Classical risk factors of cardiovascular disease among Chinese male steel workers: a prospective cohort study for 20 years

Table 4 Multivariable adjusted hazard ratios (95% CI) for CVD from selected studies for men

Characteristics	Chinese steelworkers cohort		derivation cohort of QRISK2 model
	HR	95% CI	HR	95% CI
Age (5 years increase)	1.29	1.18-1.40	1.59	1.58-1.60
SBP (20 mmHg increase)	1.63	1.48-1.80	1.19	1.17-1.20
Current smoker	1.54	1.21-1.97	1.65	1.60-1.70
TC	1.13 †	1.04-1.23	1.19 ‡	1.18-1.20
BMI (5 kg/m² increase)	1.16	0.99-1.37	1.09	1.07-1.11
Age* SBP interaction	0.993	0.920-1.070	0.964	0.960-0.969
Age* smoking interaction	1.211	1.010-1.451	0.932	0.922-0.942
Age* BMI interaction	0.955	0.929-0.981	0.985	0.979-0.991

Adjusted for age, TC, BMI, SBP, and Current smoker. † TC for 20 mg/dL increase, ‡ For Cholesterol/HDL ratio

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