This is a mixed-methodology pilot study of patients currently taking oral chemotherapy for breast or gastrointestinal cancer. The quantitative portion of the study consists of self-report questionnaires assessing adherence, beliefs about medications, side effect experience, self-efficacy, and satisfaction with patient education; the qualitative portion is an interview guided by two open-ended questions.

Interviews will be conducted with the first 10 participants who agree to be interviewed (or until data saturation is reached). Self-report questionnaires assessing adherence, beliefs about medications, side effect experience, self-efficacy, and satisfaction with patient education; the qualitative portion is an interview guided by two open-ended questions. Data will be collected approximately 2 weeks - 6 months (2 - 24 weeks) after being prescribed capecitabine.

Participation in the study entails completion of five short questionnaires related to the medication adherence (Medication Adherence Questionnaire), beliefs about medication (Beliefs about Medications Questionnaire), side effect experience (Frequency, Intensity, and Burden of Side Effects Rating), self-efficacy (Self-efficacy for Appropriate Medication Use) and satisfaction with medication information (Satisfaction with Information about Medicines Scale) as well as a demographic and treatment data sheet.

Participation in the study entails completion of five short questionnaires related to the medication adherence (Medication Adherence Questionnaire), beliefs about medication (Beliefs about Medications Questionnaire), side effect experience (Frequency, Intensity, and Burden of Side Effects Rating), self-efficacy (Self-efficacy for Appropriate Medication Use) and satisfaction with medication information (Satisfaction with Information about Medicines Scale) as well as a demographic and treatment data sheet.