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1. The scale points include a numeric rating (1-7) and a definition of what is represented by the rating (e.g., 1 = "All of the time"). For the CRQ-SAS FIRST ADMINISTRATION VERSION, QSORRES is populated with the text description while the numeric rating is represented in the standardized character and numeric result variables QSSTRESC and QSSTRESN.
          a.  The first 5 questions have a questionnaire choice of “8 = Not Done”. The result of “8” is included in QSSTRESC and QSSTRESN; however, the sponsor’s analysis plan should determine whether this value is considered a score for purposes of summary statistic calculationsusers need to follow the scoring Solution in their approved copyright permission.

2. The time period of evaluation for theCRQ-SAS FIRST ADMINISTRATION VERSION is populated in the QSEVLINTfield in ISO 8601 format when the evaluation interval can be precisely described as duration. The evaluation interval for the CRQ-SAS FIRST ADMINISTRATION VERSION is the LAST 2 WEEKS (QSEVLINT = "-P2W"). 

3. Records are created in qs.xpt for every item on the instrument: 

   1. For items with no data, QSORRES, QSSTRESC, and QSSTRESN are all missing and QSSTAT = "NOT DONE". If the reason is known then that reason is represented in QSREASND (e.g., QSREASND = "PREFER NOT TO ANSWER"). If the reason is unknown, then QSSTAT = "NOT DONE" and QSREASND is missing.

4. Terminology

   1. QSCAT, QSTESTCD, QSTEST, QSORRES, QSSTRESC, and QSSTRESN values are included in CDISC Controlled Terminology.

   2. A full list of value sets for the result fields is provided in Section 4, SDTM Mapping Strategy.

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