National Longitudinal Study of Adolescent to Adult Health, Public Use Pregnancy Data, Wave III

Data Archive > U.S. Surveys > General Population > National > Add Health Surveys > Codebook


All frequencies are raw numbers (no weights used).
1) [Section 18: Compiling a Table of Pregnancies] Respondent identification number (AID)
NMeanStd.Deviation
TOTAL234894128444.3186667109
2) Romantic relationship number (RRELNO)
TOTAL%
1) 126153.7
2) 43418.5
3) 24310.3
4) 1275.4
5) 833.5
6) 622.6
7) 542.3
8) 200.9
9) 120.5
10) 90.4
11) 60.3
12) 100.4
13) 50.2
14) 70.3
15) 60.3
16) 20.1
17) 20.1
18) 10.0
19) 30.1
23) 10.0
TOTAL2348100.0
3) Relationship pregnancy number (RPREGNO)
TOTAL%
1) 173373.8
2) 45319.3
3) 1164.9
4) 271.1
5) 90.4
6) 50.2
7) 40.2
8) 10.0
TOTAL2348100.0
4) Next, please indicate the outcome of this pregnancy by selecting the appropriate response. If the pregnancy involved more than one baby, and all had the same outcome, indicate that outcome -- for example, a pregnancy involving twins who were both live births should be coded as live birth. (H3TP1)
TOTAL%
1) Miscarriage33814.5
2) Abortion38716.5
3) Single, stillbirth602.6
4) Live birth130855.9
5) Pregnancy not yet ended1807.7
6) Multiple, no live birth120.5
7) Multiple, involving both a live birth and another outcome542.3
Missing9 
TOTAL2339100.0
5) Please indicate the month (and year) in which this pregnancy ended or is expected to end -- the due date. If you are not sure of an ending date, enter your best guess. (H3TP2M)
TOTAL%
1) January2179.3
2) February1837.8
3) March2098.9
4) April1988.5
5) May1998.5
6) June2309.8
7) July1747.4
8) August1958.3
9) September1988.5
10) October1918.2
11) November1747.4
12) December1697.2
Missing11 
TOTAL2337100.0
6) Please indicate the (month and) year in which this pregnancy ended or is expected to end -- the due date. If you are not sure of an ending date, enter your best guess. (H3TP2Y)
TOTAL%
1977) 20.1
1978) 10.0
1980) 10.0
1990) 30.1
1991) 20.1
1992) 30.1
1993) 170.7
1994) 391.7
1995) 1275.5
1996) 1657.1
1997) 2279.8
1998) 28712.3
1999) 39316.9
2000) 42418.2
2001) 46019.8
2002) 1767.6
Missing21 
TOTAL2327100.0
7) Please indicate how many babies were born alive. For example, for twins who were both born alive enter 2, for twins of whom only one was born alive enter 1, for triplets who were all born alive enter 3, for a single birth enter 1. (H3TP3)
TOTAL%
1) One live birth128155.3
2) Two live births391.7
3) Three live births100.4
97) Legitimate skip98642.6
Missing32 
TOTAL2316100.0