Table 3

Change in physiological risk factors

Physiological risk factors	Year		Number		Erikson-Goldthorpe class		RII (95% CI)		RII change^3-150
Physiological risk factors	Year		Number		1 Higher professional and managerial	2 Lower professional and managerial	RII (95% CI)		RII change^3-150	3 Routine non-manual	4 Skilled manual	5 Semi and non-skilled
Mean BMI	1984	1881	24.53	24.51	24.78	24.82	24.78	0.39 (−0.17, 0.95)	t=1.21
Mean BMI	1993	4612	26.17	26.08	25.37	26.18	26.06	−0.03 (−0.41, 0.36)	p=0.23
Mean waist/hip ratio (cm)^3-151	1984	1194	0.904	0.898	0.900	0.909	0.910	0.013 (0.002, 0.023)	t=0.80
Mean waist/hip ratio (cm)^3-151	1993	4172	0.894	0.900	0.896	0.907	0.907	0.018 (0.011, 0.024)	p=0.42
Mean DBP (mm Hg)	1984	1883	82.01	82.80	80.72	83.51	83.56	2.12 (0.41, 3.84)	t=2.86
Mean DBP (mm Hg)	1993	4108	77.97	78.50	77.55	77.38	77.61	−0.90 (−2.1, 0.27)	p=0.007
Mean SBP (mm Hg)	1984	1883	129.93	131.36	130.91	132.85	133.90	5.02 (2.64, 7.40)	t=1.31
Mean SBP (mm Hg)	1993	4141	135.83	136.53	137.99	137.75	138.16	3.07 (1.42, 4.72)	p=0.19

↵3-150 Test for change in inequality between 1984 and 1993.
↵3-151 Because absolute differences in WHR are very small, results given to three decimal places.