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Table 5 Stratified analysis by HH elevation for predictors of malaria in villages around Lake Tana, Ethiopia, October 2016–June 2017

From: Travel to farms in the lowlands and inadequate malaria information significantly predict malaria in villages around Lake Tana, northwest Ethiopia: a matched case–control study

Variables

COR

[1750–2000 m]

[2000–2500 m]

Adjusted (Mantel–Haenszel)

OR

OR

ORMH

95% CI

X2MH

p value

Age

1

0.97

2.5

1.01

0.73–1.40

0.97

0.3237

Marital status

1.62

1.69

1.5

1.68

1.10–2.56

0.02

0.8792

Occupation

1.19

1.22

0.79

1.19

0.77–1.84

0.17

0.6762

Educational status

1.34

1.31

5.45

1.36

0.98–1.88

1.5

0.2205

HH size

1.1

1.08

1.75

1.1

0.80–1.52

0.35

0.5523

HH wealth index

1.29

1.29

1.24

1.29

0.91–1.82

0

0.9629

Roofing materials

0.62

0.6

1.25

0.62

0.32–1.19

0.24

0.6233

Open eaves in the roof

0.86

0.79

3.11

0.87

0.54–1.40

1.96

0.1615

Number of rooms

1.11

1.17

0.3

1.09

0.78–1.52

2.65

0.1035

Separate kitchen

1.09

1.13

0.7

1.1

0.79–1.53

0.36

0.5464

Tethering of cattle, goats and sheep

1.08

1.09

0.98

1.08

0.74–1.58

0.02

0.8995

Travel history to malarious lowlands

2.81

3.3

0.98

2.91

1.73–4.90

2.14

0.1436

Travel history within the study area

1.47

1.52

1.17

1.49

1.04–2.15

0.11

0.737

Visiting traditional healers

0.84

0.88

0.57

0.85

0.57–1.28

0.27

0.6019

HMM

1.14

1.15

1.38

1.17

0.70–1.94

0.05

0.8304

Received health education on malaria

1.54

1.55

1.43

1.55

1.10–2.17

0.01

0.9153

LLIN ownership

1.26

1.28

0.9

1.26

0.89–1.78

0.15

0.6984

IRS

0.98

0.95

0

0.94

0.63–1.39

0.77

0.3805

House proximity to health centre

0.71

0.7

1.11

0.71

0.49–1.04

0.26

0.6089

House proximity to water body 1

0.71

0.79

0.32

0.68

0.33–1.43

0.7

0.4024

House proximity to water body 2

1.21

1.13

1.71

1.19

0.50–2.81

0.09

0.7623

  1. ORMH adjusted odds ratio using Mantel–Haenszel method, COR crude odds ratio, X2MH Mantel–Haenszel Chi square value