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How often did you take additional medications for your heartburn or regurgitation other than what your physician told you to take, such as tums, rolaids, maalox in the past 7 days [PhenX]

How often did you take additional medications for your heartburn or regurgitation other than what your physician told you to take, such as tums, rolaids, maalox in the past 7D measured as a number rate in the patient by PhenX, an ordinal result. PhenX measures.