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Table 6 Multiple linear regression of predictors of dietary change in diet quality at four-years in men and womena

From: Education and lifestyle predict change in dietary patterns and diet quality of adults 55 years and over

 Men (n = 1005)Women (n = 1106)
 Model 1bModel 2cModel 1Model 2
nβ95% CIcP-Valueβ95% CIP-Valuenβ95% CIP-Valueβ95% CIP-Value
Education
 Up to year 10239Ref.Ref.400Ref.Ref.
 Year 12, trade/apprenticeship or certificate/diploma3930.0−1.371.420.970−0.01−1.361.340.9883530.45−0.991.900.5350.42− 1.011.850.562
 University degree and higher3191.24−0.362.830.1280.78−0.852.420.334352−0.09−1.531.350.902−0.19−1.641.260.792
Weight loss intentions
 Not trying anything for my weight480Ref.Ref.480Ref.Ref.
 Trying to avoid gaining weight2651.21−0.152.560.0800.95−0.453.340.1802650.97−0.392.340.1600.87−0.532.270.221
 Trying to lose weight2600.86−0.792.510.3020.71−1.102.520.437260−0.09− 1.801.610.912−0.02− 1.811.860.979
 Retired3290.58−0.641.800.3490.46−0.881.790.4984990.17−1.161.500.8000.25−1.191.680.732
Relationship status
 Married851Ref.Ref.854Ref.Ref.
 Separated990.50−1.392.400.5980.70−1.192.600.4632080.73−0.892.350.2011.20−0.332.740.123
 Never married550.20−2.032.430.8570.26−2.132.650.830432.81−0.496.100.0942.86−0.336.040.078
Smoking status
 Non smoker461Ref.Ref.640Ref.Ref.
 Use to smoke432−1.83−3.16−0.490.008−1.87−3.24−0.500.008373− 1.86−2.91−0.740.001− 1.87− 2.99− 0.750.001
 Smoker112−4.89−6.88−2.90< 0.001−4.77−6.76−2.78< 0.00192−4.07−6.87−1.280.005−4.11−6.92−1.310.005
 Meeting PA guidelines5250.89−0.322.110.1470.71−0.431.860.2196340.47−0.861.800.4860.32−1.041.670.645
Diagnosis of CM-related condition
 No CM-related conditions384Ref.Ref.491Ref.Ref.
 Diagnosed prior to 20104911.10−0.032.230.0561.250.092.420.0354930.30−1.051.640.6610.65−0.712.000.345
 Newly diagnosed within 2010–20141301.51−0.483.500.1351.70−0.203.610.0791210.70−1.412.800.5120.95−1.253.150.391
  1. Abbreviations: CI confidence interval. Ref. reference category, PA physical activity, CM cardiometabolic
  2. a. Baseline (2010) characteristics unless otherwise indicated
  3. b. Model 1: adjusted for sampling postcode clustering and baseline PCA score
  4. c. Model 2: adjusted for model 1 and additionally adjusted for age, body mass index, smoking and physical activity, where appropriate