An "X" indicates the variable is available for the listed sample.
| C (Group continued on next page...) [top] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Variable
|
Variable Label
|
Type |
24 |
23 |
22 |
21 |
20 |
19 |
18 |
17 |
16 |
15 |
14 |
13 |
12 |
11 |
10 |
09 |
08 |
07 |
06 |
05 |
04 |
03 |
02 |
01 |
00 |
Variable
|
99 |
98 |
97 |
96 |
95 |
94 |
93 |
92 |
91 |
90 |
89 |
88 |
87 |
86 |
85 |
84 |
83 |
82 |
81 |
80 |
79 |
78 |
77 |
76 |
75 |
Variable
|
74 |
73 |
72 |
71 |
70 |
69 |
68 |
67 |
66 |
65 |
64 |
63 |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CEREALMNO | Frequency eating hot or cold cereals during past month: Number of units | P | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | CEREALMNO | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CEREALMNO | . | . | . | . | . | . | . | . | . | . | . | . | |
| CEREALMO | Frequency eating cereal, past month | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | CEREALMO | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CEREALMO | . | . | . | . | . | . | . | . | . | . | . | . | |
| CEREALMTP | Frequency eating hot or cold cereals during past month: Time period | P | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | CEREALMTP | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CEREALMTP | . | . | . | . | . | . | . | . | . | . | . | . | |
| CEREALMTYP1 | First type of cereal eaten during past month | P | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | CEREALMTYP1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CEREALMTYP1 | . | . | . | . | . | . | . | . | . | . | . | . | |
| CEREALMTYP2 | Second type of cereal eaten during past month | P | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | CEREALMTYP2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CEREALMTYP2 | . | . | . | . | . | . | . | . | . | . | . | . | |
| CEREALSMYN | Ate second type of cereal in past month | P | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | CEREALSMYN | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CEREALSMYN | . | . | . | . | . | . | . | . | . | . | . | . | |
| CEREALTYPE | Recode: General type of cereal consumed most often | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | CEREALTYPE | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CEREALTYPE | . | . | . | . | . | . | . | . | . | . | . | . | |
| CEREALYR | Recode: frequency eating all cereal types, times per year | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | X | CEREALYR | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CEREALYR | . | . | . | . | . | . | . | . | . | . | . | . | |
| CEREBPALEV | Ever told had cerebral palsy | P | . | . | . | . | . | . | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | CEREBPALEV | X | X | X | . | X | X | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | CEREBPALEV | . | . | . | . | . | . | . | . | . | . | . | . | |
| CERFORSIZ | Portion size: Fortified cereals (Total) | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CERFORSIZ | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CERFORSIZ | . | . | . | . | . | . | . | . | . | . | . | . | |
| CERVTESTTYPE | At most recent cervical cancer screening, told type of test received | P | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CERVTESTTYPE | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CERVTESTTYPE | . | . | . | . | . | . | . | . | . | . | . | . | |
| CESMOKDALYY | Total years smoked every day (current every day smokers) | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CESMOKDALYY | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CESMOKDALYY | . | . | . | . | . | . | . | . | . | . | . | . | |
| CFHBEV | Family ever had breast cancer | P | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHBEV | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHBEV | . | . | . | . | . | . | . | . | . | . | . | . | |
| CFHBNO | Number of family members with breast cancer | P | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHBNO | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHBNO | . | . | . | . | . | . | . | . | . | . | . | . | |
| CFHBNO50 | Number of family members with breast cancer before age 50 | P | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHBNO50 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHBNO50 | . | . | . | . | . | . | . | . | . | . | . | . | |
| CFHEV | Family ever had cancer | P | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHEV | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHEV | . | . | . | . | . | . | . | . | . | . | . | . | |
| CFHOVEV | Family ever had ovarian cancer | P | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHOVEV | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHOVEV | . | . | . | . | . | . | . | . | . | . | . | . | |
| CFHOVNO | Number of family members with ovarian cancer | P | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHOVNO | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHOVNO | . | . | . | . | . | . | . | . | . | . | . | . | |
| CFHRISK | Talked to doctor about family risk of cancer | P | . | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHRISK | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFHRISK | . | . | . | . | . | . | . | . | . | . | . | . | |
| CFSSTILL | Still have Chronic Fatigue Syndrome | P | X | X | X | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFSSTILL | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CFSSTILL | . | . | . | . | . | . | . | . | . | . | . | . | |
| C (continued) (Group continued on next page...) [top] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Variable
|
Variable Label
|
Type |
24 |
23 |
22 |
21 |
20 |
19 |
18 |
17 |
16 |
15 |
14 |
13 |
12 |
11 |
10 |
09 |
08 |
07 |
06 |
05 |
04 |
03 |
02 |
01 |
00 |
Variable
|
99 |
98 |
97 |
96 |
95 |
94 |
93 |
92 |
91 |
90 |
89 |
88 |
87 |
86 |
85 |
84 |
83 |
82 |
81 |
80 |
79 |
78 |
77 |
76 |
75 |
Variable
|
74 |
73 |
72 |
71 |
70 |
69 |
68 |
67 |
66 |
65 |
64 |
63 |
|
| CH1AGEC | Age of first biological child with known cancer, when first diagnosed with cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1AGEC | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1AGEC | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH1AGED | Age first biological child with known cancer died | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1AGED | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1AGED | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH1CAN | First biological child with known cancer has valid cancer code | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1CAN | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1CAN | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH1CAN2 | First biological child with known cancer has any other cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1CAN2 | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1CAN2 | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH1CTYPE | Type of cancer for first biological child with known cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1CTYPE | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1CTYPE | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH1DIAC | Type of cancer first diagnosed for first biological child with known cancers | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1DIAC | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1DIAC | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH1LIVE | First biological child with known cancer still living | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1LIVE | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1LIVE | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH1SEX | Sex of first biological child with known cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1SEX | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1SEX | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH1YOB | Year of birth of first biological child with known cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH1YOB | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH1YOB | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2AGEC | Age of second biological child with known cancer, when first diagnosed with cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2AGEC | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2AGEC | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2AGED | Age second biological child with known cancer died | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2AGED | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2AGED | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2CAN | Second biological child with known cancer has valid cancer code | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2CAN | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2CAN | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2CAN2 | Second biological child with known cancer has any other cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2CAN2 | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2CAN2 | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2CTYPE | Type of cancer for second biological child with known cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2CTYPE | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2CTYPE | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2DIAC | Type of cancer first diagnosed for second biological child with known cancers | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2DIAC | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2DIAC | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2LIVE | Second biological child with known cancer still living | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2LIVE | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2LIVE | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2SEX | Sex of second biological child with known cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2SEX | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2SEX | . | . | . | . | . | . | . | . | . | . | . | . | |
| CH2YOB | Year of birth of second biological child with known cancer | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CH2YOB | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CH2YOB | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHAIR | Uses wheelchair | P | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | . | X | . | . | . | . | . | . | . | . | CHAIR | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | X | X | . | X | . | . | CHAIR | . | . | . | . | . | X | . | . | . | . | . | . | |
| CHANGEIN | Changed usual place for health care for insurance reasons | P | . | . | . | . | . | . | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | CHANGEIN | X | X | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHANGEIN | . | . | . | . | . | . | . | . | . | . | . | . | |
| C (continued) (Group continued on next page...) [top] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Variable
|
Variable Label
|
Type |
24 |
23 |
22 |
21 |
20 |
19 |
18 |
17 |
16 |
15 |
14 |
13 |
12 |
11 |
10 |
09 |
08 |
07 |
06 |
05 |
04 |
03 |
02 |
01 |
00 |
Variable
|
99 |
98 |
97 |
96 |
95 |
94 |
93 |
92 |
91 |
90 |
89 |
88 |
87 |
86 |
85 |
84 |
83 |
82 |
81 |
80 |
79 |
78 |
77 |
76 |
75 |
Variable
|
74 |
73 |
72 |
71 |
70 |
69 |
68 |
67 |
66 |
65 |
64 |
63 |
|
| CHEARTDIEV | Ever told had coronary heart disease | P | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | CHEARTDIEV | X | X | X | . | . | . | . | . | . | . | . | . | . | . | . | X | X | . | . | . | . | . | . | . | . | CHEARTDIEV | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEARTDIEVC | Had coronary heart disease, ever (Condition) | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHEARTDIEVC | . | . | . | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | . | . | . | . | CHEARTDIEVC | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEARTDIYR | Had coronary heart disease, past 12 months | P | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | X | . | . | CHEARTDIYR | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHEARTDIYR | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEB | Total number of live births | P | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | X | . | . | . | . | X | CHEB | . | . | . | . | . | . | . | . | . | . | X | . | X | . | . | . | . | . | . | . | . | . | . | X | . | CHEB | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEBFLAG | Total number of live births: Flag for reasonable values | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHEBFLAG | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CHEBFLAG | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEBMOM | Number of children biological mother ever had, intervalled | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHEBMOM | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | X | . | . | . | . | . | . | CHEBMOM | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEBOOK | Bought self-help book or other materials to learn about ayurveda | P | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CHEBOOK | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHEBOOK | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEBOOKP | Amount paid for self-help book or other materials to learn about chelation therapy | P | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CHEBOOKP | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHEBOOKP | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECKUP | Had checkup in past 12 months | P | . | . | . | . | . | . | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | CHECKUP | X | X | X | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECKUP | . | X | . | . | . | . | . | . | . | . | . | . | |
| CHECON1 | (First) condition for which chelation was used most | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | CHECON1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECON1 | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECON1HELP | Degree of help from chelation, 1st condition | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | CHECON1HELP | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECON1HELP | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECON2 | Second condition for which chelation was used | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | CHECON2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECON2 | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECON2HELP | Degree of help from chelation, 2nd condition | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | CHECON2HELP | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECON2HELP | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECON3 | Third condition for which chelation was used | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | CHECON3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECON3 | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECON3HELP | Degree of help from chelation, 3rd condition | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | CHECON3HELP | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECON3HELP | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECONNO | Condition count for chelation | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | CHECONNO | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECONNO | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECOUN | Got counseling for chelation condition | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | CHECOUN | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECOUN | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHECOUNTIM | When got counseling for chelation condition | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | . | . | CHECOUNTIM | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHECOUNTIM | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEESEMO | Frequency eating cheese, past month | P | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | X | . | . | . | . | . | CHEESEMO | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | CHEESEMO | . | . | . | . | . | . | . | . | . | . | . | . | |
| CHEESENO | Frequency eating cheese: number of time units | P | . | . | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | CHEESENO | . | . | . | . | . | . | . | X | . | . | . | . | X | . | . | . | . | . | . | . | . | . | . | . | . | CHEESENO | . | . | . | . | . | . | . | . | . | . | . | . | |