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Table 4 Multivariate panel data regression analysis of the relationship between the annual number of malaria cases and villages characteristics, Sistan-va-Baluchestan province; Iran, (total number of villages 122)

From: The effects of electricity network development besides routine malaria control measures in an underdeveloped region in the pre-elimination phase

Modelsa Variables under study Random effect model P value Fixed effect model P value Hausman test
Coefficient (95 % CI) Coefficient (95 % CI) P value
Model no. 1 Electrification 0.31 (0.01 to 0.61) 0.040 0.10 (−0.31 to 0.50) 0.643 0.0937
Square of the one hundredth of the number of the households in a village 0.05 (0.03 to 0.07) 0.000 Omitted  
Precipitations during spring and fall (1 = yes; 0 = no) 0.24 (0.10 to 0.39) 0.001 0.26 (0.11 to 0.42) 0.001  
Square of proportion of houses with appropriate net window −0.80 (−1.16 to −0.44) 0.000 Omitted  
Model no. 2 Electrification 0.22 (−0.07 to 0.52) 0.139 0.10 (−0.31 to 0.50) 0.643 0.4143
Square of the one hundredth of the number of the households in a village 0.05 (0.03 to 0.07) 0.000 Omitted  
Precipitations during spring and fall (1 = yes; 0 = no) 0.25 (0.10 to 0.40) 0.001 0.26 (0.11 to 0.42) 0.001  
Square of every hundred meter of elevation above sea level −0.05 (−0.07 to −0.03) 0.000 Omitted  
Model no. 3 Indoor residual spraying 0.31 (0.13 to 0.49) 0.001 0.09 (−0.14 to 0.31) 0.457 0.0045
Electrification 0.30 (0.01 to 0.58) 0.044 0.09 (−0.31 to 0.50) 0.656  
Square of the one hundredth of the number of the households in a village 0.05 (0.03 to 0.07) 0.000 Omitted  
Precipitations during spring and fall (1 = yes; 0 = no) 0.24 (0.09 to 0.39) 0.001 0.26 (0.11 to 0.41) 0.001  
Square of proportion of houses with appropriate net window −0.62 (−0.97 to −0.27) 0.001 Omitted  
Model no. 4 Percent of households that use ITN −0.003 (−0.006 to 0.000) 0.032 Omitted 0.0294
Square of the one hundredth of the number of the households in a village 0.05 (0.03 to 0.06) 0.000 Omitted  
Precipitations during spring and fall (1 = yes; 0 = no) 0.22 (0.07 to 0.36) 0.003 0.26 (0.11 to 0.41) 0.001  
Square of proportion of houses with appropriate net window −0.70 (−1.10 to −0.32) 0.000 Omitted  
  1. aThe dependent variable in all instances has been the number of malaria cases during each year