This table is a supplement to
Roy A., Ouyang M., Freeman N., Georgopoulos P.G. and Lioy P.J. (2003). Environmental, Dietary, Demographic, and Activity Variables Associated with Biomarkers of Exposure for Benzene and Lead. Journal of Exposure Analysis and Environmental Epidemiology 13(6): 417-426. doi:10.1038/sj.jea.7500296
  
Household, personal, and descriptive questionairre variables used in the construction of tree models:
Variable
Description
AA12B1
FISH FROM OCEAN (1=YES,2=NO)
AA12B2
FISH FROM GREAT LAKES (1=YES,2=NO)
AA12B3
FISH FROM OTHER FRESH WATER (1=YES,2=NO)
AA12B4
FISH FROM ELSEWHERE, UNKNOWN (1=YES,2=NO
AA13
WORK OUTSIDE HOME (1=YES,2=NO)
AA14A
JOB 1 HRS/WK
AA14AI
JOB 1 HRS/WK AT HOME
AA14E
JOB 1 PROTECTIVE CLOTHING (1=YES,2=NO)
AA14F1
JOB 1 WEAR GLOVES (1=YES,2=NO)
AA14F2
JOB 1 WEAR OVERALLS (1=YES,2=NO)
AA14F3
JOB 1 WEAR OVERCOAT/SMOCK (1=YES,2=NO)
AA14F4
JOB 1 WEAR RESPIRATOR (1=YES,2=NO)
AA14F5
JOB 1 WEAR OTHER PROT CLOTH (1=YES,2=NO)
AA14F6
JOB 1 WEAR UNK PROT CLOTHES (1=YES,2=NO)
AA14G1
JOB 1 CONTACT SAW DUST (1=YES,2=NO)
AA14G2
JOB 1 CONTACT ROAD DUST (1=YES,2=NO)
AA14G3
JOB 1 CONTACT FIBERGLASS (1=YES,2=NO)
AA14G4
JOB 1 CONTACT SILICA (1=YES,2=NO)
AA14G5
JOB 1 CONTACT MINE DUST (1=YES,2=NO)
AA14G6
JOB 1 CONTACT INDR SURF DUST (1=YES,2=NO
AA14G7
JOB 1 CONTACT OTHER DUST (1=YES,2=NO)
AA14G8
JOB 1 CONTACT UNK TYPE DUST (1=YES,2=NO)
AA14G9
JOB 1 NO CONTACT WITH DUST (1=YES,2=NO)
AA14H1
JOB 1 CONTACT WELDING FUMES (1=YES,2=NO)
AA14H2
JOB 1 CONTACT SOLDER FUMES (1=YES,2=NO)
AA14H3
JOB 1 CONTACT PLASTIC FUMES (1=YES,2=NO)
AA14H4
JOB 1 CONTACT PAINT FUMES (1=YES,2=NO)
AA14H5
JOB 1 CONTACT GAS/DIESEL FUMES(1=Y,2=N)
AA14H6
JOB 1 CONTACT OTHER FUMES (1=YES,2=NO)
AA14H7
JOB 1 CONTACT UNK TYPE FUMES (1=Y,2=N)
Variable
Description
AA14H8
JOB 1 NO CONTACT WITH FUMES (1=YES,2=NO)
AA15
HAVE SECOND JOB (1=YES,2=NO)
AA16A
JOB 2 HRS/WK
AA16AI
JOB 2 HRS/WK AT HOME
AA16E
JOB 2 PROTECTIVE CLOTHING (1=YES,2=NO)
AA16F1
JOB 2 WEAR GLOVES (1=YES,2=NO)
AA16F2
JOB 2 WEAR OVERALLS (1=YES,2=NO)
AA16F3
JOB 2 WEAR OVERCOAT/SMOCK (1=YES,2=NO)
AA16F4
JOB 2 WEAR RESPIRATOR (1=YES,2=NO)
AA16F5
JOB 2 WEAR OTHER PROT CLOTH (1=YES,2=NO)
AA16F6
JOB 2 WEAR UNK PROT CLOTHES (1=YES,2=NO)
AA16G1
JOB 2 CONTACT SAW DUST (1=YES,2=NO)
AA16G2
JOB 2 CONTACT ROAD DUST (1=YES,2=NO)
AA16G3
JOB 2 CONTACT FIBERGLASS (1=YES,2=NO)
AA16G4
JOB 2 CONTACT SILICA (1=YES,2=NO)
AA16G5
JOB 2 CONTACT MINE DUST (1=YES,2=NO)
AA16G6
JOB 2 CONTACT INDR SURF DUST (1=YES,2=NO
AA16G7
JOB 2 CONTACT OTHER DUST (1=YES,2=NO)
AA16G8
JOB 2 CONTACT UNK TYPE DUST (1=YES,2=NO)
AA16G9
JOB 2 NO CONTACT WITH DUST (1=YES,2=NO)
AA16H1
JOB 2 CONTACT WELDING FUMES (1=YES,2=NO)
AA16H2
JOB 2 CONTACT SOLDER FUMES (1=YES,2=NO)
AA16H3
JOB 2 CONTACT PLASTIC FUMES (1=YES,2=NO)
AA16H4
JOB 2 CONTACT PAINT FUMES (1=YES,2=NO)
AA16H5
JOB 2 CONTACT GAS/DIESEL FUMES(1=Y,2=N)
AA16H6
JOB 2 CONTACT OTHER FUMES (1=YES,2=NO)
AA16H7
JOB 2 CONTACT UNK TYPE FUMES (1=Y,2=N)
AA16H8
JOB 2 NO CONTACT WITH FUMES (1=YES,2=NO)
AA17A
STUDENT OUTSIDE OF HOME
AA17B
CLASS HOURS/WK IN PAST MONTH
Variable
Description
AA18A
HOURS/WK CHILD AWAY FROM HOME
AA18B1
CHILD AT OTHER HOME (1=YES,2=NO)
AA18B2
CHILD AT DAYCARE/PRESCHOOL (1=Y,2=N)
AA18B3
CHILD AT OTHER SCHOOL (1=YES,2=NO)
AA18B4
CHILD ELSEWHERE OUTSIDE HOME (1=Y,2=N)
AA19_1
COMMUTE BY CAR/TRUCK/VAN (1=YES,2=NO)
AA19_2
COMMUTE BY BUS/TROLLEY (1=YES,2=NO)
AA19_3
COMMUTE BY TRAIN/SUBWAY (1=YES,2=NO)
AA19_4
COMMUTE BY MOTORCYCLE (1=YES,2=NO)
AA19_5
COMMUTE BY BICYCLE (1=YES,2=NO)
AA19_6
COMMUTE BY WALKING (1=YES,2=NO)
AA19_7
COMMUTE BY OTHER MEANS (1=YES,2=NO)
AA21A1
HAD DIABETES (1=YES,2=NO)
AA21A2
PROF-DIAGNOSED DIABETES (1=Y,2=N)
AA21A3
HAVE DIABETES (1=YES,2=NO)
AA21A4
AGE DIABETES DIAGNOSED
AA21B1
HAD NEUROMUSCULAR DISABILITY (1=Y,2=N)
AA21B2
PROF-DIAGNOS NEUROMUS.DISAB. (1=Y,2=N)
AA21B3
HAVE NEUROMUSCULAR DISABILITY (1=YES,2=N
AA21B4
AGE NEUROMUSCULAR DISABILITY DIAGNOSED
AA21C1
HAD ASTHMA/ALLERGIES (1=YES,2=NO)
AA21C2
PROF-DIAGNOS ASTHMA/ALLERGIES (1=Y,2=N)
AA21C3
HAVE ASTHMA/ALLERGIES (1=YES,2=NO)
AA21C4
AGE ASTHMA/ALLERGIES DIAGNOSED
AA21D1
HAD ULCER (1=YES,2=NO)
AA21D2
PROF-DIAGNOSED ULCER (1=Y,2=N)
AA21D3
HAVE ULCER (1=YES,2=NO)
AA21D4
AGE ULCER DIAGNOSED
AA21E1
HAD GASTRITIS (1=YES,2=NO)
AA21E2
PROF-DIAGNOSED GASTRITIS (1=Y,2=N)
Variable
Description
AA21E3
HAVE GASTRITIS (1=YES,2=NO)
AA21E4
AGE GASTRITIS DIAGNOSED
AA21F1
HAD FREQ INDIGESTION (1=YES,2=NO)
AA21F2
PROF-DIAGNOSED INDIGESTION (1=Y,2=N)
AA21F3
HAVE FREQ INDIGESTION (1=YES,2=N)
AA21F4
AGE FREQ INDIGESTION DIAGNOSED
AA21G1
HAD STOMACH TROUBLE (1=YES,2=NO)
AA21G2
PROF-DIAGNOS STOMACH TROUBLE (1=Y,2=N)
AA21G3
HAVE STOMACH TROUBLE (1=YES,2=NO)
AA21G4
AGE STOMACH TROUBLE DIAGNOSED
AA21H1
HAD FREQ CONSTIPATION (1=YES,2=NO)
AA21H2
PROF-DIAGNOSED CONSTIPATION (1=Y,2=N)
AA21H3
HAVE FREQ CONSTIPATION(1=YES,2=NO)
AA21H4
AGE FREQ CONSTIPATION DIAGNOSED
AA21I1
HAD LIVER CIRRHOSIS (1=YES,2=NO)
AA21I2
PROF-DIAGNOSED LIVER CIRRHOSIS (1=Y,2=N)
AA21I3
HAVE LIVER CIRRHOSIS (1=YES,2=NO)
AA21I4
AGE LIVER CIRRHOSIS DIAGNOSED
AA21J1
HAD FATTY LIVER (1=YES,2=NO)
AA21J2
PROF-DIAGNOSED FATTY LIVER (1=Y,2=N)
AA21J3
HAVE FATTY LIVER (1=YES,2=NO)
AA21J4
AGE FATTY LIVER DIAGNOSED
AA21K1
HAD HEPATITIS (1=YES,2=NO)
AA21K2
PROF-DIAGNOSED HEPATITIS (1=Y,2=N)
AA21K3
HAVE HEPATITIS (1=YES,2=NO)
AA21K4
AGE HEPATITIS DIAGNOSED
AA21L1
HAD YELLOW JAUNDICE (1=YES,2=NO)
AA21L2
PROF-DIAGNOS YELLOW JAUNDICE (1=Y,2=N)
AA21L3
HAVE YELLOW JAUNDICE (1=YES,2=NO)
AA21L4
AGE YELLOW JAUNDICE DIAGNOSED
Variable
Description
AA21M1
HAD NEPHRITIS (1=YES,2=NO)
AA21M2
PROF-DIAGNOSED NEPHRITIS (1=Y,2=N)
AA21M3
HAVE NEPHRITIS (1=YES,2=NO)
AA21M4
AGE NEPHRITIS DIAGNOSED
AA21N1
HAD KIDNEY STONES (1=YES,2=NO)
AA21N2
PROF-DIAGNOS KIDNEY STONES (1=Y,2=N)
AA21N3
HAVE KIDNEY STONES (1=YES,2=NO)
AA21N4
AGE KIDNEY STONES DIAGNOSED
AA21O1
HAD DISEASE REQUIRING CHEMO (1=Y,2=N)
AA21O2
TIME SINCE LAST CHEMOTHERAPY
AA22
FARM OR RANCH PROPERTY (1=YES,2=NO)
AA25_1
ROOM ADDED PAST 6 MO.
AA25_2
WALL ADDED OR REMOVED PAST 6 MO.
AA25_3
WINDOWS REPLACED PAST 6 MO.
AA25_4
FLOORS REFINISHED PAST 6 MO.
AA25_5
EXTERIOR PAINTING PAST 6 MO.
AA25_6
INTERIOR PAINTING PAST 6 MO.
AA26A
RUNNING WATER AVAILABLE (1=YES,2=NO)
AA26B1
PUBLIC/COMM. TAP WATER (1=YES,2=NO)
AA26B2
PRIVATE WELL TAP WATER (1=YES,2=NO)
AA26B3
CISTERN TAP WATER (1=YES,2=NO)
AA26B4
OTHER SOURCE TAP WATER (1=YES,2=NO)
AA26B5
UNKNOWN SOURCE TAP WATER (1=YES,2=NO)
AA26EI
WATER TREAT: SOFTENER (1=Y,2=N)
AA26EII
WATER TREAT: CHARCOAL FILTER (1=Y,2=N)
AA26EIII
WATER TREAT: REVERSE OSMOSIS (1=Y,2=N)
AA26EIV
WATER TREAT: DISTILLING (1=Y,2=N)
AA26EV
WATER TREAT: OTHER (1=Y,2=N)
AA27A
ATTACHED GARAGE (1=YES,2=NO)
AA27B
GARAGE LOCATION
Variable
Description
AA27C
GARAGE DOORWAY (1=YES,2=NO,3=NA)
AA27D
VEHICLES IN GARAGE (1=YES,2=NO,3=NA)
AA28
GAS-POWERED DEVICES STORED
AA29A
AIR CONDITIONED HOUSE (1=YES,2=NO)
AA29B1
CENTRAL AIR COND.(1=YES,2=NO,3=NA)
AA29B2
WALL/WINDOW AIR COND. (1=YES,2=NO,3=NA)
AA29B3
PORTABLE AIR COND. (1=YES,2=NO,3=NA)
AA29C
# MONTHS IN COOLING SEASON
AA30_1
HEATING BY PIPED-IN GAS (1=YES,2=NO)
AA30_10
HEATING BY UNKNOWN FUEL (1=Y,2=N)
AA30_2
HEATING BY TANK/LP GAS (1=YES,2=NO)
AA30_3
HEATING BY ELECTRICITY (1=YES,2=NO)
AA30_4
HEATING BY OIL/KEROSENE (1=YES,2=NO)
AA30_5
HEATING BY COAL/COKE (1=YES,2=NO)
AA30_6
HEATING BY WOOD (1=YES,2=NO)
AA30_7
HEATING BY SOLAR ENERGY (1=YES,2=NO)
AA30_8
HEATING BY OTHER FUEL (1=YES,2=NO)
AA31
CENTRAL HEATING SYSTEM (1=YES,2=NO)
AA32
# MONTHS IN HEATING SEASON
AA33A
PORT. KEROSENE HEATER USED (1=Y,2=N)
AA33B
# KEROSENE HEATERS USED LAST YEAR
AA33C
FREQ. OF KEROSENE HEATER USE
AA34A
PORT./UNVENT GAS HEATER USED (1=Y,2=N)
AA34B
# PORT./UNVENTED GAS HEATERS USED
AA34C
FREQ. OF PORT./UNVENTED GAS HEATER USE
AA35A
WOOD/COAL STOVE USED (1=YES,2=NO)
AA35B
# WOOD/COAL STOVES USED LAST YEAR
AA35C
FREQ. OF WOOD/COAL STOVE USE
AA35D
TYPE FUEL IN WOOD/COAL STOVE
AA36A
FIREPLACE USED (1=YES,2=NO)
Variable
Description
AA36B
# FIREPLACES USED LAST YEAR
AA36C
FREQ. OF FIREPLACE USE
AA36D1
WOOD BURNED IN FP (1=YES,2=NO,3=NA)
AA36D2
ARTIFICIAL LOGS IN FP (1=Y,2=N,3=NA)
AA36D3
GAS FIRE IN FP (1=YES,2=NO,3=NA)
AA36D4
OTHER BURNED IN FP (1=YES,2=NO,3=NA)
AA37
MOTHBALLS USED PAST 6 MO. (1=YES,2=NO)
AA38
ROOM DEODORIZERS PAST 6 MO. (1=YES,2=NO)
AA39A
HOUSE PETS (1=YES,2=NO)
AA39B
# MOSTLY INDOOR HOUSE PETS
AA39C
# MOSTLY OUTDOOR HOUSE PETS
AA39D
# INDOOR & OUTDOOR HOUSE PETS
AA4
HEIGHT (INCHES)
AA6A
USE TOBACCO PRODUCTS (1=YES, 2=NO)
AA6B
EVER USED TOBACCO PRODUCTS (1=YES,2=NO)
AA6C
TIME SINCE QUITTING TOBACCO USE
AA7A
# CIGARETTES/DAY SMOKED (GROUPED)
AA7B
# CIGARS/DAY SMOKED
AA7C
# PIPEFULS/DAY SMOKED
AA7D
# TIMES/DAY USED SMOKELESS TOBACCO
AA9
TOBACCO SMOKING IN HOME (1=YES,2=NO)
AB1
EDUCATION LEVEL
AB10A
PAST MO. FREQ. PAINTING
AB10B
PAST MO. FREQ. STRIPPING PAINT (CHEM)
AB10C
PAST MO. FREQ. REMOVING PAINT (OTHER)
AB10D
PAST 3-MO. FREQ. USING LEAD SOLDER
AB10E
PAST 3-MO. FREQ. USING (LEAD) OIL PAINT
AB10F
PAST 3-MO. FREQ. OF MOLDING LEAD
AB11
PAST 3-MO. FREQ. EATING HOME-GROWN CROP
AB12A
FREQ. EATING FISH FROM SELF/KIN/FRIEND
Variable
Description
AB2
GENDER
AB20
HEALTH STATUS (1=GOOD,2=FAIR,3=POOR)
AB23
WHEN HOUSE/APT BUILT
AB24
WHEN MOVED INTO HOUSE/APT
AB26C
WATER SOURCE USED IN COOKING
AB26D
WATER SOURCE USED FOR DRINKING
AB40
HOUSEHOLD INCOME
AB5
WEIGHT (POUNDS)
AB8A
# MINUTES WITH SMOKER AT HOME
AB8B
# MINUTES WITH SMOKER AT WORK
AB8C
# MINUTES WITH SMOKER IN ENCL. VEHICLE
AB8D
# MIN. WITH SMOKER IN OTHER ENCL. AREA
AC14A
COMBINED HOURS WORKED PER WEEK
AC14AI
COMBINED HOURS WORKED AT HOME PER WEEK
AC14E
JOB 1 OR 2 PROTECTIVE CLOTHING
AC14F1
AT-JOB WEAR GLOVES (1=YES,2=NO)
AC14F2
AT-JOB WEAR OVERALLS (1=YES,2=NO)
AC14F3
AT-JOB WEAR OVERCOAT/SMOCK (1=YES,2=NO)
AC14F4
AT-JOB WEAR RESPIRATOR (1=YES,2=NO)
AC14F5
AT-JOB WEAR OTHER PROT CLOTH (1=YES,2=NO
AC14F6
AT-JOB WEAR UNK PROT CLOTHES (1=YES,2=NO
AC14G1
AT-JOB CONTACT SAW DUST (1=YES,2=NO)
AC14G2
AT-JOB CONTACT ROAD DUST (1=YES,2=NO)
AC14G3
AT-JOB CONTACT FIBERGLASS (1=YES,2=NO)
AC14G4
AT-JOB CONTACT SILICA (1=YES,2=NO)
AC14G5
AT-JOB CONTACT MINE DUST (1=YES,2=NO)
AC14G6
AT-JOB CONTACT INDR SURF DUST (1=YES,2=N
AC14G7
AT-JOB CONTACT OTHER DUST (1=YES,2=NO)
AC14G8
AT-JOB CONTACT UNK TYPE DUST (1=YES,2=NO
AC14G9
AT-JOB NO CONTACT WITH DUST (1=YES,2=NO)
Variable
Description
AC14H1
AT-JOB CONTACT WELDING FUMES (1=YES,2=NO
AC14H2
AT-JOB CONTACT SOLDER FUMES (1=YES,2=NO)
AC14H3
AT-JOB CONTACT PLASTIC FUMES (1=YES,2=NO
AC14H4
AT-JOB CONTACT PAINT FUMES (1=YES,2=NO)
AC14H5
AT-JOB CONTACT GAS/DIESEL FUMES(1=Y,2=N)
AC14H6
AT-JOB CONTACT OTHER FUMES (1=YES,2=NO)
AC14H7
AT-JOB CONTACT UNK TYPE FUMES (1=Y,2=N)
AC14H8
AT-JOB NO CONTACT WITH FUMES (1=YES,2=NO
ADUST
AT-WORK DUST EXPOSURE
ADUST1
JOB 1 DUST EXPOSURE
ADUST2
JOB 2 DUST EXPOSURE
AELJOB
AT-WORK EXPOSURE TO CRUSTALS
AELJOB1
JOB 1 EXPOSURE TO CRUSTAL ELEMENTS
AELJOB2
JOB 2 EXPOSURE TO CRUSTAL ELEMENTS
AFUME
AT-WORK FUMES/SMOKE EXPOSURE
AFUME1
JOB 1 FUMES/SMOKE EXPOSURE
AFUME2
JOB 2 FUMES/SMOKE EXPOSURE
AGE
AGE IN YEARS (COMPUTED)
AGE
AGE IN YEARS
AMTJOB
AT-WORK EXPOSURE TO METALS
AMTJOB1
JOB 1 EXPOSURE TO METALS
AMTJOB2
JOB 2 EXPOSURE TO METALS
APHJOB
AT-WORK EXPOSURE TO PAHS
APHJOB1
JOB 1 EXPOSURE TO PAHS
APHJOB2
JOB 2 EXPOSURE TO PAHS
APTJOB
AT-WORK EXPOSURE TO PESTICIDES
APTJOB1
JOB 1 EXPOSURE TO PESTICIDES
APTJOB2
JOB 2 EXPOSURE TO PESTICIDES
AVCJOB
AT-WORK EXPOSURE TO VOCS
AVCJOB1
JOB 1 EXPOSURE TO VOCS
Variable
Description
AVCJOB2
JOB 2 EXPOSURE TO VOCS
BA9
Collapsed D9 -- Own Y/N
BD2
SCREENING RESPONDENT ELIGIBILITY
BD3
PRIMARY RESIDENCE
BD4
10+ PEOPLE AT ADDRESS
BD5
GROUP QUARTERS
BD7
TYPE OF HOME
BD7
TYPE OF HOME
BD8
NUMBER ROOMS IN HOME
BD8
NUMBER ROOMS IN HOME
BD9
HOME OWNERSHIP
BD9
HOME OWNERSHIP
BRTHYER
YEAR OF BIRTH
DMTXPOS
AT-WORK DUST WITH METALS
DVCXPOS
AT-WORK DUST WITH VOCS
EDLEVEL
Level of School Completed
FMTXPOS
AT-WORK FUMES WITH METALS
FVCXPOS
AT-WORK FUMES WITH VOCS
GENDER
GENDER (1=M,2=F)
HH_NUMBR
Number in Household
HISPANIC
HISPANIC ORIGIN (1=Y,2=N,3=DK)
MET14G
JOB 1 DUST WITH METALS
MET14H
JOB 1 FUMES WITH METALS
MET16G
JOB 2 DUST WITH METALS
MET16H
JOB 2 FUMES WITH METALS
RACE
RACE CODE
SCHOOL
Attend School/Daycare Outside Home
SMOKE
Smoke Tobacco Products
SMOKE_IN
Smoke Inside Home
VOC14G
JOB 1 DUST WITH VOCS
VOC14H
JOB 1 FUMES WITH VOCS
VOC16G
JOB 2 DUST WITH VOCS
VOC16H
JOB 2 FUMES WITH VOCS
WORK
Work Outside Home
WORKHRS
TOTAL WORK HRS/WK OUTSIDE HOME