S28Q5 AGE AT REGULAR SMOKING-W3

Variable Description

Name
H3TO5
Label
S28Q5 AGE AT REGULAR SMOKING-W3
Dataset
wave3

Summary Statistics for 'H3TO5'

Value Valid Label Frequency % of Valid % of All
. Missing missing 9
0.06%
96 Missing refused 13
0.09%
97 Missing legitimate skip 9,347
61.51%
98 Missing don't know 57
0.38%
99 Missing not applicable 6
0.04%
Total Responses Valid Invalid Min Max Mean StdDev Variance Skewness Kurtosis
15197 5765 9432 5 26 16.5703382480485 2.49074371922954 6.20380427488139 -0.261035197494867 1.263342361181

Representation

Representation Type
Numeric
Type
Double
Variable is a Weight
False
Aggregation Method
Unspecified
Temporal
False
Geographic
False

Source Questions

H3TO5

Lineage

  • Wave III In-Home Interview - H3TO5
    S28Q5 AGE AT REGULAR SMOKING-W3
    • H3TO5
      5. How old were you when you first smoked cigarettes regularly--that is, at least one cigarette every day for 30 days?

Concordance

Add Health
Wave I Wave III Wave IV
Wave I In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview
Wave I In-Home Interview Data Wave III In-Home Interview Wave IV In-Home Interview
H1TO4 H3TO5 H4TO4
under one year
0.71%
one year old
0.27%
two to five years old
0.30%
six years old
0.30%
seven years old
0.52%
eight years old
0.94%
nine years old
1.11%
ten years old
3.13%
eleven years old
4.12%
twelve years old
11.71%
thirteen years old
16.26%
fourteen years old
19.25%
fifteen years old
17.96%
sixteen years old
14.19%
seventeen years old
6.88%
eighteen years and older
2.37%
Add Health
Wave I Wave III Wave IV
Wave I In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview
Wave I In-Home Interview Data Wave III In-Home Interview Wave IV In-Home Interview
H1TO4 H3TO5 H4TO4
under one year
0.14%
one year old
0.05%
two to five years old
0.06%
six years old
0.06%
seven years old
0.10%
eight years old
0.18%
nine years old
0.22%
ten years old
0.61%
eleven years old
0.81%
twelve years old
2.29%
thirteen years old
3.18%
fourteen years old
3.76%
fifteen years old
3.51%
sixteen years old
2.78%
seventeen years old
1.34%
eighteen years and older
0.46%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave I In-Home Interview Data H1TO4 4,058 16,687 0 18
Wave III In-Home Interview H3TO5 5,765 9,432 5 15 17 18 26 16.5703382480485 2.49074371922954
Wave IV In-Home Interview H4TO4 6,773 8,928 5 15 17 19 31 17.3787095821644 3.51647061021874
Add Health
Wave I Wave III Wave IV
Wave I In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview
Wave I In-Home Interview Data Wave III In-Home Interview Wave IV In-Home Interview
H1TO4 H3TO5 H4TO4
under one year 0
one year old 1
two to five years old 5
six years old 6
seven years old 7
eight years old 8
nine years old 9
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