Would achieving healthy people 2010's targets reduce both population levels and social disparities in heart disease?


BACKGROUND: The US Healthy People 2010 (HP2010) agenda set targets for major risk factors for coronary heart disease (CHD). However, the potential impact of achieving those risk factor reductions on both population levels and social disparities in CHD has not been quantified. METHODS AND RESULTS: Data on 10-year risk of CHD (from the First National Health and Nutrition Examination Epidemiological Follow-Up study 1971 to 1982), prevalence of major CHD risk factors (from the National Health and Nutrition Examination Survey 2003 to 2004), and HP2010 targets for CHD risk factors (reduction of smoking rate to 12%, hypertension to 14%, high cholesterol levels to 17%, diabetes to 2.5%, and obesity to 15%) were used to estimate effects of different scenarios on population levels and social disparities in CHD. Over a 10-year period, the largest relative reductions in population levels of CHD (20.0% in men; 23.9% in women) would be achieved if all social groups met the HP2010 targets. CHD disparities would be most reduced if the less educated (absolute disparities reduced by 66.1% in men; 56.3% in women) and the low income group (absolute disparities reduced by 93.7% in men; 94.3% in women) achieved the targets before the most advantaged. These reductions are larger than those expected if targets were achieved overall for the population but relative social group differences in risk factors remained, or under leveling-up approaches in which the least advantaged achieved the current levels of risk factors of the most advantaged. CONCLUSIONS: Interventions to reduce CHD risk factors to HP2010 targets that focus on all social groups would produce the best overall scenario for both population levels and disparities in CHD.

Circ Cardiovasc Qual Outcomes
Sam Harper
Sam Harper
Associate Professor of Epidemiology

My research interests include impact evaluation, reproducible research, and social epidemiology.

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