Table 1 Demographics, socioeconomic characteristics, established risk factors of coronary heart disease and other psychosocial factors by levels of unfairness in the Whitehall II Study.

		Levels of unfairness
	Total (n = 8298)	Null (n = 4330)	Low (n = 1293)	Moderate (n = 1858)	High (n = 817)	p Value for trend
Gender						<0.001
Male	5726	72.7	68.1	64.9	60.3
Female	2572	27.3	31.9	35.1	39.7
Mean age (years)	8298	49.86	49.24	49.26	49.99	0.275
Employment grade						<0.001
Administrative	3164	46.8	33.9	28.6	21.2
Professional	3736	41.3	48.7	50.4	47.1
Clerical	1390	11.9	17.4	21.1	31.7
High serum cholesterol						0.460
No	3321	42.4	42.9	42.3	40.3
Yes	4538	57.6	57.1	57.7	59.7
Hypertension						0.017
No	7652	92.7	92.6	92.6	89.2
Yes	638	7.3	7.4	7.4	10.8
Obesity						<0.001
No	7134	91.7	89.8	89.3	87.1
Yes	757	8.3	10.2	10.7	12.9
Exercise						<0.001
Mild	3135	35.2	39.8	38.9	45.8
Moderate	3652	46.0	42.5	42.4	39.7
Vigorous	1511	18.8	17.7	18.8	14.6
Smoking						0.001
No	7152	87.2	86.3	85.2	83.3
Yes	1142	12.8	13.7	14.8	16.7
Alcohol consumption						<0.001
Moderate	6001	75.1	71.8	70.5	63.2
Abstinent	1617	16.1	20.4	22.3	29.8
Heavy	673	8.8	7.8	7.2	7.0
Job strain						<0.001
Low	2326	38.4	22.8	24.6	22.0
Medium	2556	35.3	36.1	32.7	29.1
High	2587	26.3	41.1	42.7	48.9
Effort–reward imbalance						<0.001
Low	2406	36.6	29.3	29.0	24.9
Medium	2380	33.4	33.6	30.5	27.7
High	2604	30.0	37.1	40.4	47.4
Organisational justice						<0.001
High	2508	49.6	35.0	24.7	20.6
Medium	2018	31.2	30.7	34.3	24.5
Low	1940	19.2	34.2	41.0	54.8