Table 1. Demographic characteristics of persons with suspected Zika virus infections, Roatán, Honduras, September 2015–July 2016*.
| Characteristic |
Total, n = 183 |
Zika virus infection, n = 79 |
No Zika virus infection, n = 104 |
| Age, y | 26 (19–37) | 27 (21–38) | 24 (17–35) |
| Sex | |||
| M | 73 (39.9) | 28 (35.4) | 45 (43.3) |
| F | 110 (60.1) | 51 (64.6) | 59 (56.7) |
| Living conditions | |||
| Dirt floor | 12 (6.6) | 4 (5.1) | 8 (7.7) |
| Running water | 149 (81.4) | 71 (89.9) | 78 (75.0) |
| Electricity | 165 (90.2) | 75 (94.9) | 90 (86.5) |
| Mosquito nets over beds | 46 (25.1) | 22 (27.8) | 24 (23.1) |
| Rooms | 2 (1–2) | 2 (1–3) | 2 (1–2) |
| Persons in household | 4 (3–5.5) | 4 (3–5) | 4 (3–6) |
| Sign or symptoms | |||
| Headache | 165 (90.2) | 75 (94.9) | 90 (86.5) |
| Muscle aches | 159 (86.9) | 67 (84.8) | 92 (88.5) |
| Joint ache | 162 (88.5) | 71 (89.9) | 91 (87.5) |
| Eye pain | 131 (71.6) | 61 (77.2) | 70 (67.3) |
| Rash | 102 (55.7) | 73 (92.4) | 29 (27.9) |
| Bleeding | 1 (0.5) | 0 | 1 (1.0) |
| Vomiting | 49 (26.8) | 11 (13.9) | 38 (36.5) |
| Petechiae | 5 (2.7) | 2 (2.5) | 3 (2.9) |
| Epistaxis | 1 (0.5) | 0 | 1 (1.0) |
| Gingivitis | 3 (1.6) | 1 (1.3) | 2 (1.9) |
| Other | 123 (67.2) | 53 (67.1) | 70 (67.3) |
| Body temperature, °C, mean (SD) | 37.8 (1.1) | 37.3 (0.9) | 38.1 (1.1) |
| Days between symptom onset and seeking treatment | 3 (1–4) | 3 (1–4.5) | 2 (2–4) |
| History of infectious diseases | |||
| Dengue | 45 (24.6) | 21 (26.6) | 24 (23.1) |
| Malaria | 33 (18.0) | 18 (22.8) | 15 (14.4) |
| Chikungunya | 61 (33.3) | 28 (35.4) | 33 (31.7) |
*Values are median (IQR) or no. (%) unless indicated otherwise. IQR, interquartile range.