Table 3 Model averaged regression coefficients (β) incl. Associated 95%-confidence intervals (upper; lower), odds ratio (OR) and relative importance (RVI) of variables related to knowledge of anthrax, brucellosis and rabies in three districts of northern Tanzania

Anthrax

 Intercept

−2.72 (−3.64;1.80)

−1.86 (−2.37;-1.34)

−1.66 (−2.13; −1.18)

 Ethnicity (other vs. predominant)

0.84 (0.36; 1.31)

2.31

1.00

−0.19 (−0.72; 0.34)

0.83

0.49

0.44 (−0.09; 0.96)

1.55

0.84

 Gender (m vs. f)

0.83 (0.44; 1.21)

2.28

1.00

0.21(−0.18; 0.61)

1.24

0.68

0.64 (0.35; 0.93)

1.89

1.00

 Livestock ownership (yes vs. no)

0.16 (− 0.30; 0.63)

1.18

0.48

0.13 (− 0.28; 0.54)

1.14

0.45

− 0.02 (− 0.20; 0.16)

0.98

0.26

 Education (primary vs. none)

0.63 (−0.15; 1.41)

1.88

0.88

0.34 (−0.12;0.81)

1.41

0.89

0.21 (−0.26; 0.69)

1.23

0.62

 Education (secondary vs. none)

1.07 (−0.04; 2.19)

2.92

0.88

0.64 (0.00; 1.29)

1.90

0.89

0.35 (−0.31; 1.01)

1.42

0.62

 Age

0.96 (0.47; 1.45)

2.61

1.00

0.86 (0.55; 1.18)

2.37

1.00

0.71 (0.40; 1.01)

2.02

1.00

 Stdv. intercept

0.53

0.30

0.06

Brucellosis

 Intercept

−0.26 (−0.53; 0.00)

−0.70 (−0.94; − 0.46)

−1.19 (−1.76; − 0.63)

 Ethnicity (other vs. predominant)

0.01(−0.17; 0.19)

1.01

0.25

0.45 (0.02; 0.87)

1.56

0.93

0.76 (0.31; 1.21)

2.14

1.00

 Gender (m vs. f)

0.01 (−0.12; 0.15)

1.01

0.26

−0.02 (− 0.16; 0.13)

0.98

0.25

0.01 (−0.13; 0.16)

1.01

0.27

 Livestock ownership (yes vs. no)

−0.12 (− 0.42; 0.18)

0.89

0.54

−0.03 (− 0.24; 0.19)

0.97

0.28

− 0.11 (− 0.40; 0.18)

0.90

0.50

 Education (primary vs. none)

0.01 (−0.19; 0.20)

1.01

0.20

0.02 (−0.13; 0.16)

1.02

0.11

0.11 (−0.27; 0.49)

1.11

0.33

 Education (secondary vs. none)

0.05 (−0.25; 0.35)

1.05

0.20

0.01(−0.14;0.16)

1.01

0.11

0.11 (−0.30; 0.52)

1.12

0.33

 Age

0.46 (0.21;0.71)

1.59

1.00

0.41 (0.15; 0.66)

1.50

1.00

0.53 (0.27; 0.80)

1.70

1.00

 Stdv. intercept

0.19

0.18

0.46

Rabies

 Intercept

0.19 (−0.19; 0.56)

−0.64 (−1.12; −0.17)

0.44 (0.23; 0.65)

 Ethnicity (other vs. predominant)

−0.02 (− 0.25; 0.21)

0.98

0.27

0.12 (−0.33; 0.57)

1.13

0.39

0.12 (−0.20; 0.45)

1.13

0.49

 Gender (m vs. f)

0.56 (0.30; 0.83)

1.76

1.00

0.28 (−0.08;0.63)

1.32

0.83

0.02 (−0.13; 0.18)

1.02

0.28

 Dog ownership (yes vs. no)

0.07 (−0.16; 0.31)

1.08

0.43

0.14 (−0.23; 0.51)

1.15

0.52

−0.32 (− 0.65; 0.01)

0.73

0.91

 Education (primary vs. none)

−0.03 (− 0.40; 0.33)

0.97

0.51

0.65 (0.27; 1.03)

1.92

1.00

0.02 (−0.15; 0.19)

1.02

0.16

 Education (secondary vs. none)

−0.22 (− 0.83; 0.39)

0.80

0.51

0.69 (0.25; 1.14)

2.00

1.00

0.04 (−0.19; 0.27)

1.04

0.16

 Age

0.51 (0.17; 0.86)

1.67

0.99

0.01 (−0.14; 0.16)

1.01

0.25

0.04 (−0.14; 0.22)

1.04

0.33

 Stdv. intercept

0

0.34

0.05