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Table 1 The distribution of the categorical variables from these analyses, all numbers are farm years

From: Risk factors for bovine Tuberculosis at the national level in Great Britain

  

Testing interval

 

Unit

All herds

1 year

2,3 year

4 year

  

Non-TB

TB

Non-TB

TB

Non-TB

TB

Non-TB

TB

Country

England

373849

9068

91768

6607

52630

1491

187359

284

Wales

102840

2400

25107

1539

20908

539

95854

131

Scotland

95854

131

0

0

0

0

34143

52

Herd type

Beef

213231

3566

44569

2649

24199

552

124649

132

Fatt’

58847

1163

10286

764

6133

181

37872

115

Suckler

167501

2770

31721

1927

22144

515

92457

102

 

Dairy

113234

3807

26576

2618

18435

728

51255

96

 

Store

19730

293

3723

188

2627

54

11123

22

Herd size

0 – 10

137438

427

27406

320

17158

61

78065

18

 

11 – 100

242294

4021

51514

2984

31853

660

130805

90

 

>100

192811

7151

37955

4842

24527

1309

108486

359

Irish imports

0

567291

11505

116560

8116

73312

2019

312810

423

>0

5252

94

315

30

226

11

4546

44

History

No

556467

9744

103245

6430

72053

1923

317053

464

Yes

16076

1855

13630

1716

1485

107

303

3

High risk moves

0

290232

393

15031

164

9958

39

246715

147

1-10

102995

923

22602

622

14758

122

45405

62

>10

179316

10283

79242

7360

48822

1869

25236

258

FMD

No

561173

11296

114834

7958

72219

1970

310725

448

Yes

11370

303

2041

188

1319

60

6631

19

Badgers

Mean prob'

0.259

0.281

0.293

0.295

0.283

0.286

0.223

0.219

Block Totals

572543

11599

116875

8146

73538

2030

317356

467