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Table 4 Beta coefficients (standard error) of body mass index according to each standard deviation increase in diet quality index scores from linear regression analysis

From: Diet quality is inversely associated with obesity in Chinese adults with type 2 diabetes

  Model 1a Model 2b Model 3c Model 4d
  Beta (SE) P-value Beta (SE) P-value Beta (SE) P-value Beta (SE) P-value
AHEI-2010
 Total scoree − 1.09 (0.46) 0.019 − 0.95 (0.50) 0.060 − 0.54 (0.49) 0.272 −0.52 (0.49) 0.293
 Red/processed meatsf − 1.81 (0.45) < 0.001 −2.00 (− 0.53) < 0.001 − 1.19 (0.59) 0.046 − 1.22 (0.59) 0.040
DQI-I
 Total scoreg − 0.94 (0.46) 0.044 − 0.93 (0.49) 0.062 − 0.66 (0.48) 0.054 − 0.66 (0.48) 0.167
 Varietyh − 1.05 (0.46) 0.025 −1.23 (0.47) 0.010 −0.96 (0.45) 0.036 −0.98 (0.46) 0.033
 Moderationi − 1.44 (0.46) 0.002 − 1.40 (0.52) 0.008 − 0.30 (0.59) 0.607 − 0.27 (0.59) 0.652
DASH score
 Total scorej − 0.87 (0.47) 0.063 − 0.79 (0.50) 0.120 − 0.26 (0.50) 0.599 − 0.24 (0.50) 0.272
 Red/processed meatsk − 2.03 (0.45) < 0.001 − 2.30 (0.52) < 0.001 −1.60 (− 0.57) 0.006 − 1.63 (0.57) 0.005
  1. aModel 1: crude data
  2. bModel 2: adjusted for age, sex, education level, employment status, smoking status, alcohol drinking status, duration of diabetes, oral antidiabetic drug use, insulin use, physical activity level
  3. cModel 3: adjusted for all factors in Model 2, plus total energy intake
  4. dModel 4: adjust for all factors in Model 3, plus glycated hemoglobin
  5. e1 SD = 12.0 points
  6. f1 SD = 2.9 points
  7. g1 SD = 7.5 points
  8. h1 SD = 1.6 points
  9. i1 SD = 4.9 points
  10. j1 SD = 5.2 points
  11. k1 SD = 1.4 points
  12. AHEI-2010 Alternate Healthy Eating Index-2010, CI confidence interval, DASH Dietary Approaches to Stop Hypertension score, DQI-I Diet Quality Index-International, OR odds ratio, SE standard error