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Table 2 Comparisons of principal component analysis scores of dietary patterns between groups with low or high pessimism, and low or high optimism

From: Pessimism, diet, and the ability to improve dietary habits: a three-year follow-up study among middle-aged and older Finnish men and women

  Principal component analysis scores (mean)
Healthy dietary pattern p 1 Sweet unhealthy dietary pattern p 1 Fatty unhealthy dietary pattern p 1 Traditional dietary pattern p 1
Low pessimism (N = 1274) 2 0.071   0.029   −0.048   −0.006  
High pessimism (N = 1351) 3 −0.066 < 0.001 − 0.027 0.153 0.046 0.016 0.006 0.762
Low optimism (N = 1210) 2 −0.085   0.000   −0.019   0.026  
High optimism (N = 1415) 3 0.073 < 0.001 −0.000 0.995 0.016 0.365 −0.022 0.213
  1. 1 Student’s t-test; 2 Below the median; 3 Median or higher
  2. p1-scores indicating statistical significance are bolded