Table 2

Parameter estimates (with 95% CI) of the six count models fitted to falls count data

ModelEmbedded ImageEmbedded ImageEmbedded ImageEmbedded Image
Poisson0.47 (0.41 to 0.53)
NB0.47 (0.39 to 0.56)2.02 (1.36 to 3.00)
ZIP1.13 (0.93 to 1.38)0.59 (0.51 to 0.66)
ZINB0.62 (0.23 to 1.66)1.18 (0.15 to 9.19)0.25 (0.01 to 0.94)
HP1.13 (0.93 to 1.38)0.28 (0.24 to 0.32)
HNB0.62 (0.23 to 1.66)1.18 (0.15 to 9.19)0.28 (0.24 to 0.32)
  • HNB, hurdle negative binomial; HP, hurdle Poisson; NB, negative binomial; ZINB, zero-inflated negative binomial; ZIP, zero-inflated Poisson.