Table 2.
Demographics, treatment history and Schistosoma mansoni infection status of communities examined in this study.
| Characteristic | Community | ||
|---|---|---|---|
| Jenipapo n = 482 |
Volta do Rio n = 367 |
||
| Sex | |||
| Male (%) | 234 (48.5) | 166 (47.8) | |
| Female (%) | 248 (51.5) | 201 (52.2) | |
| Age (years) | |||
| Mean (S.D.) | 30.5 (21.6) | 32.5 (25.3) | |
| Min.-Max. | 1 – 101 | 1 – 91 | |
| Birthplace | |||
| Within district (%) | 407 (84.4) | 300 (81.7) | |
| Other (%) | 75 (15.6) | 67 (18.3) | |
| % of lifespan in district | 92.8 | 90.2 | |
| Previous treatmenta | |||
| Treated (%) | 166 (34.4) | 121 (33.0) | |
| Not treated (%) | 14 (2.9) | 6 (1.6) | |
| Do not know (%) | 302 (62.7) | 240 (66.4) | |
| Medication useda | |||
| Oxamniquine (%) | 112 (70.4b) | 66 (85.7) | P = 0.02c |
| Praziquantel (%) | 47 (29.6) | 11 (14.3) | |
| S. mansoni infection | |||
| Pretreatment | |||
| Prevalence (%) | 210 (43.6) | 124 (33.8) | P < 0.01c |
| Intensitye (S.D.) | 278 (4.1) | 435 (4.4) | P = 0.26d |
| Post-treatment | |||
| Prevalence (%) | 16 (7.6) | 17 (15.3) | P = 0.07 |
| Intensitye (S.D.) | 25 (3.9) | 71 (3.8) | P = 0.03 |
a
Self-reported
b
Percentage of those identifying a medication
c
Yates’ corrected chi-square test
d
Two-sided t-test with unequal variances comparing Jenipapo and Volta do Rio
e
Log transformed mean eggs per gram of feces