Table 2 Age-adjusted hazard ratios (95% CI) for all-cause and coronary heart disease mortality in 5-year time periods comparing manual versus non-manual social classes in 7735 British men followed up from 1978–1980 to 2005

Age (years)	0–5 years	5–10 years	10–15 years	15–20 years	20–25 years	Overall for each baseline age group
Age (years)	1978–1980 to 1983–1985	1983–1985 to 1988–1990	1988–1990 to 1993–1995	1993–1995 to 1998–2000	1998–2000 to 2003–2005	Overall for each baseline age group
40–44
N	1677					1.75 (1.35 to 2.26)
All-cause	1.64					2.05 (1.25 to 3.42)
CHD	2.25
45–49
N	1838	1661				1.67 (1.39 to 2.01)
All-cause	1.82	2.55				2.11 (1.53 to 2.93)
CHD	5.26	1.68
50–54
N	1911	1797	1630			1.60 (1.39 to 1.85)
All-cause	1.09	1.84	1.62			1.47 (1.15 to 1.88)
CHD	0.87	2.90	2.48
55–59
N	1853	1842	1735	1583		1.37 (1.21 to 1.54)
All-cause	1.70	1.49	1.66	2.25		1.28 (1.04 to 1.58)
CHD	1.99	1.52	1.49	2.68
60–64
N		1724	1723	1641	1505
All-cause		1.65	1.99	1.74	1.39
CHD		1.10	1.52	1.99	1.61
65–69
N			1504	1563	1522
All-cause			1.25	1.69	1.57
CHD			1.56	1.33	2.03
70–74
N				1286	1326
All-cause				1.42	1.55
CHD				1.27	1.91
75–79
N					991
All-cause					1.15
CHD					1.03
Overall for each calendar period
All-cause	1.58 (1.21 to 2.05)	1.68 (1.36 to 2.07)	1.55 (1.29 to 1.86)	1.63 (1.39 to 1.90)	1.32 (1.15 to 1.52)
CHD	1.71 (1.13 to 2.62)	1.43 (1.05 to 1.95)	1.59 (1.17 to 2.17)	1.49 (1.13 1.97)	1.49 (1.15 to 1.95)

CHD, Coronary heart disease.