Excluded from main analysis
0 = no
1 = yes - out of age range
2 = yes - missing SES data

Hair sample taken
0 = No
1 = Yes
8 = N/A in this study stage

Days between test and retest
888 = n/a

Study Phase
0 = Marco thesis
1 = Hair/test-retest

Sex of participant
1 = Male
2 = Female

Ethnicity of participant
1 = White
2 = Mestizo
3 = Indigena
4 = Black
5 = Mezcla

Street work history
0 = No
1 = Si
8 = Question not asked

WISC Vocab item 1
0 = Incorrect
1 = Correct

WISC Vocab item 5
0 = Incorrect
1 = Moderate
2 = Correct

Towers Item 1 Achievement Score
99 = missing data

Towers total number of items administered
99 = Data missing

Towers total number of minimum moves required fo each item
999 = data missing

Towers total item completion time
9999 = data missing

Towers total achievement score
99 = data missing

Reading the mind in the eyes item 1
0 = Incorrect
1 = Correct
9 = missing data

FauxPas item 1 question 1
0 = Incorrect
1 = Correct
8 = Not applicable
9 = Missing data

FauxPas item 2 question 1
0 = Incorrect
2 = Correct
8 = Not applicable
9 = Missing data

Mother's highest education level
0 = No education
1 = Primaria
2 = Bach
3 = Tercer
4 = Cuarto
5 = PhD
8 = Unkownn
9 = Not recorded

Father's education (with gaps filled with mother's)
0 = No education
1 = Primaria
2 = Bach
3 = Tercer
4 = Cuarto
5 = PhD
8 = Unknown
9 = Not recorded

Type of housing
1 = Rented
2 = With extended family
3 = Own property
8 = unknown
9 = not recorded

Water in house yes/no
0 = No
1 = Yes
8 = unknown
9 = Not recorded

Exclude=0 (FILTER)
0 = Not Selected
1 = Selected

Retest WISC Vocab item 1
0 = Incorrect
1 = correct
8 = n/a

Retest WISC Vocab item 5
0 = Incorrect
1 = Moderate
2 = Correct
8 = n/a

Retest Reading the mind in the eyes item 1
0 = Incorrect
1 = Correct
8 = n/a
9 = missing data

Towers Mean 1st move time
99 = missing

Hair Cortisol ng/g (non normal distribution)
888 = Sample not taken
999 = Unable to process sample

Total SES, max score 18
99 = mising

Vocabulary Total score on WAIS age corrected with regression (normal distribution)
999 = n/a

retest Design Fluency sum of trials 1 and 2 unique designs
88 = n/a