 355 186 (15.6) |
| Missing | 0 | 1 | 0 | 1 | … |
| Sex | |||||
| Female | 898 (69.3) | 1430 (68.2) | 1661 (69.1) | 3989 (68.8) | 1 176 416 (51.5) |
| Male | 398 (30.7) | 668 (31.8) | 742 (30.9) | 1808 (31.2) | 1 105 775 (48.5) |
| Missing | 5 | 0 | 2 | 7 | … |
| Race/ethnicity | |||||
| White | 565 (45.7) | 937 (47.6) | 1120 (47.0) | 2622 (46.9) | 1 733 824 (76.0) |
| Black | 558 (45.2) | 831 (42.2) | 1026 (43.1) | 2415 (43.2) | 341 540 (15.0) |
| Hispanic | 74 (6.0) | 126 (6.4) | 137 (5.8) | 337 (6.0) | 144 447 (6.3) |
| Other | 39 (3.2) | 75 (3.8) | 99 (4.2) | 213 (3.8) | 62 380 (2.7) |
| Missing | 65 | 129 | 23 | 217 | … |
| Area | |||||
| Urban | 1126 (86.8) | 1838 (87.6) | 1990 (82.8) | 4954 (85.4) | 1 816 489 (60.4)b |
| Rural | 171 (13.2) | 260 (12.4) | 413 (17.2) | 844 (14.6) | 1 189 468 (39.6)b |
| Missing | 4 | 0 | 2 | 6 | … |
| Collection site | |||||
| UAMS | 981 (75.4) | 1338 (63.8) | 1485 (61.8) | 3804 (65.5) | … |
| Pine Bluff | 266 (20.5) | 403 (19.2) | 319 (13.3) | 988 (17.0) | … |
| Fort Smith | … | 206 (9.8) | 131 (5.5) | 337 (5.8) | … |
| Springdale | 54 (4.2) | 151 (7.2) | 220 (9.2) | 425 (7.3) | … |
| ADH | … | … | 250 (10.4) | 250 (4.3) | … |
| SARS-CoV-2 test performed | |||||
| Yes | 139 (11.4) | 271 (12.9) | 437 (20.3) | 847 (15.5) | … |
| No | 1078 (88.6) | 1827 (87.1) | 1717 (79.7) | 4622 (84.5) | … |
| Missing | 84 | 0 | 251 | 335 | … |
| SARS-CoV-2 test result | |||||
| Positive | 12 (9.1) | 17 (6.3) | 8 (8.3) | 37 (7.4) | … |
| Negative | 120 (90.9) | 253 (93.7) | 89 (91.8) | 462 (92.6) | … |
| Missing | 1169 | 1828 | 2308 | 5305 | … |
Data are presented as No. (%) unless otherwise indicated.
Abbreviations: ADH, Arkansas Department of Health; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; UAMS, University of Arkansas for Medical Sciences.
Missing data are not included in the analysis for a variable.
The Arkansas rural/urban population is total population (N = 3 005 957) rather than adults only.