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Table 4 Univariate regression analysis of CCHF seropositive data generated from subjects belonging to all the districts of Gujarat State

From: Crimean Congo hemorrhagic fever serosurvey in humans for identifying high-risk populations and high-risk areas in the endemic state of Gujarat, India

Risk factors

Negative

Positive (Percent %)

Total

Odds ratio

95% CI

p-value

Gender

 Male

2373

18 (0.75)

2391

2.8033

1.16–6.72

0.0209*

 Female

2580

7 (0.27)

2587

1

  

Age groups

 0 - < 20

498

1 (0.20)

499

1

  

 20 - < 40

2126

7 (0.33)

2133

1.6343

0.20–13.31

0.6462

 40 - < 60

1773

14 (0.78)

1787

3.9015

0.51–29.74

0.189

 60 - < 80

542

3 (0.55)

545

2.7565

0.28–26.58

0.3806

 80 - < 100

14

0

14

0

  

Subject Category

 A: CCHF affected person/ house/ close contacts

182

17 (8.54%)

199

88.3317

11.68–667.55

< 0.0001*

 F: Abattoir workers

103

1 (0.96%)

104

9.9423

0.61–160.12

0.1053

 B: Neighborhood

824

5 (0.60%)

829

6.2364

0.72–53.48

0.095

 C: Animal grazers

722

1 (0.14%)

723

1.4302

0.08–22.93

0.8004

 E: Farmers

1034

1 (0.10%)

1035

1

  

 D: General population

1677

0

1677

0

  

 G: Veterinarian

104

0

104

0

  

 H: Healthcare personnel

307

0

307

0

  

Seropositive Districts

 Ahmedabad

99

1 (1.00%)

100

2.01

0.12–32.47

0.6228

 Amreli

185

11 (5.61%)

196

11.2806

1.44–88.20

0.0209*

 Aravalli

86

3 (3.37%)

89

6.7753

0.69–66.03

0.0996

 Rajkot

98

2 (2.00%)

100

4.02

0.36–44.86

0.2583

 Kutch

98

2 (2.00%)

100

4.02

0.36–44.86

0.2583

 Surendranagar

99

1 (1.00%)

100

2.01

0.12–32.47

0.6228

 Anand

99

1 (1.00%)

100

2.01

0.12–32.47

0.6228

 Kheda

95

1 (1.04%)

96

2.0937

0.12–33.83

0.6027

 Morbi

99

1 (1.00%)

100

2.01

0.12–32.47

0.6228

 Panchmahal

199

1 (0.50%)

200

1.005

0.06–16.17

0.9972

 Devbhoomi Dwarka

200

1 (0.50%)

201

1

  
  1. * indicate significant values