National Longitudinal Study of Adolescent to Adult Health, Public Use Live Births Data, Wave IV

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


All frequencies are raw numbers (no weights used).
1) [Wave IV Section 19: Live Births] Respondent Identifier (AID)
NMeanStd.Deviation
TOTAL482894055032.8276762145
2) This section is administered to respondents who report live births in Section 18. H4LB1-H4LB9 are asked about each of the live births reported in Section 18. The data structure for this section consists of pregnancy records where Section 18 Q.1 (H4PG1)=5 or 6. Partner Identifier. (PTNR_ID)
TOTAL%
1) 361474.9
2) 80316.6
3) 2465.1
4) 891.8
5) 410.8
6) 170.4
7) 50.1
8) 80.2
9) 30.1
10) 10.0
11) 10.0
TOTAL4828100.0
3) Pregnancy Number within Relationship (PRGNO)
TOTAL%
1) 293860.9
2) 127826.5
3) 4359.0
4) 1292.7
5) 330.7
6) 120.2
7) 20.0
12) 10.0
TOTAL4828100.0
4) Live Birth Number per Pregnancy (LBNO)
TOTAL%
1) 462295.7
2) 1603.3
3) 330.7
4) 110.2
5) 20.0
TOTAL4828100.0
5) [If the baby's birth date can be computed from Section 18 Q.3M (H4PG3M) and Section 18 Q.3Y (H4PG3Y) ask H4LB1, else ask H4LB2Y.] The next questions are about the births you reported in Section 18. Is (baby name) birth date correct? (H4LB1)
TOTAL%
0) No2254.7
1) Yes452393.7
6) Refused200.4
7) Legitimate skip511.1
8) Don't know90.2
TOTAL4828100.0
6) [If H4LB1=0 ask H4LB2Y, else skip to H4LB3.] What is (baby name) birth date? -- Year (H4LB2Y)
TOTAL%
1992) 199210.0
1993) 199320.0
1994) 199410.0
1995) 199550.1
1996) 1996100.2
1997) 199790.2
1998) 1998110.2
1999) 1999180.4
2000) 2000240.5
2001) 2001160.3
2002) 2002220.5
2003) 2003260.5
2004) 2004230.5
2005) 2005270.6
2006) 2006210.4
2007) 2007200.4
2008) 200870.1
9996) Refused110.2
9997) Legitimate skip455294.3
9998) Don't know220.5
TOTAL4828100.0
7) Was (baby name) a boy or a girl? (H4LB3)
TOTAL%
1) Boy240749.9
2) Girl236148.9
6) Refused310.6
8) Don't know290.6
TOTAL4828100.0
8) Did (baby name) eventually go home with you? (H4LB4)
TOTAL%
0) No2014.2
1) Yes456794.6
6) Refused300.6
8) Don't know300.6
TOTAL4828100.0
9) [If H4LB4=0 ask H4LB5, else skip to H4LB6P.] Why not? (H4LB5)
TOTAL%
1) Put up for adoption140.3
2) Died in the hospital320.7
3) Went to live with (initials)881.8
4) Went to live with another relative80.2
5) Still in the hospital340.7
6) Other250.5
97) Legitimate skip462795.8
TOTAL4828100.0
10) How much did (fill he/she/baby's name) weigh at birth (pounds)? (H4LB6P)
TOTAL%
0) 050.1
1) 1270.6
2) 2300.6
3) 3601.2
4) 41262.6
5) 53978.2
6) 6114423.7
7) 7147530.6
8) 885017.6
9) 92625.4
10) 10501.0
11) 1160.1
12) 1240.1
13) 13 or more pounds30.1
96) Refused430.9
98) Don't know3467.2
TOTAL4828100.0
11) How much did (fill he/she/baby's name) weigh at birth (ounces)? (H4LB6O)
TOTAL%
0) 03888.0
1) 12094.3
2) 22374.9
3) 32405.0
4) 42475.1
5) 52525.2
6) 63827.9
7) 73326.9
8) 84108.5
9) 93206.6
10) 102465.1
11) 112926.0
12) 122926.0
13) 132084.3
14) 142254.7
15) 151593.3
96) Refused430.9
98) Don't know3467.2
TOTAL4828100.0
12) [If H4LB6P=96, 98] Did (baby name) weigh less than (5.5 pounds [i.e., less than five pounds, eight ounces]) at birth? (H4LB7)
TOTAL%
0) No2705.6
1) Yes4469.2
6) Refused330.7
7) Legitimate skip399082.7
8) Don't know861.8
Missing3 
TOTAL4825100.0
13) Was (baby name) born before or after (his/her/the) due date? (H4LB8)
TOTAL%
1) Before due date240649.8
2) After due date112423.3
3) On due date115623.9
6) Refused330.7
8) Don't know1092.3
TOTAL4828100.0
14) [If H4LB8=1,2 ask H4LB9W, else skip to checkpoint for H4LB10.] How many weeks or days (before/after) the due date was (baby name) born (weeks)? (H4LB9W)
TOTAL%
0) 0114023.6
1) 185917.8
2) 272815.1
3) 32495.2
4) 41763.6
5) 5651.3
6) 6461.0
7) 7350.7
8) 8511.1
9) 980.2
10) 1080.2
11) 1130.1
12) 12200.4
13) 1340.1
14) 1460.1
15) 1530.1
16) 1670.1
17) 1730.1
18) 1820.0
19) 1940.1
20) 2090.2
96) Refused50.1
97) Legitimate skip129826.9
98) Don't know992.1
TOTAL4828100.0
15) How many weeks or days (before/after) the due date was (baby's first name) born (days)? (H4LB9D)
TOTAL%
0) 0175536.4
1) 12515.2
2) 23346.9
3) 33086.4
4) 42314.8
5) 52124.4
6) 61122.3
7) 7611.3
8) 8230.5
9) 9250.5
10) 10450.9
11) 11140.3
12) 12140.3
13) 1340.1
14) 14170.4
15) 1520.0
16) 1610.0
17) 1710.0
18) 1810.0
19) 1910.0
20) 2020.0
21) 2120.0
24) 2410.0
30) 3050.1
32) 3230.1
48) 4810.0
996) Refused50.1
997) Legitimate skip129826.9
998) Don't know992.1
TOTAL4828100.0
16) [If H4LB5=2, skip to H4LB11Y, else ask H4LB10.] Is (baby name) still living? (H4LB10)
TOTAL%
0) No400.8
1) Yes469297.2
6) Refused310.6
7) Legitimate skip320.7
8) Don't know330.7
TOTAL4828100.0
17) [If H4LB10=0 ask H4LB11Y, else skip to Section 20a Q.1 (H4KK1).] In what month and year did (baby name) die (year)? (H4LB11Y)
TOTAL%
1995) 1994-199640.1
1997) 199730.1
1998) 199830.1
1999) 199930.1
2000) 200050.1
2001) 200150.1
2002) 200220.0
2003) 200370.1
2004) 200490.2
2005) 2005130.3
2007) 2006-2008110.2
9996) Refused30.1
9997) Legitimate skip475698.5
9998) Don't know30.1
Missing1 
TOTAL4827100.0