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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 1b

Model 2c

Model 1

Model 2

n

β

95% CIc

P-Value

β

95% CI

P-Value

n

β

95% CI

P-Value

β

95% CI

P-Value

Education

 Up to year 10

239

Ref.

Ref.

400

Ref.

Ref.

 Year 12, trade/apprenticeship or certificate/diploma

393

0.0

−1.37

1.42

0.970

−0.01

−1.36

1.34

0.988

353

0.45

−0.99

1.90

0.535

0.42

− 1.01

1.85

0.562

 University degree and higher

319

1.24

−0.36

2.83

0.128

0.78

−0.85

2.42

0.334

352

−0.09

−1.53

1.35

0.902

−0.19

−1.64

1.26

0.792

Weight loss intentions

 Not trying anything for my weight

480

Ref.

Ref.

480

Ref.

Ref.

 Trying to avoid gaining weight

265

1.21

−0.15

2.56

0.080

0.95

−0.45

3.34

0.180

265

0.97

−0.39

2.34

0.160

0.87

−0.53

2.27

0.221

 Trying to lose weight

260

0.86

−0.79

2.51

0.302

0.71

−1.10

2.52

0.437

260

−0.09

− 1.80

1.61

0.912

−0.02

− 1.81

1.86

0.979

 Retired

329

0.58

−0.64

1.80

0.349

0.46

−0.88

1.79

0.498

499

0.17

−1.16

1.50

0.800

0.25

−1.19

1.68

0.732

Relationship status

 Married

851

Ref.

Ref.

854

Ref.

Ref.

 Separated

99

0.50

−1.39

2.40

0.598

0.70

−1.19

2.60

0.463

208

0.73

−0.89

2.35

0.201

1.20

−0.33

2.74

0.123

 Never married

55

0.20

−2.03

2.43

0.857

0.26

−2.13

2.65

0.830

43

2.81

−0.49

6.10

0.094

2.86

−0.33

6.04

0.078

Smoking status

 Non smoker

461

Ref.

Ref.

640

Ref.

Ref.

 Use to smoke

432

−1.83

−3.16

−0.49

0.008

−1.87

−3.24

−0.50

0.008

373

− 1.86

−2.91

−0.74

0.001

− 1.87

− 2.99

− 0.75

0.001

 Smoker

112

−4.89

−6.88

−2.90

< 0.001

−4.77

−6.76

−2.78

< 0.001

92

−4.07

−6.87

−1.28

0.005

−4.11

−6.92

−1.31

0.005

 Meeting PA guidelines

525

0.89

−0.32

2.11

0.147

0.71

−0.43

1.86

0.219

634

0.47

−0.86

1.80

0.486

0.32

−1.04

1.67

0.645

Diagnosis of CM-related condition

 No CM-related conditions

384

Ref.

Ref.

491

Ref.

Ref.

 Diagnosed prior to 2010

491

1.10

−0.03

2.23

0.056

1.25

0.09

2.42

0.035

493

0.30

−1.05

1.64

0.661

0.65

−0.71

2.00

0.345

 Newly diagnosed within 2010–2014

130

1.51

−0.48

3.50

0.135

1.70

−0.20

3.61

0.079

121

0.70

−1.41

2.80

0.512

0.95

−1.25

3.15

0.391

  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