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. 2021 Aug 10;12:4809. doi: 10.1038/s41467-021-25137-x

Table 1.

Demographic characteristics of SARS-CoV-2 positive samples collected between 17th March and 31st July 2020 (n = 406) from coastal Kenya.

Mombasa (n = 287) Other coastal counties (n = 119) Total (n = 406)
Sex
Female 89 (31.0%) 21 (17.6%) 110 (27.1%)
Male 176 (61.3%) 92 (77.3%) 268 (66.0%)
Unknown 22 (7.7%) 6 (5.0%) 28 (6.9%)
Age
Mean (SD) 40.7 (16.2) 37.6 (11.8) 39.8 (15.0)
Median [Min, Max] 40.0 [1.00, 85.0] 35.0 [12.0, 75.0] 39.0 [1.00, 85.0]
Missing 14 (4.9%) 2 (1.7%) 16 (3.9%)
Age category
0–9 10 (3.5%) 0 (0%) 10 (2.5%)
10–19 10 (3.5%) 2 (1.7%) 12 (3.0%)
20–29 41 (14.3%) 26 (21.8%) 67 (16.5%)
30–39 71 (24.7%) 43 (36.1%) 114 (28.1%)
40–49 55 (19.2%) 27 (22.7%) 82 (20.2%)
50–59 53 (18.5%) 13 (10.9%) 66 (16.3%)
60–69 23 (8.0%) 2 (1.7%) 25 (6.2%)
70–79 6 (2.1%) 4 (3.4%) 10 (2.5%)
80–89 4 (1.4%) 0 (0%) 4 (1.0%)
Missing 14 (4.9%) 2 (1.7%) 16 (3.9%)
Travel information
Border 19 (6.6%) 48 (40.3%) 67 (16.5%)
Local 141 (49.1%) 27 (22.7%) 168 (41.4%)
Travel associated 13 (4.5%) 29 (24.4%) 42 (10.3%)
Unknown 114 (39.7%) 15 (12.6%) 129 (31.8%)
Symptoms
Asymptomatic 155 (54.0%) 76 (63.9%) 231 (56.9%)
Symptomatic 43 (15.0%) 7 (5.9%) 50 (12.3%)
Unknown 89 (31.0%) 36 (30.3%) 125 (30.8%)

The case history demographic characteristic was derived from both self-reported travel history and presentation at a border point. Local case-history refers to individuals that did not report a history of travel and were not screened at a port of entry. Individuals with missing case histories were labelled as unknown.