Topographical position index 270 m
|
Flat
|
Reference
|
Reference
|
Valley
|
1.115 (0.916–1.442)
|
1.019 (0.733–1.417)
|
Ridge
|
1.268* (1.034–1.554)
|
1.590* (1.106–2.286)
|
Lower slope
|
0.994 (0.780–1.268)
|
1.211 (0.893–1.645)
|
Upper slope
|
1.872*** (1.496–2.341)
|
1.979*** (1.521–2.573)
|
Topographical position index 4950 m
|
Flat
|
Reference
|
Reference
|
Valley
|
1.000 (0.817–1.224)
|
1.032 (0.780–1.365)
|
Ridge
|
0.962 (0.782–1.183)
|
0.576** (0.419–0.792)
|
Lower slope
|
0.732** (0.583–0.919)
|
0.654** (0.491–0.871)
|
Upper slope
|
1.398** (1.152–1.696)
|
1.153 (0.909–1.462)
|
Enhanced vegetation index lagged 4 weeks
|
<0.5
|
Reference
|
Reference
|
≥0.5
|
1.668** (1.209–2.328)
|
1.291 (0.894–1.865)
|
Median enhanced vegetation index
|
<0.25
|
Reference
|
Reference
|
≥0.25
|
1.740*** (1.512–2.002)
|
1.259* (1.049–1.513)
|
Altitude
|
≤1100 m
|
Reference
|
Reference
|
>1100 m
|
1.442*** (1.252–1.661)
|
0.949 (0.783–1.151)
|
Wetness index
|
≤10.2 (drier)
|
Reference
|
Reference
|
>10.2 (wetter)
|
1.061 (0.918–1.225)
|
1.432*** (1.198–1.712)
|
Convergence index
|
≤0 (wetter)
|
Reference
|
Reference
|
>0 (drier)
|
1.030 (0.897–1.184)
|
0.811* (0.665–0.989)
|
Index case travelled
|
No travel in previous 2 weeks
|
Reference
|
Reference
|
Travel in previous 2 weeks
|
0.898 (0.789–1.188)
|
0.776 (0.544–1.106)
|
Timeliness of case investigation
|
Same week as incident case
|
Reference
|
Reference
|
At least 1 week following incident case
|
1.381* (1.072–1.780)
|
1.211 (0.905–1.621)
|
Gender of index case
|
Female
|
Reference
|
Reference
|
Male
|
1.329** (1.132–1.560)
|
0.943 (0.765–1.162)
|
Travel among individuals in community tested
|
No travel in previous 2 weeks
|
Reference
|
Reference
|
Any travel in previous 2 weeks
|
0.670*** (0.587–0.766)
|
0.805* (0.668–0.969)
|
Age of index case
|
>15 years old
|
Reference
|
Reference
|
5–15 years old
|
0.898 (0.740–1.091)
|
0.862 (0.685–1.085)
|
<5 years old
|
0.761 (0.565–1.025)
|
0.686* (0.484–0.973)
|