Zhang, Qi; Wang, Youfa - In: Social Science & Medicine 58 (2004) 6, pp. 1171-1180
This study introduces the concentration index (CI) to assess socioeconomic inequality in the distribution of obesity among American adults aged 18-60 years old. The CI provides a summary measure of socioeconomic inequality, and enabled comparisons across gender, age, and ethnicity. Data from the...