Table 6.

Multiple linear regression of predictors of dietary change in diet quality at four-years in men and women^a

	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

Abbreviations: CI confidence interval. Ref. reference category, PA physical activity, CM cardiometabolic

^a. Baseline (2010) characteristics unless otherwise indicated

^b. Model 1: adjusted for sampling postcode clustering and baseline PCA score

^c. Model 2: adjusted for model 1 and additionally adjusted for age, body mass index, smoking and physical activity, where appropriate