$tabla
, , Nivel.económico = 1000 a 1499 €

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      Si  146 1366

, , Nivel.económico = 1500 a 2000 €

        Contratación
Internet   No   Si
      No   66  420
      Si   36  598

, , Nivel.económico = más de 2000 €

        Contratación
Internet   No   Si
      No  113  872
      Si   45  688

, , Nivel.económico = Menos de 1000 €

        Contratación
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      No  110  311
      Si   90  663


$listaPruebas
$listaPruebas[[1]]

	Pearson's Chi-squared test

data:  tbl1 
X-squared = 80.8766, df = 1, p-value < 2.2e-16


$listaPruebas[[2]]

	Pearson's Chi-squared test with Yates' continuity correction

data:  tbl1 
X-squared = 80.1775, df = 1, p-value < 2.2e-16


$listaPruebas[[3]]

	Mantel-Haenszel chi-squared test without continuity correction

data:  tbl1 
Mantel-Haenszel X-squared = 103.514, df = 1, p-value < 2.2e-16
alternative hypothesis: true common odds ratio is not equal to 1 
95 percent confidence interval:
 1.901584 2.603403 
sample estimates:
common odds ratio 
         2.224992 


$listaPruebas[[4]]

	Mantel-Haenszel chi-squared test with continuity correction

data:  tbl1 
Mantel-Haenszel X-squared = 102.7047, df = 1, p-value < 2.2e-16
alternative hypothesis: true common odds ratio is not equal to 1 
95 percent confidence interval:
 1.901584 2.603403 
sample estimates:
common odds ratio 
         2.224992 


$listaPruebas[[5]]

	Cochran-Mantel-Haenszel Chi-square Test

data:  tbl1 
CMH statistic = 103.514, df = 1.000, p-value = 0.000, MH Estimate =
2.225, Pooled Odd Ratio = 2.003, Odd Ratio of level 1 = 2.027, Odd
Ratio of level 2 = 2.610, Odd Ratio of level 3 = 1.981, Odd Ratio of
level 4 = 2.606


$listaPruebas[[6]]
Breslow and Day test (with Tarone correction):
Breslow-Day X-squared         = 2.509395 
Breslow-Day-Tarone X-squared  = 2.50513 

Test for test of a common OR: p-value =  0.4743647 



