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Table 5 Influencing factors of brucellosis by multinomial logistic regression. Reference: people without brucellosis; sex of control: women; age of control: 1 to 13 years old; profession of control: nonfarmer and nonherdsmen; contact history of control: no contact

From: Associated factors in distinguishing patients with brucellosis from suspected cases

Group

Influencing factor

B

Std. Error

Wald

Sig.

Exp(B)

95% CI for Exp(B)

Lower

Upper

Confirmed case

Sex

0

.810

0

.096

71

.773

0

.000

2

.249

1

.864

2

.712

Age

 14~25-years-old

0

.652

0

.327

3

.966

0

.046

1

.920

1

.010

3

.647

 26~35-years-old

0

.674

0

.323

4

.351

0

.037

1

.963

1

.042

3

.700

 36~45-years-old

0

.790

0

.316

6

.269

0

.012

2

.204

1

.187

4

.091

 46~55-years-old

0

.889

0

.315

7

.966

0

.005

2

.432

1

.312

4

.507

 56~65-years-old

0

.917

0

.325

7

.947

0

.005

2

.501

1

.322

4

.730

 66~86-years-old

0

.782

0

.381

4

.224

0

.040

2

.186

1

.037

4

.608

Farmers and herdsmen

0

.360

0

.158

5

.218

0

.022

1

.434

1

.052

1

.953

Unspecified occupation

1

.624

0

.253

41

.333

0

.000

5

.071

3

.091

8

.319

Abortion products

0

.922

0

.106

75

.005

0

.000

2

.513

2

.040

3

.096

Suspected case

Sex

0

.502

0

.129

15

.240

0

.000

1

.652

1

.284

2

.126

Farmers and herdsmen

0

.639

0

.235

7

.388

0

.007

1

.895

1

.195

3

.004

Unspecified occupation

1

.536

0

.350

19

.288

0

.000

4

.646

2

.341

9

.220

Abortion products

0

.714

0

.144

24

.629

0

.000

2

.043

1

.541

2

.708

Feces

0

.409

0

.189

4

.670

0

.031

1

.506

1

.039

2

.183