| Variable | Year | Supplement |
|---|---|---|
| CSCL7 | 2004 | Sample child questionnaire |
| CSCL7 | 2003 | Sample child questionnaire |
| CSCL7 | 2001 | Sample child questionnaire |
| DIFFLNG | 2013 | Sample child questionnaire |
| DIFFLNG | 2012 | Sample child questionnaire |
| DIFFLNG | 2011 | Sample child questionnaire |
| SDQIMP2_C | 2019 | Sample child questionnaire |