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Table 4 Logistic regression model for potential risk factors for malaria death in the study areas

From: Spatial and space–time clustering of mortality due to malaria in rural Tanzania: evidence from Ifakara and Rufiji Health and Demographic Surveillance System sites

Variable Rufiji (N = 11462) for 1999–2011 Kilombero/Ulanga (N = 9328) for 2002–2012
Univariate Multivariate Univariate Multivariate
OR (95 % CI) P value AOR (95 % CI) P value OR (95 % CI) P value AOR (95 % CI) P value
Sex
 Male (reference) 1.00 0.03   0.604 1.00 0.410  
 Female 1.09 (1.01–1.18) 1.03 (0.93–1.13) 1.06 (0.92–1.20)  
Age
 5 and above (reference) 1.00 <0.001 1.00 <0.001 1.00 <0.001   <0.001
 Under 5 2.06 (1.85–2.29) 2.04 (1.82–2.28) 2.40 (2.17–2.66) 2.51 (2.25–2.79)
Ownership of ITN
 No (reference) 1.00 <0.001   <0.001 1.00 <0.001   <0.001
 Yes 0.58 (0.52–0.65) 0.57 (0.51–0.64) 0.74 (0.65–0.84) 0.65 (0.57–0.74)
Social economic status
 Poorest (reference) 1.00 0.345   1.00   
 Poorer 1.07 (0.93–1.23)   1.22 (1.06–1.41) 0.010  
 Poor 0.95 (0.81–1.11) 0.496 1.08 (0.90–1.30) 0.903
 Less poor 1.03 (0.87–1.23) 0.712 1.09 (0.96–1.26) 0.170
 Least poor 0.91 (0.79–1.06) 0.214 1.00 (0.84–1.19) 0.993
Nearest distance to HF
 Less than 5 km (reference) 1.00 0.157   0.516 1.00 0.433  
 5 and above km 1.14 (0.95–1.38) 1.05 (0.90–1.24)   1.09 (0.90–1.33)  
Season
 Wet season (reference) 1.00 0.035   0.056 1.00 0.043   0.280
 Dry season 0.91 (0.84–0.99) 0.92 (0.85–1.01)   0.88 (0.78–1.00) 0.93 (0.82–1.06)
 Altitude (continuous) 1.001 (1.000–1.0012) 0.003 1.00 (1.000–1.001) 0.002 1.00 (1.00–1.002) 0.710