S33Q45 MENSTR-AGE FIRST PERIOD-W3

Variable Description

Name

H3DA45

Label

S33Q45 MENSTR-AGE FIRST PERIOD-W3

Dataset

wave3

H3DA45

Summary Statistics for 'H3DA45'

Value	Valid	Label	Frequency	% of Valid	% of All
97	Missing	legitimate skip	7,167		47.16%
12	Valid	twelve years old	2,247	28.37%	14.79%
13	Valid	thirteen years old	1,981	25.01%	13.04%
11	Valid	eleven years old	1,090	13.76%	7.17%
14	Valid	fourteen years old	974	12.30%	6.41%
15	Valid	fifteen years old	487	6.15%	3.20%
10	Valid	ten years old	419	5.29%	2.76%
16	Valid	sixteen years old	265	3.35%	1.74%
9	Valid	nine years old	234	2.95%	1.54%
98	Missing	don't know	78		0.51%
17	Valid	seventeen years old	71	0.90%	0.47%
8	Valid	eight years old	31	0.39%	0.20%
18	Valid	eighteen years old	30	0.38%	0.20%
96	Missing	refused	18		0.12%
20	Valid	twenty years old	16	0.20%	0.11%
21	Valid	twenty one years old	14	0.18%	0.09%
22	Valid	twenty two years old	14	0.18%	0.09%
19	Valid	nineteen years old	12	0.15%	0.08%
.	Missing	missing	10		0.07%
23	Valid	twenty three years old	10	0.13%	0.07%
7	Valid	seven years or younger	9	0.11%	0.06%
25	Valid	twenty five years old	8	0.10%	0.05%
24	Valid	twenty four years old	6	0.08%	0.04%
26	Valid	twenty six years old	3	0.04%	0.02%
99	Missing	not applicable	3		0.02%

Total Responses	Valid	Invalid	Min	Max
15197	7921	7276	7	26

Representation

Representation Type

Code List

Selection Style

SelectOne

Measurement Unit

numeric

Codes

seven years or younger, eight years old, nine years old

Measurement Unit

numeric

Aggregation Method

Unspecified

Temporal

False

Geographic

False

Represented Variable

How old were you when you had your very first menstrual period?

Missing Values

refused, legitimate skip, don't know

Source Questions

H3DA45

Lineage

Wave III In-Home Interview - H3DA45

S33Q45 MENSTR-AGE FIRST PERIOD-W3
- H3DA45
  
  45. How old were you when you got your period for the first time?

	Add Health
	Wave I	Wave II	Wave III
	Wave I In-Home Interview	Wave II In-Home Interview	Wave III In-Home Interview
	Wave I In-Home Interview Data	Wave II In-Home Interview	Wave III In-Home Interview
	H1FP4	H2FP4	H3DA45
seven years or younger			0.11%
seven years old and younger	0.16%
7 years old and younger		0.01%
eight years old	0.40%		0.39%
8 years old		0.38%
nine years old	3.04%		2.95%
9 years old		2.89%
ten years old	7.07%		5.29%
10 years old		6.22%
eleven years old	19.84%		13.76%
11 years old		19.15%
twelve years old	32.33%		28.37%
12 years old		31.58%
thirteen years old	24.59%		25.01%
13 years old		25.50%
fourteen years old	9.03%		12.30%
14 years old		10.35%
fifteen years old	2.76%		6.15%
15 years old		2.96%
sixteen years old	0.67%		3.35%
16 years old		0.69%
seventeen years old			0.90%
seventeen years old and older	0.10%
17 years old and older		0.10%
eighteen years old			0.38%
nineteen years old			0.15%
twenty years old			0.20%
twenty one years old			0.18%
twenty two years old			0.18%
twenty three years old			0.13%
twenty four years old			0.08%
twenty five years old			0.10%
twenty six years old			0.04%

	Add Health
	Wave I	Wave II	Wave III
	Wave I In-Home Interview	Wave II In-Home Interview	Wave III In-Home Interview
	Wave I In-Home Interview Data	Wave II In-Home Interview	Wave III In-Home Interview
	H1FP4	H2FP4	H3DA45
seven years or younger			0.06%
seven years old and younger	0.07%
7 years old and younger		0.01%
eight years old	0.18%		0.20%
8 years old		0.18%
nine years old	1.38%		1.54%
9 years old		1.36%
ten years old	3.20%		2.76%
10 years old		2.92%
eleven years old	8.99%		7.17%
11 years old		9.00%
twelve years old	14.64%		14.79%
12 years old		14.84%
thirteen years old	11.14%		13.04%
13 years old		11.98%
fourteen years old	4.09%		6.41%
14 years old		4.86%
fifteen years old	1.25%		3.20%
15 years old		1.39%
sixteen years old	0.30%		1.74%
16 years old		0.33%
seventeen years old			0.47%
seventeen years old and older	0.04%
17 years old and older		0.05%
eighteen years old			0.20%
nineteen years old			0.08%
twenty years old			0.11%
twenty one years old			0.09%
twenty two years old			0.09%
twenty three years old			0.07%
twenty four years old			0.04%
twenty five years old			0.05%
twenty six years old			0.02%

Dataset	Variable	Valid	Invalid	Min	Max
Wave I In-Home Interview Data	H1FP4	9,393	11,352	7	17
Wave II In-Home Interview	H2FP4	6,926	7,812	0	17
Wave III In-Home Interview	H3DA45	7,921	7,276	7	26

	Add Health
	Wave I	Wave II	Wave III
	Wave I In-Home Interview	Wave II In-Home Interview	Wave III In-Home Interview
	Wave I In-Home Interview Data	Wave II In-Home Interview	Wave III In-Home Interview
	H1FP4	H2FP4	H3DA45
seven years or younger			7
seven years old and younger	7
7 years old and younger		7
eight years old	8		8
8 years old		8
nine years old	9		9
9 years old		9
ten years old	10		10
10 years old		10
eleven years old	11		11
11 years old		11
twelve years old	12		12
12 years old		12
thirteen years old	13		13
13 years old		13
fourteen years old	14		14
14 years old		14
fifteen years old	15		15
15 years old		15
sixteen years old	16		16
16 years old		16
seventeen years old			17
seventeen years old and older	17
17 years old and older		17
eighteen years old			18
nineteen years old			19
twenty years old			20
twenty one years old			21
twenty two years old			22
twenty three years old			23
twenty four years old			24
twenty five years old			25
twenty six years old			26

447 - How old were you when you had your very first menstrual period?

Appears Within

Information

History

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S33Q45 MENSTR-AGE FIRST PERIOD-W3

Variable Description

Summary Statistics for 'H3DA45'

Representation

Source Questions

Lineage

Concordance