Variable Description

Name
H1TO40
Label
S28Q40 AGE FIRST OTHER ILLEGAL DRUGS-W1
Dataset

Summary Statistics for 'H1TO40'

Value Valid Label Frequency % of Valid % of All
. Missing missing 8
0.04%
0 Valid you never tried any other type of illegal drug 18,789
91.97%
90.57%
1 Valid one year old 50
0.24%
0.24%
3 Valid two to three years old 19
0.09%
0.09%
6 Valid four to six years old 18
0.09%
0.09%
9 Valid eight to nine years old 10
0.05%
0.05%
11 Valid ten to eleven years 35
0.17%
0.17%
12 Valid twelve years old 93
0.46%
0.45%
13 Valid thirteen years old 165
0.81%
0.80%
14 Valid fourteen years old 285
1.40%
1.37%
15 Valid fifteen years old 369
1.81%
1.78%
16 Valid sixteen years old 351
1.72%
1.69%
17 Valid seventeen years old 190
0.93%
0.92%
18 Valid eighteen years and older 56
0.27%
0.27%
96 Missing refused 194
0.94%
98 Missing don't know 103
0.50%
99 Missing not applicable 10
0.05%
Total Responses Valid Invalid Min Max
20745 20430 315 0 18

Representation

Source Questions

H1TO40

Lineage

  • Wave I In-Home Interview Data - H1TO40
    S28Q40 AGE FIRST OTHER ILLEGAL DRUGS-W1
    • 40. How old were you when you first tried any other type of illegal drug, such as LSD, PCP, ecstasy, mushrooms, speed, ice, heroin, or pills, without a doctor's prescription?

Concordance

Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO40
you never tried any other type of illegal drug
91.97%
one year old
0.24%
two to three years old
0.09%
four to six years old
0.09%
eight to nine years old
0.05%
ten to eleven years
0.17%
twelve years old
0.46%
thirteen years old
0.81%
fourteen years old
1.40%
fifteen years old
1.81%
sixteen years old
1.72%
seventeen years old
0.93%
eighteen years and older
0.27%
Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO40
you never tried any other type of illegal drug
90.57%
one year old
0.24%
two to three years old
0.09%
four to six years old
0.09%
eight to nine years old
0.05%
ten to eleven years
0.17%
twelve years old
0.45%
thirteen years old
0.80%
fourteen years old
1.37%
fifteen years old
1.78%
sixteen years old
1.69%
seventeen years old
0.92%
eighteen years and older
0.27%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave I In-Home Interview Data H1TO40 20,430 315 0 18
Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO40
you never tried any other type of illegal drug 0
one year old 1
two to three years old 3
four to six years old 6
eight to nine years old 9
ten to eleven years 11
twelve years old 12
thirteen years old 13
fourteen years old 14
fifteen years old 15
sixteen years old 16
seventeen years old 17
eighteen years and older 18