Table A. Injury and Poisoning Recoded Variables, Variable Labels, Source Variables, and File Locations by Year: National Health Interview Survey, 1997-present

				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