After institutional review board approval and waiver of informed consent, we enroll all adult patients (18 years and up) with a scheduled first appointment at our outpatient Pain Center at Montefiore Medical Center located in the Bronx, New York from October 2014 through October 2015. Participants are randomized to receive a phone call in their preferred language before their appointment, or not. We recorded if participants attended as scheduled and/or called to cancel. We fit stratified and multivariate multinomial logistic regression models.