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Table 2 Logistic regression to identify risk factors for CHIK seropositivity*

From: Emergence of chikungunya seropositivity in healthy Malaysian adults residing in outbreak-free locations: Chikungunya seroprevalence results from the Malaysian Cohort

Covariates

Unadjusted

Adjusted

OR

95% CI

p-value

OR

95% CI

p-value

Gender

  

0.007 §

  

0.004 §

Female

1.000

-

 

1.000

-

 

Male

2.112

(1.223, 3.647)

0.007

2.262

(1.299, 3.938

0.004

Locality

  

<0.001 §

  

<0.001 §

Urban

1.000

-

 

1.000

-

 

Rural

3.923

(2.163, 7.115)

<0.001

4.088

(2.246, 7.439)

<0.001

Ethnicity

  

0.010 §

  

0.010 §

Indian & Others

1.000

-

 

1.000Â¥

-

 

Malay

2.520

(0.594, 10.688)

0.210

2.520

(0.594, 10.688)

0.210

Chinese

0.958

(0.209, 4.393)

0.956

0.958

(0.209, 4.393)

0.956

State

  

<0.001 §

  

<0.001 §

Kuala Lumpur

1.000

-

 

1.000Â¥

-

 

Selangor

0.866

(0.241, 3.110)

0.826

0.866

(0.241, 3.110)

0.826

Pahang

1.820

(0.664, 4.991)

0.245

1.820

(0.664, 4.991)

0.245

N.Sembilan

11.050

(4.540, 26.898)

<0.001 §

11.050

(4.540, 26.898)

<0.001 §

  1. Table footnote:
  2. *OR = odds ratio; CI = Confidence Interval.
  3. ¥ Not adjusted for other factors because there were no other significant individual factor.
  4. Bold § indicates significant values, where p<0.01.