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Table 2 Correlation coefficient: food versus PCA score groups

From: Smoking index, lifestyle factors, and genomic instability assessed by single-cell gel electrophoresis: a cross-sectional study in subjects from Yucatan, Mexico

Food Correlation coefficienta p PCA group
Negative correlations
 Coffee − .269 0.015 Comet C
− .238 0.032 Comet C-T10
− .241 0.031 Tail C
 Tea − .244 0.028 Comet T5-T10
− .226 0.043 Head T5
− .236 0.034 Head T10
 Sweeteners − .259 0.020 Comet T5
 Tortillas − .235 0.036 Comet C
− .234 0.036 Head C
− .226 0.044 Head C-T5
 Nuts − .248 0.026 Tail T10
Positive correlations
 Energizing drinks .244 0.028 Comet C
 Alcohol .263 0.018 Head C-T5
 Milk .227 0.041 Comet T10
  1. aCorrelation was analyzed using two tails, Spearman, and weekly frequency consumption versus PCA scores