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Table 2 Polynomial regression model of the deseasonalized monthly proportions (per 100,000) of pulmonary tuberculosis cases among migrants at entry screening in Kuwait, 1997–2006.

From: Nonlinear pattern of pulmonary tuberculosis among migrants at entry in Kuwait: 1997–2006

Linear and quadratic terms

Un-standardized partial regression coefficients

t-statistic

p

 

Estimate

SE

  

Time ( β ˆ 1 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafqOSdiMbaKaadaWgaaWcbaGaeGymaedabeaaaaa@2EA2@ )

-10.657

0.294

36.25

< 0.001

Time2 ( β ˆ 2 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafqOSdiMbaKaadaWgaaWcbaGaeGOmaidabeaaaaa@2EA4@ )

0.070

0.002

29.78

< 0.001

Constant ( β ˆ 0 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafqOSdiMbaKaadaWgaaWcbaGaeGimaadabeaaaaa@2EA0@ )

524.684

7.853

  
  1. SE = standard error
  2. Coefficient of determination (R2) = 0.948
  3. F-statistic for overall significance of the model = 961; P < 0.001
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BMC Public Health

ISSN: 1471-2458

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