Table 1.

Characteristics of the British Regional Heart Study participants aged 60–79 years by diet quality (Elderly Dietary Index (EDI) quartiles and daily fruit and vegetable intake) (Mean values and standard deviations; number of participants and percentages)

	EDI quartiles*		Daily fruit and vegetable intake†
1st (12–22 points)	2nd (23–24 points)	3rd (25–26 points)	4th (27–35 points)		No	Yes
	Mean	sd	Mean	sd	Mean	sd	Mean	sd	P	Mean	sd	Mean	sd	P
n	1074	982	901	967		3338	729
Age (years)	68·8	5·5	68·6	5·5	68·6	5·6	68·1	5·3	0·007	68·6	5·5	68·8	5·4	0·54
Energy intake									< 0·001					0·001
kJ/d	8964·2	2404·5	9127·8	2239·7	8950·0	2218·4	8501·9	1854·3		8871·8	2248·1	8789·0	2033·8
kcal/d	2142·5	574·7	2181·6	535·3	2139·1	530·2	2032	443·2		2120·4	537·3	2100·6	486·1
Current smokers									< 0·001					< 0·001
n	265	114	67	45		473	36
%	24·7	11·7	7·4	4·7		14·2	5·0
Heavy drinkers									< 0·001					0·26
n	43	30	22	12		97	16
%	4·2	3·1	2·5	1·3		3·0	2·2
Physically inactive									< 0·001					0·04
n	158	99	95	80		385	66
%	15·4	10·4	10·8	8·6		12·0	9·3
Obese (BMI >30 kg/m2)									0·110					0·95
n	190	180	162	145		575	125
%	17·8	18·4	18·1	15·1		17·3	17·2
Adult manual social class									< 0·001					< 0·001
n	687	518	374	357		1757	279
%	66·0	54·1	42·6	38·2		54·1	39·7
Childhood manual social class									< 0·001					< 0·001
n	745	637	565	545		2171	422
%	78·2	72·7	68·1	60·9		72·2	63·3

^*Data for the EDI available for 3924 participants. P for trend across the EDI quartiles.

^†Data for fruit and vegetable intake available for 4067 participants. P for difference between groups.