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Table 8 Results of negative binomial Poisson regression analysis showing associations between AMI and suspected predictors

From: A time-series prediction model of acute myocardial infarction in northern of Iran: the risk of climate change and religious mourning

Explanatory variables

\(\beta\)

S.E

P value

RR

95% Wald C.I. for RR)

Lower

Upper

Event (0)a

− 0.053

0.088

0.551

0.948

− 0.797

1.128

Average temperature

0.011

0.004

0.014

1.011

1.002

1.019

Average humidity

0.003

0.004

0.405

1.003

0.996

1.009

Sunshine hours a day

0.025

0.007

0.001

1.025

1.010

1.040

Raining

− 0.001

0.003

0.824

0.999

0.993

1.006

Daily evaporation rate

− 0.024

0.014

0.087

0.976

0.949

1.004

Wind direction

0.003

0.001

0.097

1.000

1.000

1.002

Wind speed

0.002

0.010

0.860

1.002

0.981

1.023

  1. aEvent is Dummy variable, Reference’s category is 1(There is a mournful religious activity)