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Table 5 Poisson and negative binomial regression analysis and model comparison

From: Effects of rainfall, temperature and topography on malaria incidence in elimination targeted district of Ethiopia

Parameter Poisson regression Negative Binomial
Estimate (std. error) P-value Estimate (Std. Error) P-value
Intercept 2.0412050 (0.1071191) < 2e–16 2.5712491 (0.2180926) < 2e–16
Month August 0.1997012 (0.0321717) 5.39e–10 0.1489509 (0.0596761) 0.01256
Month December 0.5959069 (0.0338554) < 2e–16 0.6129467 (0.0621383) < 2e–16
Month February 0.4727498 (0.0339011) < 2e–16 0.6179138 (0.0614459) < 2e–16
Month January 0.5595071 (0.0360984) < 2e–16 0.6190579 (0.0648127) < 2e–16
Month July 0.2041098 (0.0314755) 8.89e–11 0.1460258 (0.0593064) 0.01381
Month June 0.2536605 (0.0316676) 1.15e–15 0.1937207 (0.0588766) 0.00100
Month March 0.5101808 (0.0326023) < 2e–16 0.5079790 (0.0602246) < 2e–16
Month May 0.2597362 (0.0312052) < 2e–16 0.2216359 (0.0576237) 0.00012
Month November 0.7095393 (0.0297147) < 2e–16 0.6977014 (0.0570473) < 2e–16
Month October 0.3252624 (0.0310680) < 2e–16 0.3767558 (0.0572062) 4.52e–11
Month September 0.4173954 (0.0312603) < 2e–16 0.3839196 (0.0587822) 6.52e–11
April (Reference)     
 Elevation > 2000 m 0.2372410 (0.0291927) 4.41e–16 0.1554760 (0.0537200) 0.00380
 Elv1801-1900 m 0.3615582 (0.0236513) < 2e–16 0.3888692 (0.0425264) < 2e–16
 Elv1901-2000 m 0.2054667 (0.0237197) < 2e–16 0.1932937 (0.0422989) 4.88e–06
 Elv < 1800 m (Reference)     
Rainfall 0.0031166 (0.0001301) < 2e–16 0.0031249 (0.0002604) < 2e–16
 TMP AVG – 0.1036946 (0.0050472) < 2e–16 – 0.1262568 (0.0099988) < 2e–16
 TMPMIN 0.0075262 (0.0040111) 0.0606 0.0071389 (0.0074662) 0.33899
Sex male 0.0518893 (0.0118691) 1.23e–05 0.1047463 (0.0228256) 4.45e–06
 Female (Reference)     
  Age 5–14 – 0.7515411 (0.0145588) < 2e–16 – 0.7747979 (0.0275689) < 2e–16
  Age < 5 – 0.7798807 (0.0147003) < 2e–16 – 0.8021734 (0.0276449) < 2e–16
  Age 15 + (Reference)     
Theta (std. error) 0.46420
 AIC 89,437 67,948
 BIC 89607.08 69211.15
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