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Table 3 Bivariate and multivariable logistic regression analysis for exposure factors associated with animal-bite in selected counties, Kenya, 2011–2016

From: Epidemiology and surveillance of human animal-bite injuries and rabies post-exposure prophylaxis, in selected counties in Kenya, 2011–2016

Variable

Young (< 15 years) (2351) n (%)

Adult (15+ years) (n = 4382) n (%)

OR (95% CI)

Adjusted Odds Ratio (AOR)

Biting animal

 Owned Dog a

2011 (78)

3094 (68)

1.7 (1.5, 1.9)

1.2 (1.1, 1.3)

 Unowned Dog

403 (16)

1109 (24)

0.6 (0.5, 0.7)

NS

 Cat

152 (6)

262 (6)

1 (0.8, 1.3)

NS

 Human

3 (0.1)

43 (0.9)

0.1 (0.02, 0,38)

NS

 Livestock b

21 (0.8)

55 (1)

0.7 (0.43, 1.11)

NS

 Others c

2 (0.1)

10 (0.2)

0.4 (0.04, 1.66)

NS

Sex

 Male

1573 (60)

2400 (52)

1.4 (1.3, 1.5)

1.5 (1.3, 1.7)

 Female

1034 (40)

2193 (48)

Ref

 

Bite Site

 Leg/Thigh

775 (60)

1173 (74)

0.5 (0.5, 0.6)

NS

 Arm

323 (25)

344 (22)

1.2 (1, 1.5)

NS

 Trunk

83 (7)

39 (3)

2.8 (1.9, 4.1)

NS

 Head/Face

67 (5)

15 (1)

5.8 (3.3, 10.2)

1.8 (1.3, 2.6)

 Buttock/Groin

36 (3)

17 (1)

2.7 (1.5, 4.8)

NS

PEP

 Yes

1942 (84)

3629 (90)

0.6 (0.54, 0.72)

0.3 (0.2, 0.3)

 No

364 (16)

423 (10)

Ref

 

PEP Doses

  ≥ 3 doses

875 (40)

1293 (60)

1.5 (1.3, 1.7)

NS

  < 3 dose

1062 (31)

2333 (69)

Ref

 

Counties

 Kilifi

777 (30)

1136 (25)

4.4 (3.7, 5.1)

5.2 (4.3, 6.3)

 Kitui

620 (24)

549 (12)

7.2 (6.1, 8.5)

6.4 (5.3, 7.6)

 Machakos

141 (5)

154 (3)

5.8 (4.5, 7.6)

6.1 (5.0, 8.0)

 Nandi

788 (30)

965 (21)

5.2 (4.5, 6.1)

5.7 (4.8, 6.8)

 Kisumu

281 (11)

1790 (39)

Ref

 
  1. NS Not significant
  2. aOwned dog refers to dogs that are partly confined and spend part of their time roaming unsupervised outside the owner’s property while unowned dogs refers free roaming dogs without a known owner.
  3. bLivestock includes donkey and pig.
  4. cothers include monkeys, rats, hyena and other wild animals.