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Intervention: a lay health coach gathered information from the patient and medical record for remote review by a pulmonary specialist, who provided general recommendations to the primary care clinician. The coach supported implementation of recommendations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Measurements<\/jats:title>\n                    <jats:p>Primary outcomes were receipt of guideline-based care and medications. Secondary outcomes were receipt of chronic lung disease education, breathing-related quality of life and symptoms, patient-rated quality of care, and adherence to inhaler therapy. Longitudinal models for count data were used to estimate Intervention: Control relative rates. Parallel models for continuous data estimated relative means.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main results<\/jats:title>\n                    <jats:p>A total of 165 intervention participants received 1.61-fold more guideline-based care than 163 control participants (relative ratio; 95% CI: 1.37-1.90). They were not more likely to receive guideline-based medications in planned analysis using a pooled baseline rate, although post-hoc analysis using arm-specific baseline rates found significant improvement. Intervention patients received more chronic lung disease education and reported greater improvements in breathing-related quality of life, symptoms, and patient-reported quality of care.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This intervention offers a scalable approach to improve uptake of clinical guidelines in resource-limited primary care practices managing most asthma and COPD care.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Descriptor number<\/jats:title>\n                    <jats:p>2.9 Racial, ethnic, or social disparities in lung disease and treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical trial registration<\/jats:title>\n                    <jats:p>NCT03695276<\/jats:p>\n                  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