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Table 4 Univariate and multivariate regression models showing risks of epilepsy by age group village and strata

From: High prevalence of epilepsy in two rural onchocerciasis endemic villages in the Mahenge area, Tanzania, after 20 years of community directed treatment with ivermectin

   Univariate Multivariate
Variable (N) Epilepsy cases (%) OR (95% CI) P-value OR (95% CI) P-value
Age group
 0–9 (1466) 12 (0.82) 1   1  
 10–19 (1229) 23 (1.87) 2.311 (1.145–4.663) 0.019 2.546 (1.259–5.146) 0.009
 20–29 (722) 44 (6.09) 7.863 (4.127–14.984) <0.0001 8.581 (4.494–16.387) < 0.001
 30–39 (559) 28 (5.01) 6.389 (3.226–12.656) <0.0001 6.924 (3.487–13.750) < 0.001
 40–49 (491) 11 (2.44) 3.035 (1.355–6.802) 0.007 3.5 (1.555–7.862) 0.002
 50–59 (281) 5 (1.78) 2.195 (0.767–6.28) 0.143 2.502 (0.872–7.179) 0.09
 60+ (366) 3 (0.82) 1.001 (0.281–3.567) 0.998 1.118 (0.313–3.994) 0.964
 Missing (5) 2 (40.0)     
Village
 Matumbala (972) 16 (1.65) 1   1  
 Vigoi (1646) 23 (1.40) 0.847 (0.445–1.611) 0.612 0.837 (0.439−1.598) 0.589
 Mdindo (941) 33 (3.51) 2.172 (1.187–3.972) 0.012 2.347 (1.277−4.314) 0.006
 Msogezi (1558) 55 (3.53) 2.186 (1.246–3.838) 0.006 2.308 (1.309−4.071) 0.004
Strata
 Suburban (2499) 39 (1.49) 1    
 Rural (2618) 88 (3.52) 2.414 (1.649–3.533) < 0.001