Table 4.
Association between individual-level sociodemographic factors and the cumulative incidence of SC among 2,211 individuals providing both serum at the baseline and pre-randomization 18-month follow-up visits in 60 villages of Burkina Faso
| SC | ||||
|---|---|---|---|---|
| Variable | Total | n, SC | CIR (95% CI) | |
| Province | Boulkiemde | 1,037 | 43 (4.0%) | 2.27 (1.11; 4.66)* |
| Nayala | 408 | 14 (3.3%) | 1.71 (0.72; 4.08) | |
| Sanguie | 628 | 14 (2.2%) | Ref | |
| Age (years) | 6–17 | 673 | 17 (2.5%) | Ref |
| 18–30 | 340 | 14 (4.0%) | 1.73 (0.84; 3.58) | |
| 31–40 | 347 | 9 (2.5%) | 1.09 (0.47; 2.55) | |
| > 40 | 695 | 31 (4.3%) | 1.79 (0.97; 3.32)† | |
| Gender | Male | 881 | 29 (3.2%) | 1.00 (0.61; 1.63) |
| Female | 1,180 | 42 (3.4%) | Ref | |
| Wealth quintile | 0 | 381 | 16 (4.0%) | 1.20 (0.55; 2.64) |
| 1 | 418 | 18 (4.1%) | 1.44 (0.70; 2.94) | |
| 2 | 417 | 9 (2.1%) | 0.70 (0.29; 1.69) | |
| 3 | 406 | 15 (3.6%) | 1.33 (0.64; 2.77) | |
| 4 | 448 | 13 (2.8%) | Ref | |
| Occupation | Student/pupil | 491 | 10 (2.0%) | Ref |
| Farmer | 730 | 28 (3.7%) | 1.91 (0.91; 4.04)† | |
| Housewife | 745 | 30 (3.9%) | 1.93 (0.92; 4.07)† | |
| Others | 94 | 3 (3.1%) | 1.66 (0.46; 5.99) | |
| School attendance | Yes | 634 | 15 (2.3%) | 0.58 (0.32; 1.06)† |
| No | 1,426 | 56 (3.8%) | Ref | |
CC = cysticercosis; CIR = cumulative incidence ratio; Ref = reference; SC = seroconversion; 95% CI = 95% Wald confidence interval for fixed effects in mixed models with village as random variable and type of concession, sampling interval, and the variable of interest as fixed effects.
*
P < 0.05.
†
P < 0.10.