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Table 2 Stepwise regression analysis for the inactivation of L. monocytogenes at 28 ± 2 °C in powdered Legon-18 pepper (C. annuum)

From: The role of gamma irradiation and storage at 28 ± 2 °C on the inactivation of Listeria monocytogenes, Escherichia coli and Salmonella enterica serotype Typhimurium in sun-dried Legon-18 pepper (Capsicum annuum) powder

Step

Change

Step (P value)

Final (P value)

R2 adjusted (%)

1

Add X2

0.000*

0.000*

69.847

2

Add X1

0.000*

0.000*

85.574

3

Add X1X2

0.035*

0.033*

86.000

4

Add (X2)2

0.062**

0.062**

86.301

  1. Values marked as * are statistically significant (p < 0.05) and values marked as ** are statitically not significant (p > 0.05)