Table 4.
Confirmed or Probable Positive Chagas infection by Demographic Characteristics among 1st time Donors.
| Characteristics | Serological pattern |
||
|---|---|---|---|
| Confirmed Positive Chagas (CP) or Probable Positive Chagas (PP) | |||
| N (Donations) | N (Positive) | Prevalence/100,000 donations (95%CI) | |
| Overall | 186970 | 262 | 140 (123 – 157) |
| Age | |||
| age <25 | 73596 | 17 | 23 (12 – 34)* |
| age ≥ 25 - <35 | 61857 | 60 | 97 (72 – 125) |
| age ≥ 35 - <45 | 31329 | 82 | 262 (205 – 318) |
| age ≥ 45 - <55 | 15761 | 67 | 425 (323 – 527) |
| age ≥ 55 | 4363 | 36 | 825 (557 – 1094) |
| Gender | |||
| Female | 73630 | 108 | 147 (119 – 174) |
| Male | 113340 | 154 | 136 (114 – 157) |
| Education | |||
| < High School | 12817 | 71 | 554 (425 – 682)* |
| High School | 16913 | 45 | 266 (188 – 344) |
| Complete 3 of College | 62486 | 35 | 56 (37 – 75) |
| College + | 15566 | 3 | 19 (0 – 41) |
| Type of Donation | |||
| Community | 100092 | 127 | 127 (105 – 149) |
| Replacement | 86843 | 135 | 155 (129 – 182) |
| Location | |||
| Recife | 57921 | 35 | 60 (40 – 80)* |
| Belo Horizonte | 43871 | 52 | 119 (86 – 151) |
| Sao Paulo | 85178 | 175 | 206 (175 – 236) |
95%CI: 95% Confidence Interval
*
p-value < 0.05