Table 4.
Univariate analysis of MDA participation, diagnosis and knowledge risk factors affecting antigen and antibody positivity
| Factor | Level | Ag | Bm14 Ab | Wb123 Ab | Any Ab | ||||
|---|---|---|---|---|---|---|---|---|---|
| % positive (n) | OR (95% CI) | % positive (n) | OR (95% CI) | % positive (n) | OR (95% CI) | % positive (n) | OR (95% CI) | ||
| MDA | Never taken | 2.60 (192) | 9.90 (192) | 11.98 (192) | 15.63 (192) | ||||
| Taken (anywhere) | 1.41 (426) | 0.53 (0.16–1.77) | 12.50 (424) | 1.30 (0.75–2.26) | 10.61 (424) | 0.87 (0.51–1.49) | 17.45 (424) | 1.15 (0.72–1.81) | |
| Ever diagnosed with LF | No | 1.46 (616) | # | 11.89 (614) | # | 11.07 (614) | 17.10 (614) | ||
| Yes | 0.00 (8) | na | 0.00 (8) | na | 25.00 (8) | 2.68 (0.53–13.52) | 25.00 (8) | 1.62 (0.32–8.12) | |
| Know swelling or genitourinary symptom | No | 2.42 (289) | 12.46 (289) | 12.80 (289) | 19.38 (289) | ||||
| Yes | 0.78 (255) | 0.32 (0.07–1.55)* | 10.63 (254) | 0.84 (0.49–1.42) | 9.84 (254) | 0.74 (0.43–1.27) | 15.35 (254) | 0.75 (0.48–1.18) | |
| Know skin changes | No | 1.84 (434) | 12.24 (433) | 11.32 (433) | 18.24 (433) | ||||
| Yes | 0.91 (110) | 0.49 (0.06–3.95) | 9.09 (110) | 0.72 (0.35–1.46) | 11.82 (110) | 1.05 (0.55–2.01) | 14.55 (110) | 0.76 (0.48–1.18) | |
| Know chronic symptoms | No | 2.49 (241) | 13.69 (241) | 13.28 (241) | 21.16 (241) | ||||
| Yes | 0.99 (303) | 0.39 (0.10–1.58)* | 9.93 (302) | 0.70 (0.41–1.18)* | 9.93 (302) | 0.72 (0.42–1.22) | 14.57 (302) | 0.64 (0.41–0.99)*** | |
| Know acute symptoms | No | 1.11 (451) | 11.09 (451) | 11.31 (451) | 16.85 (451) | ||||
| Yes | 4.30 (93) | 4.01 (1.06–15.22)*** | 14.13 (92) | 1.32 (0.68–2.54) | 11.96 (92) | 1.07 (0.53–2.13) | 20.65 (92) | 1.28 (0.73–2.25) | |
| Know any symptom | No | 1.52 (198) | 12.63 (198) | 13.64 (198) | 20.71 (198) | ||||
| Yes | 1.73 (346) | 1.15 (0.28–4.64) | 11.01 (345) | 0.86 (0.50–1.47) | 10.14 (345) | 0.72 (0.42–1.22) | 15.65 (345) | 0.71 (0.45–1.11)* | |
| Know mosquito as cause | No | 1.69 (177) | 15.25 (177) | 16.38 (177) | 24.29 (177) | ||||
| Yes | 1.63 (367) | 0.96 (0.24–3.90) | 9.84 (366) | 0.61 (0.35–1.03)** | 9.02 (366) | 0.51 (0.30–0.86)*** | 14.21 (366) | 0.52 (0.33–0.81)*** | |
*P < 0.2, **P < 0.1; ***P < 0.05; ****P < 0.01; # not significant (Fisher’s exact test)
Abbreviations: Ag: antigen (ICT and/or Og4C3); n, no. positive; N, no. tested; na, not available (zero cases)