S28Q34 AGE FIRST TRIED COCAINE-W1

Variable Description

Name
H1TO34
Label
S28Q34 AGE FIRST TRIED COCAINE-W1
Dataset
wave1

Summary Statistics for 'H1TO34'

Value Valid Label Frequency % of Valid % of All
. Missing missing 2
0.01%
0 Valid you never tried cocaine 19,731
96.59%
95.11%
1 Valid one year old 57
0.28%
0.27%
2 Valid two years old 18
0.09%
0.09%
3 Valid three years old 11
0.05%
0.05%
7 Valid four to seven years old 10
0.05%
0.05%
10 Valid eight to ten years old 10
0.05%
0.05%
11 Valid eleven years old 14
0.07%
0.07%
12 Valid twelve years old 38
0.19%
0.18%
13 Valid thirteen years old 57
0.28%
0.27%
14 Valid fourteen years old 90
0.44%
0.43%
15 Valid fifteen years old 130
0.64%
0.63%
16 Valid sixteen years old 124
0.61%
0.60%
17 Valid seventeen years old 96
0.47%
0.46%
18 Valid eighteen years and older 42
0.21%
0.20%
96 Missing refused 194
0.94%
98 Missing don't know 116
0.56%
99 Missing not applicable 5
0.02%
Total Responses Valid Invalid Min Max
20745 20428 317 0 18

Representation

Representation Type
Code List
Selection Style
SelectOne
Measurement Unit
numeric
Measurement Unit
numeric
Aggregation Method
Unspecified
Temporal
False
Geographic
False

Source Questions

H1TO34

Lineage

  • Wave I In-Home Interview Data - H1TO34
    S28Q34 AGE FIRST TRIED COCAINE-W1
    • H1TO34
      34. How old were you when you tried any kind of cocaine--including powder, freebase, or crack cocaine--for the first time?

Concordance

Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO34
you never tried cocaine
96.59%
one year old
0.28%
two years old
0.09%
three years old
0.05%
four to seven years old
0.05%
eight to ten years old
0.05%
eleven years old
0.07%
twelve years old
0.19%
thirteen years old
0.28%
fourteen years old
0.44%
fifteen years old
0.64%
sixteen years old
0.61%
seventeen years old
0.47%
eighteen years and older
0.21%
Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO34
you never tried cocaine
95.11%
one year old
0.27%
two years old
0.09%
three years old
0.05%
four to seven years old
0.05%
eight to ten years old
0.05%
eleven years old
0.07%
twelve years old
0.18%
thirteen years old
0.27%
fourteen years old
0.43%
fifteen years old
0.63%
sixteen years old
0.60%
seventeen years old
0.46%
eighteen years and older
0.20%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave I In-Home Interview Data H1TO34 20,428 317 0 18
Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO34
you never tried cocaine 0
one year old 1
two years old 2
three years old 3
four to seven years old 7
eight to ten years old 10
eleven years old 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