Heterogeneity of Asthma Care Among Hispanic Subgroups: Lower Utilization of Hospital-based Care among Spanish-speaking Hispanics

Background: 

Studies found heterogeneity of asthma prevalence among Hispanic subgroups using survey data but addressed under-diagnosis issues due to limited access to health care and diagnosis bias.

Objectives: 

To examine heterogeneity by language in health care utilization for asthma among Hispanic subgroups.

Research Design: 

A retrospective, longitudinal cohort study of Medi-Cal claims data (2018–2019) using logistic regression to estimate the odds ratio of health care utilization for asthma.

Subjects: 

In all, 12,056 (ages 5–64) Hispanics living in Los Angeles were identified as having persistent asthma.

Measures: 

Primary language is the predictor variable and outcome measures include ED visits, hospitalizations, and outpatient visits.

Results: 

The odds of ED visits among Spanish-speaking Hispanics were lower than English-speaking Hispanics in the subsequent 6 (95% CI=0.65–0.93) and 12 (95% CI=0.66–0.87) months. Spanish-speaking Hispanics were less likely than their English-speaking counterparts to utilize hospitalization in the 6 months (95% CI=0.48–0.98), while they were more likely to utilize outpatient care (95% CI=1.04–1.24). For Hispanics of Mexican origin, the odds of ED visits among Spanish-speaking Hispanics were also lower in the 6 and 12 months (95% CI=0.63–0.93, 95% CI=0.62–0.83), but their odds of outpatient visits were higher for outpatient visits in the 6 months (95% CI=1.04–1.26).

Conclusions: 

Spanish-speaking Hispanics with persistent asthma were less likely than English-speaking Hispanics to utilize ED visits and hospitalizations but were more likely to utilize outpatient visits. The findings suggest the reduced burden of asthma among the Spanish-speaking Hispanic subgroup and contribute to explaining the protection effect, specifically among Spanish-speaking Hispanics living in highly segregated communities.

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