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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