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Table 3 Mean factor scores and mixed-effect multilinear regression (MLR) coefficient to assess change in dietary pattern scores

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

Men

 

2010

2012

2014

Mixed-effect MLR

mean (SD)a

β (95% CI)

P-trend

Factor 1 Vegetable dishes, fruit, fish & poultry

1.46 (0.78)

1.32 (0.70)

1.32 (0.73)

−0.07 (− 0.08, − 0.05)

< 0.001

Factor 2 Red or processed meat, white bread, fried fish & hot chips

0.48 (0.54)

0.43 (0.48)

0.39 (0.45)

−0.04 (− 0.05, − 0.03)

< 0.001

DGI-2013 score

82.2 (14.2)

82.9 (14.1)

83.0 (14.1)

0.42 (0.16, 0.69)

0.002

Women

 
 

2010

2012

2014

Mixed-effect MLR

 

mean (SD)a

β (95% CI)

P-trend

Factor 1 Vegetables, fruit & fish

1.54 (0.74)

1.51 (0.72)

1.48 (0.70)

−0.03 (−0.04, −0.01)

P < 0.001

Factor 2 Cakes, processed meat, hot chips & confectionary

0.24 (0.22)

0.22 (0.20)

0.21 (0.18)

−0.01 (− 0.02, − 0.01)

P < 0.001

DGI-2013 score

90.4 (13.4)

90.6 (13.1)

90.6 (13.1)

0.07 (−0.19, 0.33)

0.584

  1. Abbreviation: MLR mixed-effect multilinear regression SD standard deviation CI Confident interval
  2. a Values are mean factor scores calculated using baseline (2010) factor loadings at all time points