Table 1. Characteristics of the 4768 individuals screened for epilepsy and worsening severe chronic headaches (WSCH) across 60 villages in three provinces of Burkina Faso, 2011–2012.
| Characteristic | N (%) |
|---|---|
| Age (24 missing) | |
| 6–17 years | 1515 (31.9%) |
| 18–40 years | 1679 (35.4%) |
| 41 years and older | 1550 (32.7%) |
| Gender (1 missing) | |
| Female | 2564 (53.8%) |
| Male | 2203 (46.2%) |
| Education | |
| Did not complete primary school | 4171 (87.5%) |
| Completed primary school | 371 (7.8%) |
| Completed at least secondary school | 226 (4.7%) |
| Occupation (1 missing) | |
| Student/Pupil | 924 (19.4%) |
| Farmer/gardener | 1819 (38.2%) |
| Housewife/house cleaner | 1672 (35.0%) |
| Commerce/ Salaried/ Skilled self-employed/ Unemployed | 352 (7.4%) |
| Screening results | |
| Negative | 4099 (86.0%) |
| Positive for epilepsy | 337 (7.0%) |
| Positive for WSCH | 134 (2.8%) |
| Positive for epilepsy and WSCH | 198 (4.2%) |
| Diagnosis results from medical exam | |
| None | 4460 (93.5%) |
| Epilepsy | 147 (3.1%) |
| WSCH | 142 (3.0%) |
| Epilepsy and WSCH | 19 (0.4%) |
Impact of verification bias and misclassification error on the prevalence estimates of epilepsy and WSCH