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Table 3 Crude and adjusted odds ratio with 95% CI of risk factors for CHIKV infection

From: The assessment of risk factors for the Central/East African Genotype of chikungunya virus infections in the state of Kelantan: a case control study in Malaysia

Factors Crude OR (95% CI) p-value Adjusted OR (95% CI) p-value
Gender:  
Male 0.94 0.55-1.62   0.87 0.49-1.57 p>0.05
Female Reference  
Ethnic groups:  
Malay 0.78 0.04-12.55 p>0.05 0.54 0.03-9.10 p>0.05
Chinese 0.50 0.13-19.56 p>0.05 0.37 0.01-16.83 p>0.05
Others Reference  
Age groups  
Elderly 2.26 0.77-6.63 p>0.05 1.81 0.58-5.68 p>0.05
Adult 2.39 1.00-5.69 p>0.05 1.94 0.77-4.86 p>0.05
Adolescent Reference  
Occupations:  
Government officer Reference  
Teacher 2.25 0.18-28.25 p>0.05 2.78 0.20-38.91 p>0.05
Retired 1.50 0.06-40.63 p>0.05 1.07 0.38-29.75 p>0.05
Student 0.58 0.08-4.27 p>0.05 0.99 0.13-7.76 p>0.05
Self employed 1.24 0.19-8.20 p>0.05 1.62 0.23-11.3 p>0.05
Labourer 0.93 0.11-7.72 p>0.05 1.41 0.16-12.58 p>0.05
Others 0.60 0.08-4.54 p>0.05 0.88 0.11-7.19 p>0.05
Housewife 1.01 0.16-6.04 p>0.05 1.49 0.22-9.97 p>0.05
Rubber tapper 4.50 0.60-32.70 p>0.05 3.68 1.43-9.47 0.007
Locality:  
Urban Reference  
Rural 2.42 0.64-9.20 p>0.05 1.54 0.37-6.35 p>0.05
Level of education:  
Primary School Reference  
Lower secondary school 0.98 0.47-2.01 p>0.05 0.80 0.367-1.74 p>0.05
Upper secondary school 0.80 0.39-1.64 p>0.05 0.59 0.27-1.30 p>0.05
College/Universities 0.21 0.28-5.40 p>0.05 0.20 0.02-1.84 p>0.05
Religious School 1.23 0.28-5.40 p>0.05 1.50 0.29-7.59 p>0.05
No formal education 1.41 0.45-4.39 p>0.05 1.16 0.35-3.84 p>0.05
Staying together with relatives being infected with Chikungunya 3.24 1.82-5.78 p>0.05 2.50 1.37-4.58 0.003
Visit chikungunya patient 1.73 0.90-3.34 p>0.05 0.78 0.33-1.82 p>0.05
Staying more outside the house in early morning and late afternoon 1.66 0.76-3.63 p>0.05 0.80 0.28-2.31 p>0.05
Had history been to potential places for mosquito bite 3.06 1.32-7.09 0.009 1.55 0.52-4.67 p>0.05
Apply one of the preventive methods 0.17 0.06-0.51 0.002 0.39 0.11-1.37 p>0.05
Wearing the long sleeve 0.61 0.35-1.06 p>0.05 0.85 0.43-1.68 p>0.05
Apply the repellent lotion 1.17 0.32-4.26 p>0.05 1.45 0.35-6.09 p>0.05
Use of mosquito coils insecticide 0.38 0.22-068 0.001 0.44 0.24-0.79 0.007
Using the Mosquito net 0.65 0.38-1.11 p>0.05 0.61 0.31-1.19 p>0.05
Had history of travelling during the last 2 week 0.99 0.42-2.38 p>0.05 1.30 0.48-3.53 p>0.05
Working in area of plantation border to southern Thailand 3.98 0.41-38.87 p>0.05 1.36 0.12-14.8 p>0.05
Had been visited by relative from Southern Thailand 2.62 0.23-29.37 p>0.05 1.57 0.14-17.9 p>0.05
Had been visited by anybody from any places 5.56 0.97-26.84 p>0.05 3.86 0.75-19.64 p>0.05
  1. Note: No body made any visit to relative in southern Thailand and no any relatives in southern Thailand that they know had been infected with chikungunya infection.