Reference
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Use of this scale in CLOSER Discovery study questionnaires and datasets
| Version | Study | Year | Questionnaire | Dataset |
| 9-item version | USoc | 2009-2010 | Wave 1 Adult Self-Completion Questionnaire | Wave 1 Data from the individual interview Dataset |
| 9-item version | USoc | 2013-2014 | Wave 5 Adult Self-Completion Questionnaire | Wave 5 Data from the individual interview Dataset |
| 9-item version | USoc | 2015-2016 | Wave 7 Self-Completion Questionnaire | Wave 7 Data from the individual interview Dataset |
| 9-item version | USoc | - | Wave 9 Self-Completion Questionnaire | - |
| 9-item version | USoc | - | Wave 11 Self-Completion Questionnaire | - |
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