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ADDENDUM
COMMONLY USED DATA SOURCES
This addendum contains descriptions of commonly used sources.
These are listed below along with their acronyms.
NSFG
NLS
CPS
AGI
NCHS
CDC
1. National Survey of Family Growth
National Longitudinal Surveys of
Labor Market Experience of Youth;
Young Women, Young Men, Mature
Women and Mature Men
3.
National Vital Statistics
4. Current Population Surveys; and
Fertility Supplements
5. National Survey of Young Women
(and Young Men); Kantner-Zelnick
Data.
6. Alan Guttmacher Institute
7. National Center for Health
Statistics--collects the
vital statistics on births
8. Center for Disease Control
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TITLE
PURPOSE
The National Survey of Family Growth (NSFG)
The National Survey of Family Growth is a primary
source of data on U.S. fertility patterns, infertility,
reproductive health, contraception, and fertility in-
tentions. In addition, the Survey obtains information
relevant to child development on such topics as unwanted
childbearing, adoption, adolescent pregnancy and unwed
motherhood, prenatal care, post-natal care, and infant
health. These topics may be examined in relation to in-
formation obtained on a variety of social, economic, and
family characteristics. In addition, because the NSFG
represents the continuation of a line of fertility sur-
veys extending back to 1955, it is possible to use the
data to continue a set of time-series statistics on
family building, contraceptive use, and reproductive
health that has covered a period of dramatic change in
U.S. family patterns. Data from these surveys have
also been used for several studies of changes in family
composition. Data are used by health care providers
and researchers, demographers and other social scien-
tists, and by policy makers at both the federal and
local level.
SPONSORSHIP The survey is sponsored by the National Center for
Health Statistics, Division of Vital Statistics, Family
Growth Survey Branch. Funding has been provided by the
Office of Family Planning Services in the (then) Bureau
of Community Health Services, the Center for Population
Research, NICHD, the Office of Adolescent Programs, as
well as NCHS.
DESI GN
Women aged 15 to 44 of all marital statuses are inter-
viewed in the nationally representative NSFG. The area
probability sample of approximately 8,000 women in 1982
included an over-sample of 1,900 teenagers. Parental
consent is obtained for all minors who are interviewed.
Separate questionnaires are designed for women under
age 25 and 25 and older. The 1982 interview--Cycle III
of the NSFG--was the f irst to include all women in the
childbearing years regardless of their marital status.
Blacks were over-sampled to enable separate analyses of
blacks.
A change in f fieldwork is planned for the 1986 Survey.
To reduce costs, the sample will be selected on the
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basis of screening questions included in the large and
nationally representative Health Interview Survey.
PERIODICITY The NSFG provides data that continue a statistical time-
series on American fertility patterns that was initiated
during the early years of the "baby boom". The Growth
of American Families surveys took place in 1955 and 1960
and were continued by the National Fertility Studies of
1965 and 1970. Cycles I, II, and III of the NSFG were
fielded in 1973, 1976, and 1982 respectively. Cycle IV
is scheduled for 1987.
CONTENT
Detailed data are collected on fertility events, on in-
fertility and contraceptive use, on childbearing plans,
adoption, and sex education, on reproductive and infant
health, pre-natal and post-natal care, and family com-
position. Considerable background information is also
collected on the women and their families.
LIMITATIONS Since the focus of the Survey is on fertility the range
of information on females under 15 and males 15-19 is
limited. Under-reporting of abortion occurs in this,
as in other household surveys. Since this is a survey
of women, children living only with fathers are not
represented.
Surveys prior to 1982 do not include teens who were not
married or their mothers. This restricts~trend analyses
that can be done.
AVAILABILITY Public use data tapes are available for the entire
series of national surveys from the National Technical
Information Service.
Contact: Dr. William Pratt,
Chief, Survey of Family Growth Branch
National Center for Health Statistics
3700 East-West Highway
Hyattsville, MD 20782
301-436-8731
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TITLE
PURPOSE
National Longitudinal Survey of the Labor Market
Exper fence of Youth
In 1977, it was decided to both continue the existing
panels of the National Long itudinal Survey and to expand
data collection by initiating a new National Longitu-
dinal Survey of Youth. Data f ram the new survey would
replicate much of the information obtained on young
people in the earlier cohorts and would thus support
stud ies of changes in the labor market exper fence of
youth. In add it ion ~ the new data on youth would permit
evaluation of the expanded employment and training pro-
grams for youth established by the 1977 amendments to
the Comprehensive Employment and Training Act (CETA).
The supplementary sample of 1, 300 persons serving in
the Armed Forces permit a study of the recruitment and
service exper fences of youth in the military. The r ich-
ness of the data has also attracted researchers studying
fertility issues, educational progress, marriage and
divorce, income family structure ~
SPONSORSHIP The Department of Labor initiated the National Long itu-
dinal Surveys and has provided much of the funding over
the years. However, other agencies including the
National Institute of Ch lid Health and Human Develop
meet, the National Institute on Drug Abuse, the National
Inst itute on Alcohol and Alcohol Abuse, and the Depart-
ment of Defense have sponsored portions of the survey.
Data are collected by the National Opinion Research
Cente r .
DESIGN
The Youth sample is comprised of a nationally-represen-
tative probability sample of 5, 700 young women and an
equal number of young men 14-21, as of January 1, 1979,
augmented by a sample of 1, 300 young persons serving in
the Armed Forces. Blacks, Hispanics, and disadvantaged
whites were all over-sampled to facilitate analysis of
youth in these population groups. Individuals were con-
sidered to be in the population if they resided within
the 50 states and were not institutionalized, or if they
were on active military duty outside the United States.
Non-military respondents were selected using a multi-
stage, stratif fed area probability sample of dwelling
units and group quarter units. A screening interview
was administered at approximately 75, 000 dwellings and
group quarters in 202 primary sampling unites. Military
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respondents were sampled f rom rosters provided by the
Department of Defense O A total of 12, 686 persons were
interviewed. As of the completion of the f if th ( 1984)
interview wave, 96 percent of those interviewed in 1979
were still being i nterviewed.
PERIODICITY Interviews have been conducted annually since 19 79 .
Interviews are currently planned to continue at least
through 1985.
CONTENT The National Longitudinal Surveys were designed pri-
marily to analyze sources of var iation in the labor
market behavior and experience of Americans. Conse-
quently, the content of the surveys is weighted toward
labor force training and experience. However a great
deal of information is also collected regarding formal
education, marriage and fertility events, income and
assets, family background, attitudes, aspirations, and
expectations. Questions on drug and alcohol use are
included, as well, along with information on family
planning, child care, and maternal and child health
care .
LIMITATIONS There is under reporting of abortion, pregnancies and
births.
AVAILABILITY Public use tapes and tape documentation as well as a
list of publications are available from the Center for
Human Resource Research, 5701 North High Street,
Worthington, Ohio 43085.
Contact: Frank Mott with questions regarding data on
fe rt il ity and maternal and child health (612)
42 2-7 33 7. Information i s also available f rom
Pat Rhoton or Dennis Grey or Ken Wolpin,
Principal Investigator for the NLS, (614)
422-7337
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TITLE
PURPOSE
National Longitudinal Surveys of the Labor Market
Experience of: Young Women, Young Men, Mature Women,
and Mature Men
This series of longitudinal surveys was initiated to ex-
plore the labor market experiences over time of several
unique cohorts facing employment problems of particular
concern to policy makers. The school-to-work transi-
tion, initial occupational choice, adaptation to the
work of work, the work-family interface and attainment
of stable employment are issues of concern for the
cohorts of young men, aged 14-24 in 1966 and young
women, aged 14-24 in 1968. For middle aged men, aged
45-59 in 1966, issues of declining health, unemployment,
the obsolescence of skills, and age discrimination are
of concern. Among women 30-44 in 1967, the key issue
initially was labor force re-entry for women as their
children became older. Subsequently, issues associated
with women's retirement became important. Following
these cohorts over time enables analysts both to de-
scribe the situations of different population groups
and to understand the factors that are antecedents and
consequences of situations ranging from education and
employment, to marriage and family, to economic status.
SPONSORSHIP These four longitudinal surveys were initiated by the
Off ice of Manpower Policy Evaluation, and Research of
the Department of Labor. The Center for Human Research
of Ohio State University has developed the question-
naires and makes computer tapes and a wide range of
documentation available. Field work is conducted by
the U.S. Bureau of the Census.
DESIGN
Each of the four age-sex cohorts is represented by a
multi-stage probability sample. To provide samples of
blacks that would produce statistically reliable sta-
tistics, households in enumeration districts that were
primarily black were sampled at a rate between three
and four times that of other households. From over
35,000 inhabited housing units, a sample of 5050 men
45-59 was interviewed. A sample of 5225 males 14-24,
excluding males on active military service was inter-
viewed. Five thousand eight-three women, 30-44, and
5,159 young women 14-24 were also interviewed. The
total number of households represented in the four NLS
samples is 13,582; thus the sample includes a number of
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families that have contributed more than one respondent.
Initially, most interviews were conducted in person;
however the majority of the interviews conducted in
person; however the majority of the interviews conducted
during the 1970s were done on the telephone. Data have
been weighted to adjust for over-sam- pling and for
sample attrition; when weighted, the data are nationally
representative. As of the 15-year interview points,
approximately 56 percent of the males originally 45-59,
65 percent of the younger men, and about 70 percent of
the two women's cohorts interviewed initially were still
being interviewed.
PERIODICITY Young women were interviewed annually between 1968 and
1973, in 1975, 1977, 1978, 1980, 1982, 1983 and 1985.
Further interviews are planned for 1987 and 1988.
Women were interviewed annually between 1967-69, in
1971-1972, 1974, 1976, 1977, 1979, 1981, 1982, and
1984. Interviews are tentatively planned for 1986 and
1987.
Young men were interviewed annually between 1966 and
1971, in 1975, 1976, 1978, 1980, and 1983. Further
interviews have been cancelledO
Men were interviewed annually between 1966 and 1969, in
1971, 1973, 1975, 1976, 1978, 1980, 1981, and 1983.
Further interviews have been cancelled.
CONTENT
In keeping with the primary orientation of the surveys
toward labor force issues, numerous questions focus on
employment experience, unemployment, income, and
training. However, quite a bit of information was
collected about the family background and the social
and economic status of the family as well. None of the
respondents were still children after the mid-1970s;
however, a ma jor ity of the young women and young men
had become parents by the 1980s, and some limited in-
formation is available about their children. Consider-
able information, shown below, was collected on the
family situation of the young men and young women
respondents when they were growing up.
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AVAILABILITY Data tapes and complete documentation as well as a
publications list are available from the Center for
Human Resource Research, 5701 North High Street,
Worthington, Ohio 43085.
Contact: Pat Rhoton or the respect ive cohort
coord inator s:
Mature men - G ilbert Nestel
Mature women - Lois Shaw
Young men - Stephen H ills
Young women - Frank Mott, or Pr incipal
Investigator for the NLS - Ken Wolpin ~ 514
888-8238 or (614) 422-7337
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TITLE
PURPOSE
vital Statistics of the United States--Natality
The purpose of the nasality reporting system is to col-
lect and tabulate at the federal level data on births
from the 50 states and the District of Columbia. Demo-
graphic and health information can be analyzed by
researchers and policymakers interested in assessing
the health of infants and pinpointing health problems'
making population projections and estimates, and mea-
suring progress made by national health programs. In
addition, the birth certif icate provides legal proof of
the birth.
SPONSORSHIP The National Center for Health Statistics, vital
Statistics Division, collects and publishes nasality
data.
DESIGN
Data are collected at the local level and forwarded to
the state level. States report the data to the Division
of Vital Statistics. A certif icate for all live births
and for stillbirths is completed by the attending
physician or other health personnel. One hundred per-
cent of the births are reported to NCHS in 42 states
and 50 percent are reported in the remaining areas.
PERIODICITY Data collection is continuous. Monthly and annual
reports are issued.
CONTENT
The certif icate of live birth, which is the source of
vital registration data, contains a limited number of
items. The mother' s marital status is reported for
only 41 states and D.C.; as of 1980 it is inferred for
9 states by compar ing parent and child surnames.
Parent educations is reported for 47 states and D.C.
LIMITATIONS Not all states obtain all information and the range of
data is limited (see above
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AVAILABILITY Data tapes may be purchased f rom the National Technical
Information Service (703) 487-4780.
Contact: Stephanie Ventura, Selma Taffel or Bob
Heuser, Chief (301) 436-8954, Natality
Branch, Division of Vital Statistics,
N at tonal Cente r f or He alth S tat i st ic s, 3 7 0 0
East-West Highway, Hyattsville, Maryland
20792
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TITLE
PURPOSE
Current Population Survey
The primary purpose of The Current Population Survey is
to provide monthly measures of the character istics of
the labor force, labor force participation, employment,
and unemployment in the United States as well as ind i-
vidual states and reg ions. In addition the survey ser-
ves as a vein, cle for a ser ies of supplements, conducted
with vary ing deg rees of regular ity. Recent supplements
have included job tenure and occupational mobility
(January), demog raphic and income supplement (March),
alimony and child support (April), multiple job holding
(May), fertility (June), immunization (September),
school enrollment (Octobe r), and voting and reg istra-
t ion (November) ~ These supplements are not necessar fly
conducted each year. For example, the voting and reg is-
tration supplements are conducted only in elections
year s .
SPONSORSHIP The core survey is funded by the U . S . Department of
Labor, which is responsible for its content. The
Supplements are f unded by a va r iety of sponsor s, such
as the National Institute of Ch lid Health and Human
Development ~ some of the fertility and childcare sup-
plements) and the National Center for Education Sta-
tistics (the education supplements). The data are
collected by the U.S. Bureau of the Census.
DESI ON
The survey is designed to be representative of all per-
sons age 14 or over living in households in the United
States. More specifically it covers the civilian non-
institutional population plus armed forces personnel
living off-base or living on base with their families.
A multi-stage probability sampling method is used in-
volving f irst the selection of geographically def ined
primary sampling units (629 in 1982), next (through
sub-stages) the selection of households within sampling
units (63, 000 households in 1982), and f inally the iden-
tif ication of all persons 14 and over in sample house-
holds. In 1983, interviews, conducted in person, were
obtained in 60, 000 of the 63 ~ 000 households selected.
The sample is designed to cover each of the 50 states
arid the D istr lot of Columbia.
The sample is slowly changed through the use of rotation
groups. Any given rotation group is in the sample for
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4 months, leaves the sample for 8 months, and returns
for a f inal 4 months. In any g iven month the sample is
composed of households ~ rom 8 dif ferent rotas ion g romps.
PERIODICITY The survey was begun in 1940 and has been conducted
monthly s ince then. For the purpose of measuring em-
ployment, that week which contains the 12th of the
month is used as a reference week.
CONTENT In addition to data on employment, unemployment, per-
sonal income, and work-related activities, the core
survey collects data on family income, housing tenure,
household composition, age, sex, education, race/
or ig in, and mar ital statu s.
AVAILABILITY A r ich array of published tabulations are available in
The Current Population Reports, especially Ser ies P-20
(population characteristics), Series P-23 (special
studies), Series P-25 (population estimates and projec-
t ions) and P-6 0 ~ consumer income) .
Machine-readable micro data f lies are available f ram
the Bureau of the Census for most months ~ for infor-
mation about the availability of data for a particular
month, inquiry may be made at Customer Services). Each
f ile contains the data for a particular month. The
f irst year for which f lies are available is 1968.
Files for March are typically available 3-4 months
at ter the survey date . The delay for other months may
be longer.
Contact: Greg Weiland 301/763-2773
Data Users Services Division: Customer
Services 301/763-4100
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TITLE
PU PROSE
Current Population Survey~Fertility Supplements
The ferti lity supplements are designed to provide
national estimates of women' s fertility and expecta-
tions for future bi rths. In addition some supple-
ments ~ 1977, 1982 ~ have provided information about the
child care arrangements used by working mothers for
their youngest child under age 5.
SPONSORSHIP The fertility and birth expectations portions of the
supplement are entirely a pro ject of the U. S . Bureau of
the Census. The child care portions of the 1977 supply
ment was sponsored by the Department of Health and Human
Services and an expanded fertility supplement in 1980
was jointly sponsored by the Bureau and the National
Institute of Chi, d Health and Human Development.
DESI ON
A description of the basic design of the Current Popu-
lation Survey was provided in the wr it~up of the core
survey. The supplemental questions have been asked of
all persons i n sampled households meeting certain el i-
gibility requirements Most recently these criteria
are being an never-mar ried female age 15-59 or a never
mar r fed f emale age 18-59 ~ B ir th expectat i on que st ions
are asked of women 18-440 However, these age criteria
have var fed f rom as low as age 14 to as high as age 75
In the expanded fertility supplement mar ital history
data were gathered on men age 15-75 as well as women.
PERIODICITY The supplement has been conducted each June since 19 71.
A supplement is planned for 1984.
CONTENT
Each supplement collects data on fertility and birth
expectations. In addition the 1971, 1975,, and 1980
supplements provide data on marr iages and child spac ing;
and the 1977 and 1982 supplements, on child care. The
1980 supplement for the f irst time collected data on
the marr iage hinter ies of men as well as of women, and
included questions about men's children under 18 from
precarious marriages and whether any of these children
1 ive elsewhe re ~
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LIMITATIONS The usual supplement is quite brief, only providing
data on total number of births, the birthdate of the
youngest (sometimes also the oldest) child, and the
number of additional children expected. The child care
sections in 1977 and 1982 cover only child care arrange-
ments of working mothers with children under 5, and for
only the youngest of these children. Data are gathered
on the kind of payment (cash or non-cash) but not the
amount. The exclusion of unmarried women under 18 from
any of the supplements means that no data on out-of-
wedlock births to younger teenagers are available from
this source.
Analyses of data from the marriage histories have shown
that such retrospective histories are subject to con-
siderable error, especially with regard to events
several years in the past. The survey's practice of
obtaining information from proxy respondents undoubtedly
compounds this effect. Since most respondents are
women, the data for men are most ser iou sly af fected.
Compar isons with other sources of data also show that
the reports of men's children from previous marriages
1 iv ing elsewhe re ar e too low .
AVAILABILITY Refer to the description of the core surveys Machine-
readable micr~data f iles are available for June f rom
1973. The latest tape currently available containing
data f rom the June supplement is for 1982 .
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TITLE
PURPOSE
The National Surveys of Young Women and Men (Kantner-
Z elnik data)
The Kantner-Zelnik studies have been a primary source
of data on sexual exper fence of U. S . females between
the ages of 15 and 19 during the 1970' s and males age
17 to 21 in ~ 979. In addition, the three surveys (1971,
1976, and 1979) collected information on contraceptive
use,, pregnancies, pregnancy intention, and sex educa-
tion exper fence.
SPONSORSHIP John I. Kantner and Melvin Zelnik have been the prin-
cipal investigators of these surveys. Funding has been
provided by the Center for Population Research, NICHD,
the Ford Foundation, and General Services Foundation.
DESIGN
The designs have differed slightly for the three inter-
views. The 19 71 survey interviewed 15-19 year old
women 1 iving in households in the continental United
States, N=4 611, and by means of a separate sample,
young women living in college dormitories, total N=4611,
and by means of a separate sample, young women living in
college dormitories, total N=219. The 1976 survey sam-
pled 2500 women born between March 1956 and February
1961 (age 15-19) living in households in the continental
United States. The 1979 survey included both young
women and young men living in households in Standard
Metropolitan Statistical Areas (SMSAs) in the continen-
tal United States. Eligible female respondents were
born between March 1959 and February 1964 (ages 15-19),
total N=1,717, and eligible men between March 1957 and
February 1962, total N=917.
PERIODICITY Interviews have been conducted in three different years:
1971, 1976 and 1979. There have been different
respondents in each cohort.
CONTENT
Detailed data are collected on sexual activity, contra-
ceptive use, pregnancy r pregnancy intention, and sex
education experience. Some background information was
also collected.
LIMITATIONS Under reporting of abortions, pregnancies and births.
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TITLE Alan Guttmacher Institute (AGI)
PURPOSE The Alan Guttmacher Institute is a primary source of
data on U.S. abortion services. The AGI has surveyed
all identif fed abort ion providers in each state each
year since 1973.
SPONSORSHIP The Alan Guttmacher Institute, which receives support
f ram a var iety of pr ~ vate foundations.
DESIGN All identif fed abortion providers in each state are
surveyed .
PERIODICITY The survey has covered each year f rom 1973-1982.
CONTENT Data on age, race, mar ital status, education, number of
children, gestation at abortion, number of previous
abortions, and method of abortion are obtained from the
Centers for Disease Control and combined with AGI data
on the total number of abortions to generate national
estimates.
t
Representative terms from entire chapter:
current population
