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Objectives. To determine the impact of data disaggregation on the ability to identify health disparities and needs for future research for Filipino, Vietnamese, Chinese, Japanese, and Korean adults in California. Methods. Using available data from the 2011-2017 California Health Interview Survey, we conducted bivariate and multivariable analyses to assess disparities in health conditions, outcomes, and service access compared with non-Hispanic Whites for Asians as an overall group and for each individual subgroup. Results. As an aggregate category, Asians appeared healthier than did non-Hispanic Whites on most indicators. However, every Asian subgroup had at least 1 disparity disguised by aggregation. Filipinos had the most disparities, with higher prevalence of fair or poor health, being obese or overweight, and having high blood pressure, diabetes, or asthma compared with non-Hispanic Whites ( P  < .05) in multivariable analyses. Conclusions. Failure to disaggregate health data for individual Asian subgroups disguises disparities and leads to inaccurate conclusions about needs for interventions and research.

Objectives: We examined obesogenic dietary practices among Latino and Asian subgroups of children living in California., Methods: We analyzed 2007, 2009, and 2011-2012 California Health Interview Survey data to examine the differences in dietary practices among Mexican and non-Mexican Latino children and 7 ethnic subgroups of Asian children. We used multivariable regression to examine the sociodemographic factors associated with specific dietary practices., Results: Latino subgroups of children had few differences in obesogenic dietary practices, whereas Asian subgroups of children exhibited significant differences in several obesogenic dietary practices. Korean and Filipino children were more likely than Chinese children to consume fast food and have low vegetable intake. Filipino children, followed by Japanese children, had the most obesogenic dietary practices compared with Chinese children, who along with South Asian children appeared to have the least obesogenic dietary practices. In general, income, education, and acculturation did not explain the dietary differences among Asian groups., Conclusions: Our findings suggest the need to disaggregate dietary profiles of Asian and Latino children and to consider nontraditional sociodemographic factors for messaging and counseling on healthy dietary practices among Asian populations.