Table 3. Baseline characteristics of 260 study participants of the ZIKABRA study, by sex.
| Characteristics | Male | Female |
|---|---|---|
| (n = 76) | (n = 184) | |
| Age, years, median (IQR) | 35 (25.3–43) | 36.5 (28–47) |
| Race/ethnicity, n (%) | ||
| White | 15 (19.7) | 27 (14.7) |
| Black | 1 (1.3) | 8 (4.4) |
| Mixed | 48 (63.2) | 139 (75.5) |
| Indigenous | 4 (5.3) | 3 (1.6) |
| Yellow | - | 1 (0.5) |
| Unknown | 8 (10.5) | 5 (2.7) |
| Missing | - | 1 (0.5) |
| Highest formal educational attendance, n (%) | ||
| University/post-graduation | 16 (21.1) | 59 (32.1) |
| High school/technical college | 43 (56.6) | 93 (50.5) |
| Lower secondary | 7 (9.2) | 11 (6.0) |
| Primary | 9 (11.8) | 20 (10.9) |
| Less than primary | 1 (1.3) | 1 (0.5) |
| Marital Status, n (%) | ||
| Single | 32 (42.1) | 86 (46.7) |
| Married | 22 (28.9) | 59 (32.1) |
| Living with a partner | 19 (25.0) | 22 (12.0) |
| Separated or Divorced | 3 (3.9) | 14 (7.6) |
| Widowed | - | 3 (1.6) |
| Household contacts, median (IQR) | 3 (2–4) | 2 (1–4) |
| Self-reported history of chronic diseases, n (%) | ||
| Diabetes mellitus | 3 (3.9) | 1 (0.5) |
| Hypertension | 7 (9.2) | 19 (10.3) |
| Joint Disease | 1 (1.3) | 5 (2.7) |
| HIV infection | 1 (1.3) | - |
| Chronic hepatitis C | - | 1 (0.5) |
| Other chronic diseases* | 8 (10.5) | 20 (10.9) |
| BMI, median (IQR) | 28.9 (25.2–33.1) | 27 (23.2–29.9) |
| Underweight | - | 3 (1.6) |
| Normal | 17 (22.4) | 49 (26.6) |
| Overweight | 21 (27.6) | 72 (39.1) |
| Class I Obesity | 23 (30.3) | 40 (21.7) |
| Class II Obesity | 7 (9.2) | 13 (7.1) |
| Class III Obesity | 8 (10.5) | 3 (1.6) |
| Missing | - | 4 (2.2) |
| History of blood transfusion, yes, n (%) | 1(1.3) | 11 (6.0) |
| History of allergies, yes, n (%) | 16 (21.1) | 40 (21.7) |
| History of arbovirus infection, yes, n (%) | ||
| Zika | - | - |
| Dengue | 5 (6.6) | 28 (15.2) |
| Chikungunya | - | 2 (1.1) |
| Yellow fever | - | - |
IQR: Interquartile Range, BMI: Body mass index, in kg/m2
*Participants may have more than one chronic disease but were analyzed only once regarding the presence or not of chronic disease. Other chronic diseases reported: sickle cell disease (n = 1), breast cancer (n = 1), depression (n = 2), hypothyroidism (n = 1), hyperthyroidism (n = 1), endometriosis (n = 1), cholelithiasis (n = 1), labyrinthitis (n = 2), gastritis (n = 3), seizures (n = 1), hemorrhoids (n = 1), chronic urticaria (n = 2), contact dermatitis (n = 1), chronic sinusitis (n = 1), rotator cuff syndrome, synovitis, and tenosynovitis (n = 1), multiple myeloma (n = 1), chronic migraine (n = 1), herniated disc disease (n = 2), cardiopathy (n = 3).