Table 1. Characteristics of 276 T. cruzi-seropositive blood donors responding to the follow-up questionnaire (2017–2018).
| Subject characteristics | Full cohort N = 276 n (%) or median (IQR) |
|---|---|
| Age (years) | |
| < 40 | 15 (5.5) |
| 40–49 | 56 (20.4) |
| 50–59 | 96 (35.0) |
| 60–69 | 82 (29.9) |
| > = 70 | 25 (9.1) |
| Sex | |
| Male | 133 (48.2) |
| Female | 143 (51.8) |
| Country of origin | |
| Brazil | 274 (99.3) |
| Argentina | 1 (<1) |
| Bolivia | 1 (<1) |
| Self-reported skin color | |
| White | 128 (46.4) |
| Black | 39 (14.1) |
| Mixed (pardo) | 98 (35.5) |
| Other | 11 (4.0) |
| Educational level | |
| No schooling | 10 (3.6) |
| Incomplete primary schooling | 102 (37.0) |
| Complete primary schooling | 76 (27.5) |
| Complete secondary schooling | 67 (24.3) |
| College, technical or above | 21 (7.6) |
| Comorbidities | |
| Diabetes | 34 (12.6) |
| Renal disease | 12 (4.5) |
| Stroke | 7 (2.5) |
| Myocardial infarction | 9 (3.3) |
| Hypertension | 103 (38.0) |
| High cholesterol | 94 (36.6) |
| Smoking status | |
| Current smoker | 24 (8.7) |
| Ex-smoker | 108 (39.1) |
| Never smoker | 144 (52.2) |
| Follow-up* (years) | 12.7 (8.5–16.9) |
* time (in years) between the original donation date and follow-up visit. PCR–polymerase chain reaction; ECG–electrocardiogram; IQR–interquartile range. Missing data: 6 diabetes; 8 renal disease; 1 stroke; 1 myocardial infarction; 5 hypertension; 19 high cholesterol