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| Row 1: | Shows that the subject used this tobacco product. SUCAT and SUSCAT categorize the product used. The dates of use were not know, but SUSTTPT, SUSTRTPT, SUENTPT and SUENRTPT indicate that the use started before the visit and was still ongoing, | | Row 2: | Shows that the subject used this smokeless tobacco product. This was not the subject usual brand of smokeless tobacco product. |
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| Row | STUDYID | DOMAIN | USUBJID | SPTOBID | SUSEQ | SUTRT | SUCAT | SUSCAT | SUOCCUR | SUSTAT | SUREASND | SUDOSE | SUDOSU | SUDOSFRQ | SUSTDTC | SUENDTC | SUSTTPT | SUSTRTPT | SUENTPT | SUENRTPT |
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| 1 | TB901 | SU | TB901005 | BAND XYZ | 1 | BRAND XYZ CIGARTTES | SMOKED TOBACCO PRODUCT | USUAL BRANDY | 2 | PACK | QD |
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| 2006-01-01 | BEFORE | 2006-01-01 | ONGOING |
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| 2 | TB901 | SU | TB901006 | BRAND ZZZ | 1 | SNUS TOBACCO BRAND ZZZ | SMOKELESS TOBACCO PRODUCT | NOT USUAL BRAND | 1 | CAN | EVERY WEEKY | 2002 | 2006-01-01 |
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In this situation, the sponsor maintained an in-house dictionary of tobacco brands. This allowed this sponsor to study products across studies using the same tobacco product code for each brand of tobacco product. These codes were used to create a TO domain. This domain provided details on the brand of tobacco product used by the subject. Data for two brands of tobacco are shown.
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