Table 3.

Baseline characteristics of subcohort individuals in the European Prospective Investigation into Cancer and Nutrition-InterAct study by categories of self-rated health

	Self-rated health								p Value for overall difference*
	High				Low
	Excellent		Good		Moderate		Poor
	Mean/%	SD/N	Mean/%	SD/N	Mean/%	SD/N	Mean/%	SD/N
Age (years)	48.8	10.3	50.5	11.1	51.7	10.9	50.3	10.2	<0.001
Sex (% men)	42.8	443	45.2	1208	44.8	347	37.8	51	0.24
Educational level (%)									<0.001
Primary school or none	19.2	194	24.4	635	37.9	287	30.8	40
Technical/professional school	34.6	351	35.0	910	29.6	224	32.3	42
Secondary school	14.9	151	14.2	369	14.4	109	18.5	24
Higher (incl. university degree)	31.3	317	26.4	688	18.1	137	18.5	24
BMI (kg/m2)	24.8	3.4	25.5	4.0	26.2	4.5	25.6	5.4	<0.001
Smoking status (%)									<0.001
Never	52.1	540	46.6	1246	41.7	323	40.7	55
Former	27.5	285	30.1	804	30.1	233	23.7	32
Current	18.8	195	21.0	561	26.1	202	32.6	44
Unknown	1.5	16	2.3	62	2.2	17	3.0	4
Physical activity (%)									<0.001
Inactive	15.9	160	21.3	548	31.1	231	43.3	52
Moderately inactive	33.2	335	31.7	818	28.8	214	29.2	35
Moderately active	25.5	257	26.8	689	21.8	162	15.0	18
Active	25.5	257	20.2	521	18.2	135	12.5	15
Alcohol consumption (g/day)	11.5	16.2	10.8	15.2	9.2	15.4	5.6	9.8	<0.001
Total energy intake (kcal)	2016.6	649.7	2056.7	618.3	2009.4	617.3	1928.3	617.9	0.007
Hypertension (%)	16.0	165	22.8	600	32.7	245	33.3	44	<0.001
History of myocardial infarction (%)	0.4	4	1.5	40	3.6	28	3.7	5	<0.001

Data are presented as mean and SD for continuous variables and percentages and frequencies for categorical variables.

*Comparing excellent, good, moderate and poor self-rated health.

BMI, body mass index.