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Table 3 Results of exploratory factor analysis for the survey items

From: Dietary quality and its structural relationships among equivalent income, emotional well-being, and a five-year subjective health in Japanese middle-aged urban dwellers

  Factor loading
  Factor1 Factor2 Factor3 Factor4
03 subjective health 0.746 0.014 −0.014 0.060
08 subjective health 0.739 −0.021 0.009 0.050
03 PFDS −0.016 0.754 −0.039 0.279
03 eating behavior score 0.016 0.531 0.082 −0.268
03 enjoyment & ikigai score −0.036 −0.010 0.750 0.160
03 close people score 0.034 0.005 0.501 0.068
03 equivalent income 0.083 0.046 0.144 0.198
Cumulative contribution ratio 20.8 % 32.9 % 38.4 % 40.7 %
Cronbach’s coefficient α 0.999 0.390 0.484 -
  1. Maximum likelihood estimation and Promax oblique rotation were performed
  2. 03 2003 years, 08 2008 years