Using predicted Spanish preference to target bilingual mailings in a mail survey with telephone follow‐up

Objective Spanish‐preferring Medicare beneficiaries are underrepresented in national patient experience surveys. We test a method for improving their representation via higher response rates. Data Sources/Study Setting 2009‐2010 Medicare CAHPS surveys; Medicare population. Study Design We used surname and address to predict Spanish‐language preference for a national sample of 177 139 beneficiaries. We randomized half of the 10 000 non‐Puerto...