Variable Description

Name
H1GI1M
Label
S1Q1 BIRTH MONTH-W1
Description

Birth dates were recoded to ensure that the number of respondents in each category was 10 or more. Therefore, birth dates were collapsed into the following categories: 3/74 = 4/74 and earlier, 7/74 = 5/74-8/74, 11/74 = 9/74-12/74, 2/75 = 1/75-2/75, 4/75 = 3/75-4/75, 6/75 = 5/75-6/75, 6/83 = 5/83-7/83, 10/83 = 8/83 and later. Birth dates between 7/75-4/83 required no adjustment.

Dataset

Summary Statistics for 'H1GI1M'

Value Valid Label Frequency % of Valid % of All
1 Valid January 1,683
8.12%
8.11%
2 Valid February 1,589
7.67%
7.66%
3 Valid March 1,665
8.03%
8.03%
4 Valid April 1,727
8.33%
8.32%
5 Valid May 1,676
8.09%
8.08%
6 Valid June 1,724
8.32%
8.31%
7 Valid July 1,833
8.84%
8.84%
8 Valid August 1,793
8.65%
8.64%
9 Valid September 1,779
8.58%
8.58%
10 Valid October 1,820
8.78%
8.77%
11 Valid November 1,726
8.33%
8.32%
12 Valid December 1,713
8.26%
8.26%
96 Missing refused 17
0.08%
Total Responses Valid Invalid Min Max
20745 20728 17 1 12

Representation

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

Source Questions

H1GI1M

Lineage

  • Wave I In-Home Interview Data - H1GI1M
    S1Q1 BIRTH MONTH-W1
    • 1M. What is your birth date (Month)?

Concordance

Add Health
Wave I Wave II Wave III Wave IV Wave V
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
H1GI1M H2GI1M H3OD1M H4OD1M H5OD1M
January
8.12%
7.97%
8.13%
8.16%
8.30%
February
7.67%
7.61%
7.65%
7.52%
7.53%
March
8.03%
7.99%
7.98%
7.95%
8.03%
April
8.33%
8.20%
8.34%
8.36%
8.39%
May
8.09%
8.03%
7.96%
7.95%
8.11%
June
8.32%
8.59%
8.36%
8.39%
8.47%
July
8.84%
8.99%
8.80%
8.84%
8.83%
August
8.65%
8.59%
8.50%
8.66%
8.48%
September
8.58%
8.65%
8.73%
8.71%
8.40%
October
8.78%
8.75%
8.91%
8.67%
8.92%
November
8.33%
8.24%
8.18%
8.46%
8.13%
December
8.26%
8.39%
8.47%
8.32%
8.39%
Add Health
Wave I Wave II Wave III Wave IV Wave V
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
H1GI1M H2GI1M H3OD1M H4OD1M H5OD1M
January
8.11%
7.97%
8.13%
8.16%
8.30%
February
7.66%
7.61%
7.65%
7.52%
7.53%
March
8.03%
7.99%
7.98%
7.95%
8.02%
April
8.32%
8.20%
8.34%
8.36%
8.39%
May
8.08%
8.03%
7.96%
7.95%
8.11%
June
8.31%
8.59%
8.36%
8.39%
8.46%
July
8.84%
8.99%
8.80%
8.84%
8.82%
August
8.64%
8.59%
8.50%
8.66%
8.48%
September
8.58%
8.65%
8.73%
8.71%
8.40%
October
8.77%
8.75%
8.91%
8.67%
8.92%
November
8.32%
8.24%
8.18%
8.46%
8.13%
December
8.26%
8.39%
8.47%
8.32%
8.39%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave I In-Home Interview Data H1GI1M 20,728 17 1 12
Wave II In-Home Interview H2GI1M 14,737 1 1 12
Wave III In-Home Interview H3OD1M 15,197 0 1 12
Wave IV In-Home Interview H4OD1M 15,701 0 1 12
Wave V Mixed-Mode Survey H5OD1M 12,294 6 1 12
Add Health
Wave I Wave II Wave III Wave IV Wave V
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
H1GI1M H2GI1M H3OD1M H4OD1M H5OD1M
January 1 1 1 1 1
February 2 2 2 2 2
March 3 3 3 3 3
April 4 4 4 4 4
May 5 5 5 5 5
June 6 6 6 6 6
July 7 7 7 7 7
August 8 8 8 8 8
September 9 9 9 9 9
October 10 10 10 10 10
November 11 11 11 11 11
December 12 12 12 12 12