Table 2 Pooled prevalence estimates of foot and mouth disease, stratified by sub-groups

Overall prevalence

13,510

2705

21.39 [16.53– 26.68]

98

-

 < 0.01

-

-

Agro-ecology

Highland

4173

329

7.85 [4.94 – 12.24]

99

0.57

 < 0.01

Midland

3501

302

10.82 [6.34 – 17.23]

97

0.57

 < 0.01

2.83

0.240

Lowland

5435

640

13.25 [8.45 – 19.23]

97

0.57

 < 0.01

Herd size

Large herd

3731

451

10.82 [7.42 – 13.82]

98

0.21

 < 0.01

Medium herd

3349

300

8.18 [6.55 – 11.97]

96

0.21

 < 0.01

8.05

0.020

Small herd

3345

216

5.86 [4.89 – 7.27]

94

0.21

 < 0.01

Production system

Extensive

12,246

1931

15.24 12.16 – 20.33]

96

0.54

 < 0.01

Semi-intensive

2476

239

12.85 [7.65 – 21.05]

97

0.54

 < 0.01

2.18

0.340

Intensive

1579

405

22.06 [12.79 – 37.32]

96

0.54

 < 0.01

Grazing system

Communal grazing

7250

1049

40.42 [37.86 – 43.02]

94

0.41

 < 0.01

0.63

0.430

Separate grazing

3928

969

19.51 [10.33 – 29.85]

98

0.41

 < 0.01

Movement history

No movement

6427

374

4.63 [1.51 – 14.58]

89

1.49

 < 0.01

1.54

0.210

Yes movement

4172

580

11.50 [5.27 – 22.28]

97

1.49

 < 0.01

Animal composition

Mixed

4971

391

17.62 [9.28 – 29.23]

98

1.08

 < 0.01

6.55

0.010

Not mixed

3867

218

3.58 [1.82 – 10.31]

98

1.08

 < 0.01

Cattle breed

Cross

3268

523

7.54 [3.87 – 16.82]

99

1.37

 < 0.01

2.69

0.100

Local

12,336

2024

15.1 [10.21 – 22.6]

99

1.37

 < 0.01

Age group of cattle

 > 3 years age

11,746

1781

19.52 [14.46 – 25.81]

97

0.49

 < 0.01

35.6

 < 0.01

 ≤ 3 years age

10,102

513

14.64 [11.93 – 18.86]

95

0.49

 < 0.01

Sex

Female

10,329

1499

13.28 [10.77 – 16.19]

98

0.32

 < 0.01

14.16

 < 0.01

Male

11,249

890

7.31 [5.21 – 9.89]

96

0.32

 < 0.01