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| Row 1: | Shows that the subject previously 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 the subject uses marijuana starting in 2002 and stopped using it on the day of the baseline visit. | | Row 3: | Subject 1234006 is a former smoker. The date this subject began smoking is unknown, but it was sometime before the assessment date; this is shown by the values of SUSTTPT and SUSTRTPT. The end date of smoking was collected, so SUENTPT and SUENRTPT are not populated. Instead, the end date is in SUENDTC. | | Rows 4 & 5: | Show the subjects had missing data for the usage of recreational products; this is indicated by SUSTAT = "NOT DONE". The reason is in SUREASND. |
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| Dataset2 |
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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 | TB784 | SU | TB005 | BAND XYX | 1 | BRAND XYZ CIGARTTES | SMOKED TOBACCO PRODUCT | USUAL BRAND | Y |
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| 2 | PACK | QD |
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| 2006-01-01 | BEFORE | 2006-01-01 | ONGOING |
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| 2 | TB784 | SU | TB006 | BRAND ZZZ | 1 | CHEWING TOBACCO BRAND ZZZ | SMOKELESS TOBACCO PRODUCT | NOT USUAL BRAND | Y |
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| 2002 | 2006-01-01 |
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