Table 1. Socio-demographic profile of confirmed and probable cases in the two outbreaks.
| Characteristics | Outbreak 1 Dec. 2017 - Apr. 2018 | Outbreak 2 Aug. 2018 - Dec. 2018 | P value | |||
|---|---|---|---|---|---|---|
| n | % | n | % | |||
| Total | 69 | 100.0 | 14 | 100.0 | ||
| Age (years) | Mean (SD) | 36.3 (19.4) | 35.6 (19.2) | 0.728* | ||
| Sex | Male | 38 | 55.1 | 7 | 50.0 | 0.728** |
| Female | 31 | 44.9 | 7 | 50.0 | ||
| Location | Urban area | 37 | 53.6 | 1 | 7.1 | <0.001** |
| Rural area | 32 | 46.3 | 13 | 92.9 | ||
| Occupationa | Trader | 19 | 29.2 | 0.0 | 0.008** | |
| Student/Children* | 15 | 23.1 | 6 | 42.9 | ||
| Health worker | 12 | 18.5 | 0.0 | |||
| Civil Servant | 10 | 15.4 | 1 | 7.1 | ||
| Farmer | 8 | 12.3 | 7 | 50.0 | ||
| Not recorded | 1 | 1.5 | 0.0 | |||
| Hospitalised | Yes | 62 | 89.9 | 9 | 64.3 | 0.013** |
| No | 7 | 10.1 | 5 | 35.7 | ||
| Epidemiological link established | Yes | 19 | 27.5 | 12 | 85.7 | 0.001** |
| No | 50 | 72.5 | 1 | 7.1 | ||
| Time between onset of symptoms and admission | Median (IQR) | 7 (4–13) N = 67 |
10 (7–12) N = 9 |
0.278*** | ||
SD = standard deviation; IQR, interquartile range *students and children aged 0-18years
aoccupation in outbreak1, n = 65
* T-test
** Chi squared test
*** Kruskal wallis test.