How old were you when you smoked a whole cigarette for the first time?

Name

H1TO2

Label

Conceptual Variable

Representation Type

Code List

Selection Style

SelectOne

Measurement Unit

numeric

Codes

	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
	H1TO2	H3TO3	H4TO2
never smoked a whole cigarette	24.34%
one year old	0.26%
two years old	0.13%
three to four years old	0.11%
five years old	0.47%
six years old	0.54%
seven years old	1.07%
eight years old	1.51%
nine years old	2.47%
ten years old	4.54%
eleven years old	5.44%
twelve years old	12.28%
thirteen years old	13.44%
fourteen years old	12.63%
fifteen years old	9.43%
sixteen years old	6.96%
seventeen years old	3.37%
eighteen years old	0.93%
nineteen years old	0.07%
twenty years old	0.02%

	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
	H1TO2	H3TO3	H4TO2
never smoked a whole cigarette	13.56%
one year old	0.14%
two years old	0.07%
three to four years old	0.06%
five years old	0.26%
six years old	0.30%
seven years old	0.60%
eight years old	0.84%
nine years old	1.37%
ten years old	2.53%
eleven years old	3.03%
twelve years old	6.84%
thirteen years old	7.49%
fourteen years old	7.03%
fifteen years old	5.25%
sixteen years old	3.88%
seventeen years old	1.88%
eighteen years old	0.52%
nineteen years old	0.04%
twenty years old	0.01%

Dataset	Variable	Valid	Invalid	Min	First Quartile	Median	Third Quartile	Max	Mean	StdDev
Wave I In-Home Interview Data	H1TO2	11,553	9,192	0				20
Wave III In-Home Interview	H3TO3	8,780	6,417	5	14	16	18	25	15.5447608200456	2.81383918638239
Wave IV In-Home Interview	H4TO2	9,919	5,782	5	14	16	18	31	15.9307389857849	3.61991614127402

	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
	H1TO2	H3TO3	H4TO2
never smoked a whole cigarette	0
one year old	1
two years old	2
three to four years old	4
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 old	18
nineteen years old	19
twenty years old	20