Table 5.

Change in dietary quality (Elderly Dietary Index (EDI) scores) over 10 years (age 60·79 to 71·92 years) and the association with having oral health problems at 71·92 years in the British Regional Heart Study (Odds ratios and 95 % confidence intervals)

EDI change over 10 years (60–79 years to 71–92 years)	Tooth loss (< 21 teeth) (n 933; 64 %)				Loss of attachment (> 20 % sites affected) (n 265; 24 %)				Self-rated oral health (fair/poor) (n 609; n34%)
	Age-adjusted OR	95% CI	Fully adjusted OR*	95% CI	Age-adjusted OR	95% CI	Fully adjusted OR*	95% CI	Age-adjusted OR	95% CI	Fully adjusted OR*	95% CI
Good score at both time points	1·00		1·00		1·00		1·00		1·00		1·00
Score improved over 10 years	1·70	1·20, 2·40	1·41	0·97, 2·06	1·69	1·06,2·69	1·46	0·90,2·37	1·16	0·83, 1·63	1·17	0·82, 1·66
Score decreased over 10 years	1·91	1·32, 2·75	1·61	1·08, 2·38	1·60	0·98,2·62	1·33	0·80,2·21	1·17	0·84, 1·64	1·08	0·76, 1·54
Low score at both time points	2·35	1·61, 3·42	1·66	1·09, 2·52	1·77	1·08,2·88	1·34	0·78,2·29	1·44	1·03, 2·01	1·31	0·91, 1·88

	Cumulative oral health problems†
		1 n 883; 46%		2 n 471; 25%		≥3 n 188; 10%			1		2		≥3
EDI change over 10 years (60–79 years to 71–92 years)	0	Age-adjusted OR	95% CI	Age-adjuste	95% CI	Age-adjuste	95% CI	0	Age-adjuste	95% CI	Age-adjuste	95% CI	Age-adjuste	95% CI
Good score at both time points	1·00	1·00		1·00		1·00		1·00	1·00		1·00		1·00
Score improved over 10 years	1·00	1·35	0·89, 2·03	1·51	0·96, 2·39	1·79	0·97,3·32	1·00	1·13	0·73,1·76	1·22	0·74, 2·01	1·35	0·70, 2·61
Score decreased over 10 years	1·00	1·94	1·25, 3·02	2·24	1·38, 3·63	2·50	1·33,4·69	1·00	1·66	1·04,2·63	1·81	1·08, 3·03	1·82	0·93, 3·56
Low score at both time points	1·00	3·62	2·21, 5·94	2·95	1·71, 5·09	3·17	1·59,6·34	1·00	2·60	1·52,4·45	1·96	1·07, 3·56	2·04	0·96, 4·33

^*Age, social class, smoking, alcohol, history of CVD and diabetes, BMI, energy intake.

^†< 21 remaining teeth, ≥ 3 dry mouth symptoms, difficulty eating, sensitivity to hot/cold/sweets.