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Table 6 Stratified analysis by travel to malarious lowlands 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 Travel to malarious lowlands Adjusted (Mantel–Haenszel)
Travel history (OR) No travel history (OR) ORMH 95% CI X2MH p value
Age 1 0 0.82 0.8 0.57–1.13 1.02 0.3123
Marital status 1.62 0.93 1.45 1.32 0.86–2.04 0.66 0.4182
Occupation 1.19 1.34 0.92 0.99 0.63–1.57 0.41 0.5242
Educational status 1.34 1.24 1.21 1.21 0.88–1.68 0 0.9725
HH size 1.1 0.99 1.18 1.16 0.84–1.60 0.11 0.7423
HH wealth index 1.29 1.21 1.26 1.26 0.89–1.78 0.01 0.9375
Roofing materials 0.62 0.38 0.66 0.61 0.32–1.17 0.36 0.547
Open eaves in the roof 0.86 1.02 0.79 0.82 0.50–1.33 0.13 0.7152
Wall building materials 0.71 0 1.09 0.77 0.22–2.73 1.23 0.2669
Flooring materials 0.44 0 0.58 0.45 0.13–1.60 0.71 0.401
Number of rooms 1.11 1.14 1.26 1.25 0.88–1.76 0.04 0.8482
Separate kitchen 1.09 0.9 1.04 1.02 0.73–1.43 0.08 0.7838
Tethering of cattle, goats and sheep 1.08 0.74 1.09 1.03 0.71–1.51 0.45 0.5
Travel history within the study area 1.47 0.29 1.18 1.03 0.68–1.56 3.08 0.0792
HH member travel to malarious lowlands 3.46 2.6 2.56 2.58 1.16–5.74 0 0.9841
Visiting traditional healers 0.84 0.93 0.79 0.8 0.53–1.22 0.08 0.7788
HMM 1.14 0.9 0.92 0.91 0.54–1.54 0 0.9821
Received health education on malaria 1.54 2.43 1.31 1.42 1.00–1.99 1.32 0.2508
LLIN ownership 1.26 1.07 1.16 1.15 0.80–1.64 0.02 0.8749
IRS 0.98 2.19 1 1.13 0.78–1.65 2.12 0.1453
HH elevation 0.8 0.28 0.93 0.67 0.32–1.40 2.05 0.1526
House proximity to health centre 0.71 0.56 0.75 0.73 0.50–1.05 0.25 0.6138
House proximity to Lake Tana 1.3 1.54 1.37 1.4 0.73–2.69 0.02 0.8918
House proximity to water body 1 0.71 0.98 0.73 0.77 0.37–1.62 0.09 0.7599
House proximity to water body 2 1.21 1.7 1.26 1.34 0.56–3.19 0.08 0.7812
  1. ORMH adjusted odds ratio using Mantel–Haenszel method, COR crude odds ratio, X2MH Mantel–Haenszel Chi square value