Table 2.

Descriptive characteristics of 10 141 men from the EPIC-Norfolk cohort by social class.

	Social class						P-value
	Professional	Manager	Skilled non-manual	Skilled manual	Semi- skilled	Unskilled
N = 10 141	787	3875	1260	2559	1362	298
Age (years)	57.8 ± 9.4	58.0 ± 9.3	59.5 ± 9.4	58.3 ± 9.2	59.1 ± 8.8	59.5 ± 8.7	< 0.001
Body mass index (kg/m2)	26.1 ± 3.2	26.5 ± 3.3	26.5 ± 3.3	26.5 ± 3.3	26.6 ± 3.4	26.6 ± 3.5	0.010
Cigarette smoking habit
Never	49.4 (386)	38.2 (1473)	33.2 (415)	28.7 (729)	29.2 (394)	26.9 (80)	< 0.001
Former	45.3 (354)	51.6 (1991)	56.8 (699)	55.8 (1416)	54.6 (738)	52.5 (156)
Current	5.3 (41)	10.2 (395)	11.0 (138)	15.6 (395)	16.2 (219)	20.5 (61)
Finished school	96.9 (763)	82.0 (3176)	72.3 (911)	60.1 (1539)	49.1 (668)	34.9 (104)	< 0.001
Self-rated Health
Excellent	27.1 (213)	22.4 (868)	17.7 (223)	13.0 (332)	13.8 (188)	13.4 (40)	< 0.001
Good	62.4 (491)	63.9 (2474)	66.0 (832)	64.7 (1656)	62.0 (845)	60.4 (180)
Moderate	10.0 (79)	12.8 (497)	14.4 (182)	20.5 (524)	22.4 (305)	23.2 (69)
Poor	0.5 (4)	0.9 (36)	1.8 (23)	1.8 (47)	1.8 (24)	3.0 (9)
Units of alcohol per week
0	7.5 (59)	6.9 (266)	8.9 (112)	10.8 (276)	14.7 (200)	15.8 (47)	< 0.001
1–13.9	60.1 (473)	60.3 (2338)	67.1 (845)	67.6 (1731)	63.1 (860)	62.1 (185)
≥ 14	32.4 (255)	32.8 (1271)	24.1 (303)	21.6 (552)	22.2 (302)	22.2 (66)
Physical activity
Inactive	27.8 (219)	30.0 (1164)	36.9 (465)	25.9 (663)	27.4 (373)	27.5 (82)	< 0.001
Moderately inactive	37.7 (297)	29.8 (1156)	29.5 (372)	16.3 (416)	16.5 (225)	13.1 (39)
Moderately active	20.3 (160)	22.0 (852)	18.3 (231)	26.3 (673)	26.7 (363)	29.5 (88)
Active	14.1 (111)	18.1 (703)	15.2 (192)	31.5 (806)	29.4 (401)	29.9 (89)

Data are % (n) or mean ± s.d.