Table 2. Overall demographics of all participants, regardless of seropositivity, across Kenema, Tonkolili, and Port Loko Districts.
| Variable | Total (n = 10642) | Kenema (n = 5168) | Tonkolili (n = 3196) | Port Loko (n = 2278) | p-value* |
|---|---|---|---|---|---|
| Age | |||||
| Mean (SE**) | 25.68 (0.20) | 25.27 (0.30) | 26.01 (0.37) | 26.17 (0.39) | .078 |
| Sex (Female) N (%) | 5297 (49.71) | 2675 (51.76) | 1526 (47.75) | 1089 (47.81) | < .001 |
| IgG Positive N (%) | 1701 (15.98) | 1040 (20.12) | 339 (10.61) | 322 (14.14) | < .001 |
| Occupation *** N (%) | |||||
| Farming | 2420 (35.20) | 1286 (40.59) | 632 (29.90) | 502 (31.51) | < .001 |
| Domestic | 2047 (29.77) | 1072 (33.84) | 570 (25.96) | 405 (25.42) | |
| Trade | 1012 (14.72) | 270 (8.52) | 435 (20.58) | 307 (19.27) | |
| Education | 919 (13.37) | 255 (8.05) | 378 (17.88) | 286 (17.95) | |
| Other | 211 (3.07) | 100 (3.16) | 48 (2.27) | 63 (3.95) | |
| Mining | 169 (2.46) | 141 (4.45) | 24 (1.14) | 4 (0.25) | |
| Healthcare | 69 (1.00) | 29 (0.92) | 21 (0.99) | 19 (1.19) | |
| Transportation | 28 (0.41) | 15 (0.47) | 6 (0.28) | 7 (0.44) |
*Chi-square and Fisher’s exact test used for categorical variables. ANOVA used for comparison of mean values across districts.
**Standard error used to account for 2-stage cluster sampling, probability proportional to size.