Patel 2016.

Methods	Randomised controlled trial
Participants	African American women with persistent asthma
Interventions	To evaluate a telephone‐based self‐regulation intervention that emphasised African women's management of asthma compared to usual care in a series of six sessions.
Outcomes	Behavioral factors, symptoms and asthma control, asthma‐related quality of life, and health care use were collected at baseline and 2 years later.
Notes	Trial registered with ClinicalTrials.gov (NCT01117805)