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Persistent Differences in Asthma Self-Efficacy by Race, Ethnicity, and Income in Adults with Asthma (Journal of Asthma)

Publication Topics

California Health Interview Survey; 2009 California Health Interview Survey (CHIS 2009); 2011 California Health Interview Survey (CHIS 2011); 2012 California Health Interview Survey (CHIS 2012); Racial and Ethnic Groups; American Indian and Alaskan Native; Asian; Hispanic/Latino; Native Hawaiian or Pacific Islander; Low-Income; Asthma

Publication Type

CHIS Journal Article

Publication Date


Author 1

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Author 2

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​The objective of this population-based study was to determine if and to what extent there are differences in asthma self-efficacy by race/ethnicity and income, and whether health status, levels of acculturation, and health care factors may explain these differences. Authors conducted a secondary data analysis of asthma self-efficacy using the 2009 and 2011-2012 California Health Interview Survey, in adults with asthma. In order to examine if and how the effect of race/ethnicity and  income on asthma self efficacy may have been altered by health status, acculturation, and health care factors, the authors used staged multivariable  logistic regression models and conducted mediation analyses to evaluate which of these factors might mediate disparities in self efficacy by race/ethnicity and income.

About 70 percent of adults reported having high asthma self-efficacy. Latinos, African-Americans, American Indian/Alaskan Natives, and Asian/Pacific Islanders were less likely to report high self-efficacy compared to Whites. Individuals with income below the federal poverty level were less likely to report high self-efficacy compared to higher income individuals. The relationship between income and self-efficacy was no longer significant after further adjustment for health care factors; however, the differences in race and ethnicity persisted. Receiving an asthma management plan mediated the relationship in certain subgroups.
Addressing modifiable health care factors may play an important role in reducing disparities in asthma self-efficacy.


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Journal Article: Persistent Differences in Asthma Self-Efficacy by Race, Rthnicity, and Income in Adults with Asthma

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Press Release

Related Link 1

California Health Interview Survey (CHIS)

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Last modified at 4/13/2015 3:18 PM by i:0#.f|uclachissqlmembershipprovider|celeste