Table A. Injury and Poisoning Recoded Variables, Variable Labels, Source Variables, and File Locations by Year: National Health Interview Survey, 1997-present
These resources from past NHIS years are available for use by researchers, analysts, and others. For more recent study years, visit the NHIS website: https://www.cdc.gov/nchs/nhis/
PDF Version (37 KB)
| File location of variables | ||||||||
|---|---|---|---|---|---|---|---|---|
| Year | Variable | Variable label | Source variables | Person | Injury Episode | Poisoning Episode | Verbatim Episode | Injury/Poisoning Episode |
| 1997-1999 | DAY | Day of week of injury | IJDATE_M, IJDATE_D, IJDATE_Y | – | X | – | – | – |
| 2000-2003 | DAY | Day of week of injury/poisoning | IJDATE_M, IJDATE_D, IJDATE_Y | – | – | – | – | X |
| 2004 | Variable no longer included in the file | |||||||
| 1997-1999 | PDAY | Day of week of poisoning | POIDTEM, POIDTED, POIDTEY | – | – | X | – | – |
| 2000-2003 | PDAY is replaced with DAY | Day of week of injury/poisoning | IJDATE_M, IJDATE_D, IJDATE_Y | – | – | – | – | X |
| 2004 | Variable no longer included in the file | |||||||
| 1997-1999 | RPCKDM | Time between interview and injury date | RPCKD, RPCKM | – | X | – | – | – |
| 2000-2003 | RPCKDM | Time between interview and injury/poisoning date | RPCKD, RPCKM | – | – | – | – | X |
| 2004-present | RPCKDMR | Time between the date of the injury/poisoning episode and the date the injury/poisoning questions were asked | RPCKD, RPCKM | – | – | – | – | X |
| 1997-1999 | RPCKDMP | Time between interview and poisoning date | RPCKDP, RPCKMP | – | – | X | – | – |
| 2000-2003 | RPCKDMP is replaced with RPCKDM | Time between interview and injury/poisoning date | RPCKD, RPCKM | – | – | – | – | X |
| 2004-present | RPCKDMR | Time between the date of the injury/poisoning episode and the date the injury/poisoning questions were asked | RPCKD, RPCKM | – | – | – | – | X |
| 1997-1999 | ECAUS | Cause of injury based on E codes | ECODE_1 | – | X | – | – | – |
| 2000-2003 | ECAUSNEW | Cause of injury/poisoning based on E codes | ECODE_1 | – | – | – | – | X |
| 2004-present | ECAUS | Cause of injury/poisoning based on E codes | ECODE_1 | – | – | – | – | X |
| 1997-1999 | ECAUS1CT ECAUS2CT ECAUS3CT ECAUS4CT ECAUS5CT ECAUS6CT ECAUS7CT ECAUS8CT ECAUS9CT |
Number of times injured by transportation Number of times injured by burn/scald Number of times injured by fall Number of times injured by overexertion Number of times injured by being struck Number of times injured by animal/insect Number of times injured by cut/pierce Number of times injured by machinery Number of times injured by other |
ECAUS | X | – | – | – | – |
| 2000 | Variables no longer included in the file | – | – | – | – | – | ||
| 1997-1999 | WHAT1CT WHAT2CT WHAT3CT WHAT4CT WHAT5CT WHAT6CT WHAT7CT WHAT8CT WHAT9CT WHAT10CT WHAT11CT |
Number of times injured driving Number of times injured working at paid job Number of times injured working around the house Number of times injured attending school Number of times injured doing unpaid work Number of times injured playing sports Number of times injured during leisure activity Number of times injured resting, eating Number of times injured cooking Number of times injured being cared for Number of times injured doing other things |
WHAT1 – WHAT11 | X | – | – | – | – |
| 2000 | Variables no longer included in the file | – | – | – | – | – | ||
| 1997-1999 | WHER1CT WHER2CT WHER3CT WHER4CT WHER5CT WHER6CT WHER7CT WHER8CT WHER9CT WHER10CT WHER11CT WHER12CT WHER13CT WHER14CT WHER15CT WHER16CT WHER17CT WHER18CT |
Number of times injured inside home Number of times injured outside home Number of times injured at school Number of times injured at child care center Number of times injured in residential facility Number of times injured in health care facility Number of times injured on street/highway Number of times injured in parking lot Number of times injured at sport facility Number of times injured at trade service areas Number of times injured on farm Number of times injured at park/recreation area Number of times injured at river/lake/ocean Number of times injured at swimming pool Number of times injured at construction area Number of times injured in mine or quarry Number of times injured in other public building Number of times injured in other place |
WHER1 – WHER18 | X | – | – | – | – |
| 2000 | Variables no longer included in the file | – | – | – | – | – | ||
| 1997-1999 | ICD9_1 – ICD9_4 | ICD-9-CM diagnosis code | Codes were assigned according to responses given to questions FIJ.050 to FIJ.220 | – | X | – | – | – |
| 2000-2003 | ICD9_1 – ICD9_4 | ICD-9-CM diagnosis code | Codes were assigned according to responses given to questions FIJ.050 to FIJ.221 | – | – | – | – | X |
| 2004-2007 | ICD9_1 – ICD9_8 | ICD-9-CM diagnosis code | Codes were assigned according to responses given to questions FIJ.060_00.000 to FIJ.079_00.000 and FIJ.109_00.000 to FIJ.160_02.000 | – | – | – | – | X |
| 1997-1999 | ECODE_1 – ECODE_3 | ICD-9-CM external cause code | Codes were assigned according to responses given to questions FIJ.050 to FIJ.220 | – | X | – | – | – |
| 2000-2003 | ECODE_1 – ECODE_3 | ICD-9-CM external cause code | Codes were assigned according to responses given to questions FIJ.050 to FIJ.221 | – | – | – | – | X |
| 2004-present | ECODE_1 – ECODE_3 | ICD-9-CM external cause code | Codes were assigned according to responses given to questions FIJ.060_00.000 to FIJ.079_00.000 and FIJ.109_00.000 to FIJ.160_02.000 | – | – | – | – | X |
| 2004-present | RPD | Days between the date of the injury/poisoning episode and the date the injury/poisoning questions were asked | IPDATEM, IPDATED, IPDATEY, IPDATENO, IPDATETP, IPDATEMT, IJDATE | – | – | – | – | X |
| 2004-present | BIETD | Lower boundary of elapsed time interval in days | IPDATEM, IPDATED, IPDATEY, IPDATENO, IPDATETP, IPDATEMT, IJDATE | – | – | – | – | X |
| 2004-present | EIETD | Upper boundary of elapsed time interval in days | IPDATEM, IPDATED, IPDATEY, IPDATENO, IPDATETP, IPDATEMT, IJDATE | – | – | – | – | X |
| 2004-present | EDIPBR | Episode date information reported by the respondent | IPDATEM, IPDATED, IPDATEY, IPDATENO, IPDATETP, IPDATEMT | – | – | – | – | X |
| 2004-present | IMPMETH | Imputed part of I/P date or elapsed time interval | IPDATEM, IPDATED, IPDATEY, IPDATENO, IPDATETP, IPDATEMT | – | – | – | – | X |
| 2004-present | MUMON | Imputed month | IPDATEM, IPDATED, IPDATEY, IPDATENO, IPDATETP, IPDATEMT | – | – | – | – | X |
| 2004-present | MUYEAR | Imputed year | IPDATEM, IPDATED, IPDATEY, IPDATENO, IPDATETP, IPDATEMT | – | – | – | – | X |
| 2004-present | ETFLG | Elapsed time flag | RPD | – | – | – | – | X |
| 2004-present | BEIFLG | Elapsed time interval boundary flag | RPD, BIETD, EIETD | – | – | – | – | X |