S18Q13 WEEKS PREG 1ST PRENATAL VISIT-W4

Variable Description

Name
H4PG13
Label
S18Q13 WEEKS PREG 1ST PRENATAL VISIT-W4
Dataset
sect18

Summary Statistics for 'H4PG13'

Value Valid Label Frequency % of Valid % of All
. Missing missing 10
0.05%
96 Missing refused 16
0.07%
97 Missing legitimate skip 12,905
58.75%
98 Missing don't know 150
0.68%
Total Responses Valid Invalid Min Max Mean StdDev Variance Skewness Kurtosis
21966 8885 13081 1 45 7.87056837366347 6.32695001137105 40.0302964463882 3.03453417618555 11.2207467006737

Representation

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

Source Questions

H4PG13

Lineage

  • Wave IV Section 18: Pregnancy Table - H4PG13
    S18Q13 WEEKS PREG 1ST PRENATAL VISIT-W4
    • H4PG13
      13. How many weeks pregnant were you at the time of your first prenatal care visit?

Concordance

Add Health
Wave III Wave IV
Wave III In-Home Interview Wave IV In-Home Interview
Wave III Section 22: Completed Pregnancies Wave IV Section 18: Pregnancy Table
H3PG13 H4PG13
before the first month*
1.01%
first month
36.35%
second month
28.27%
third month
17.45%
fourth month
6.65%
fifth month
3.87%
sixth month
2.69%
seventh month
1.40%
eighth month
0.79%
ninth month
1.51%
Add Health
Wave III Wave IV
Wave III In-Home Interview Wave IV In-Home Interview
Wave III Section 22: Completed Pregnancies Wave IV Section 18: Pregnancy Table
H3PG13 H4PG13
before the first month*
0.53%
first month
18.90%
second month
14.70%
third month
9.07%
fourth month
3.46%
fifth month
2.01%
sixth month
1.40%
seventh month
0.73%
eighth month
0.41%
ninth month
0.79%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave III Section 22: Completed Pregnancies H3PG13 3,565 3,292 0 9
Wave IV Section 18: Pregnancy Table H4PG13 8,885 13,081 1 8 97 97 45 7.87056837366347 6.32695001137105
Add Health
Wave III Wave IV
Wave III In-Home Interview Wave IV In-Home Interview
Wave III Section 22: Completed Pregnancies Wave IV Section 18: Pregnancy Table
H3PG13 H4PG13
before the first month* 0
first month 1
second month 2
third month 3
fourth month 4
fifth month 5
sixth month 6
seventh month 7
eighth month 8
ninth month 9