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Table 2 Factors associated with community health workers conducting case investigations of incident malaria cases

From: Location, location, location: environmental factors better predict malaria-positive individuals during reactive case detection than index case demographics in Southern Province, Zambia

Factor Categorization Unadjusted OR (95% CI) Adjusted OR (95% CI)
Age 15 years or older Reference Reference
5–14 years 0.620*** (0.503–0.766) 0.704** (0.565–0.876)
<5 years 0.625** (0.661–0.928) 0.694* (0.520–0.925)
Travel Index case did not travel Reference Reference
Index case travelled 0.701* (0.496–0.990) 0.669* (0.473–0.948)
Gender Index case is female Reference Reference
Index case is male 0.563*** (0.464–0.682) 0.625*** (0.513–0.761)
Season During dry season Reference Reference
During rainy season 0.613*** (0.494–0.762) 0.795 (0.628–1.007)
CHW workload 1–6 patients Reference Reference
7–11 patients 0.935 (0.692–1.264) 1.126 (0.824–1.539)
12–18 patients 0.597** (0.442–0.805) 0.775 (0.563–1.067)
19–28 patients 0.509*** (0.377–0.687) 0.659* (0.479–0.907)
29–110 patients 0.496*** (0.349–0.705) 0.650* (0.448–0.943)
  1. N = 2469 cases, 333 CHWs
  2. CI confidence interval, OR odds ratio
  3. *p < 0.05 **p < 0.01 ***p < 0.001