Variable Description

Name
H1TO45
Label
S28Q45 AGE FIRST INJECTED DRUGS-W1
Dataset

Summary Statistics for 'H1TO45'

Value Valid Label Frequency % of Valid % of All
. Missing missing 2
0.01%
4 Valid one to four years old 10
23.26%
0.05%
11 Valid five to eleven years old 11
25.58%
0.05%
14 Valid twelve to fourteen years 11
25.58%
0.05%
15 Valid fifteen years and older 11
25.58%
0.05%
97 Missing legitimate skip 20,696
99.76%
98 Missing don't know 4
0.02%
Total Responses Valid Invalid Min Max
20745 43 20702 4 15

Representation

Measurement Unit
numeric
Aggregation Method
Unspecified
Temporal
False
Geographic
False

Source Questions

H1TO45

Lineage

  • Wave I In-Home Interview Data - H1TO45
    S28Q45 AGE FIRST INJECTED DRUGS-W1
    • 45. How old were you the first time?

Concordance

Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO45
one to four years old
23.26%
five to eleven years old
25.58%
twelve to fourteen years
25.58%
fifteen years and older
25.58%
Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO45
one to four years old
0.05%
five to eleven years old
0.05%
twelve to fourteen years
0.05%
fifteen years and older
0.05%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave I In-Home Interview Data H1TO45 43 20,702 4 15
Add Health
Wave I
Wave I In-Home Interview
Wave I In-Home Interview Data
H1TO45
one to four years old 4
five to eleven years old 11
twelve to fourteen years 14
fifteen years and older 15