Table 3 Cox regression analysis: indicators of socioeconomic status and risk of ischaemic heart disease (IHD).

Women*	IHD (ICD‐9 410–414)		Acute myocardial infarction (ICD‐9 410)		Acute/subacute IHD (ICD‐9 411)		Angina pectoris (ICD‐9 413)		Chronic IHD (ICD‐9 414)
	n (%) diseased	HR (95%CI)	n (%) diseased	HR (95%CI)	n (%) diseased	HR (95%CI)	n (%) diseased	HR (95%CI)	n (%) diseased	HR (95%CI)
Model 1
Education and training
⩽10 years without vocational training	33 (0.5)	0.62 (0.41 to 0.92)	9 (0.1)	0.48 (0.23 to 1.00)	1 (0.01)	0.29 (0.03 to 3.21)	12 (0.2)	0.58 (0.30 to 1.11)	11 (0.1)	1.01 (0.51 to 2.00)
⩽10 years with vocational training	18 (0.1)	0.25 (0.16 to 0.39)	2 (0.01)	0.13 (0.02 to 0.35)	3 (0.02)	0.72 (0.13 to 3.93)	9 (0.05)	0.32 (0.16 to 0.64)	4 (0.03)	0.24 (0.10 to 0.58)
>12 years, college/university degree	30 (0.6)	1.0	10 (0.2)	1.0	2 (0.05)	1.0	12 (0.3)	1.0	6 (0.1)	1.0
Model 2:
Occupational position									15
Unskilled semiskilled positions	51 (0.3)	2.64 (1.74 to 4.01)	17 (0.1)	5.29 (1.82 to 15.31)	3 (0.02)	3.01 (0.31 to 29.02)	23 (0.2)	2.11 (1.15 to 3.91)	8 (0.1)	2.93 (1.44 to 5.98)
Skilled manuals	4 (0.2)	1.62 (0.67 to 3.90)	1 (0.05)	3.87 (0.71 to 21.17)	2 (0.1)	25.35 (2.63 to 243.97)	1 (0.06)	1.66 (0.48 to 5.73)	0 (0)	—
Non‐manuals, intermediate positions, professionals	19 (0.1)	1.0	3 (0.02)	1.0	1 (0.01)	1.0	9 (0.1)	1.0	6 (0.04)	1.0
Model 3:
Income
Lower two quintiles	51 (0.3)	2.09 (1.16 to 3.76)	15 (0.1)	3.00 (0.87 to 10.32)	2 (0.03)	0.51 (0.07 to 3.64)	21 (0.3)	1.73 (0.74 to 4.04)	13 (0.2)	3.18 (0.93 to 10.87)
Medium quintile	15 (0.2)	1.29 (0.63 to 2.65)	3 (0.1)	1.90 (0.45 to 7.97)	2 (0.03)	1.07 (0.15 to 7.57)	5 (0.1)	0.81 (0.25 to 2.54)	5 (0.1)	1.90 (0.45 to 7.96)
Upper two quintiles	15 (0.2)	1.0	3 (0.04)	1.0	2 (0.01)	1.0	7 (0.04)	1.0	3 (0.02)	1.0

ICD, International Classification of Diseases

^*Employed people only, aged 25–65 years.

^†Main effects of education and training, occupational position and income.