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Study Title/Investigator
Released/Updated
1.
This special topic poll sought respondents' views on the
presidency and on the issue of female body image. Respondents were
asked for their opinions of President Bill Clinton and his handling
of the presidency, as well as their predictions for the 1996
presidential election. A series of questions addressed the physical
features of women that are most important to men -- specifically, the
importance given to the size and appearance of female breasts was
considered. Other topics covered breast implants and surgical
procedures to alter a woman's appearance. Demographic variables
include age, education, sex, and political party.
2007-07-03
2.
Age and Sex Estimation from the Human Clavicle in the American Population, 1912-1938 and 1986-1998 (ICPSR 25901)
Langley-Shirley, Natalie; Jantz, Richard L.; Mahfouz, Mohamed
Langley-Shirley, Natalie; Jantz, Richard L.; Mahfouz, Mohamed
This study investigated skeletal maturation and gender dimorphism in the human clavicle in the American population. Biological data were collected on two skeletal collections: the William F. McCormick Clavicle Collection and the Hamann-Todd Osteological Collection. Size and shape data were collected from computed tomography (CT) scans of the McCormick clavicles. Several automated measurements were taken on 1,413 McCormick clavicles, including three traditional and six non-traditional measurements (Dataset 1). A total of 593 individuals from the William F. McCormick Clavicle Collection (Dataset 2) and 354 individuals from the Hamann-Todd Osteological Collection (Dataset 3) were scored for medial clavicular epiphyseal fusion using McKern and Stewart's (1957) five-phase rating system.
2014-06-19
3.
Database for Forensic Anthropology in the United States, 1962-1991 (ICPSR 2581)
Jantz, Richard J.; Moore-Jansen, Peer H.
Jantz, Richard J.; Moore-Jansen, Peer H.
This project was undertaken to establish a computerized
skeletal database composed of recent forensic cases to represent the
present ethnic diversity and demographic structure of the United
States population. The intent was to accumulate a forensic skeletal
sample large and diverse enough to reflect different socioeconomic
groups of the general population from different geographical regions
of the country in order to enable researchers to revise the standards
being used for forensic skeletal identification. The database is
composed of eight data files, comprising four categories. The primary
"biographical" or "identification" files (Part 1, Demographic
Data, and Part 2, Geographic and Death Data) comprise the first
category of information and pertain to the positive identification of
each of the 1,514 data records in the database. Information in Part 1
includes sex, ethnic group affiliation, birth date, age at death,
height (living and cadaver), and weight (living and
cadaver). Variables in Part 2 pertain to the nature of the remains,
means and sources of identification, city and state/country born,
occupation, date missing/last seen, date of discovery, date of death,
time since death, cause of death, manner of death, deposit/exposure of
body, area found, city, county, and state/country found, handedness,
and blood type. The Medical History File (Part 3) represents the
second category of information and contains data on the documented
medical history of the individual. Variables in Part 3 include general
comments on medical history as well as comments on congenital
malformations, dental notes, bone lesions, perimortem trauma, and
other comments. The third category consists of an inventory file (Part
4, Skeletal Inventory Data) in which data pertaining to the specific
contents of the database are maintained. This includes the inventory
of skeletal material by element and side (left and right), indicating
the condition of the bone as either partial or complete. The variables
in Part 4 provide a skeletal inventory of the cranium, mandible,
dentition, and postcranium elements and identify the element as
complete, fragmentary, or absent. If absent, four categories record
why it is missing. The last part of the database is composed of three
skeletal data files, covering quantitative observations of age-related
changes in the skeleton (Part 5), cranial measurements (Part 6), and
postcranial measurements (Part 7). Variables in Part 5 provide
assessments of epiphyseal closure and cranial suture closure (left and
right), rib end changes (left and right), Todd Pubic Symphysis,
Suchey-Brooks Pubic Symphysis, McKern & Steward--Phases I, II, and
III, Gilbert & McKern--Phases I, II, and III, auricular surface, and
dorsal pubic pitting (all for left and right). Variables in Part 6
include cranial measurements (length, breadth, height) and mandibular
measurements (height, thickness, diameter, breadth, length, and angle)
of various skeletal elements. Part 7 provides postcranial measurements
(length, diameter, breadth, circumference, and left and right, where
appropriate) of the clavicle, scapula, humerus, radius, ulna, scarum,
innominate, femur, tibia, fibula, and calcaneus. A small file of noted
problems for a few cases is also included (Part 8).
2006-03-30
4.
Descriptors and Measurements of the Height of Runaway Slaves and Indentured Servants in the United States, 1700-1850 (ICPSR 9721)
Komlos, John
Komlos, John
The purpose of this data collection was to provide data on
the height of slaves and indentured servants in the colonial and
antebellum periods of United States history. Data were taken from
newspaper advertisements describing the runaways. Variables include
the state in which the advertisement was published, the year of the
advertisement, the first and last names of the runaway slave or
indentured servant, and his or her race, sex, age, height, place of
birth, legal status (whether he or she was a convict or in jail at
time of advertisement), profession, and knowledge of the English
language.
2006-01-12
5.
Height and Weight of Students of The Citadel, The Military College of South Carolina, 1878-1967 (ICPSR 3391)
Komlos, John; Coclanis, Peter
Komlos, John; Coclanis, Peter
This data collection was designed to ascertain the
nutritional status of students attending The Citadel from 1878 to
1967. These data supply information on cadet's age, year of birth,
height, weight, state and county of birth, and state and county of
residence.
2002-04-19
6.
This data collection was designed to ascertain the physical
stature of children in Austria-Hungary (Habsburg Monarchy) in the
eighteenth and early nineteenth centuries. The data supply information
on the children's age, year of birth, height, and place of provenance.
2006-07-20
7.
This data collection was designed to ascertain the
nutritional status of free African Americans in Maryland during the
early to mid-19th century. These data supply information on the
person's age, sex, year of birth, height, county of birth, county of
residence (where the Certificate of Freedom was granted), complexion,
and whether the person was born free or was manumitted after birth. In
some cases, the county in which the person grew up is also
documented.
2005-11-04
8.
This data collection was designed to ascertain the physical
stature of French soldiers before the French Revolution of 1789. The
data supply information on the soldier's regiment, battalion, archival
source of data (register or signature), father's profession, soldier's
profession prior to enlistment, town and province of soldier's birth,
age, and height.
2006-07-25
9.
Height of Registered Voters in Pittsburgh and Allegheny County, Pennsylvania, c. 1870-1950 (ICPSR 3591)
Wu, Jialu
Wu, Jialu
This data collection was designed to ascertain the physical
stature of Pittsburgh residents in the first half of the twentieth
century. These data supply information on voters' age, year of birth,
height, gender, and race, as well as their party affiliation.
2003-05-23
10.
Height of Runaway Apprentices and Military Deserters in Colonial and Early Republican America, 1726-1825 (ICPSR 2959)
Komlos, John
Komlos, John
The purpose of this data collection is to provide height
data for runaway apprentices and military deserters in colonial and
early Republican America (1726-1825). Data were taken from newspaper
advertisements describing the runaways. Variables include year,
decade, and state in which the ad appeared, year, decade, and place of
birth (Germany, Ireland, or region of the United States) of the
runaway, and runaway's former place of residence. Additional
information concerning the runaways includes first and last name,
race, sex, age, height, and whether the deserter was a member of the
Army or Navy.
2006-01-18
11.
This data collection was designed to ascertain the physical
stature of the male population of Austria-Hungary (Habsburg Monarchy)
from the eighteenth century to the twentieth century. The data supply
information on soldiers' age, year of birth, height, place of
residence, skill level, and urban residence.
2006-07-20
12.
Medicare Health Outcomes Survey (HOS), 1998-2014 (ICPSR 23380)
United States Department of Health and Human Services. Centers for Medicare and Medicaid Services
United States Department of Health and Human Services. Centers for Medicare and Medicaid Services
The Medicare Health Outcomes Survey (HOS) is the first patient reported health outcomes measure for the Medicare population in managed care settings. It is a continuous study that measures the physical and mental health and well-being of Medicare beneficiaries over a two-year period. Starting in 1998, a baseline survey was administered to a new cohort of respondents each year in the spring and a follow-up survey was conducted of those same respondents two years later. Cohorts 1-5 include the Baseline Data, the Follow-Up Data, and the Analytic Data file, which contains the merged Baseline and Follow-Up files along with supplemental variables. Beginning with Cohort 6, the Follow-Up Data were included only in the Analytic file. The HOS consists of the SF-36 Health Survey, which yields physical and mental health summary measures, as well as questions on topics such as chronic medical conditions, activities of daily living (ADLs), depression, smoking, physical health symptoms, weight and height, and additional questions corresponding to HEDIS (Health Care Employer Data and Information Set) measures such as urinary incontinence in older adults, osteoporosis testing in older women, and fall risk management. In 2006, CMS implemented the Medicare HOS 2.0 for Medicare Advantage Organizations (MAOs) which evaluates physical and mental health status using the Veteran RAND 12-Item Health Survey (VR-12). The revised instrument contains questions that gather information for case-mix and risk-adjustment variables, and collects information on respondents' physical functioning, bodily pain, social functioning, mental health, vitality, general health, and how respondents' physical and emotional health affects their lives. The survey includes case-mix adjustment variables which may be used to adjust the survey response data for beneficiary characteristics that are known to be related to systematic biases in the way people respond to survey questions. Demographic information includes respondent's age, gender, race, education level, marital status, annual household income, and geographic region.
2016-05-26
13.
National Health Examination Survey, Cycle I, 1959-1962: Body Measurements (ICPSR 9203)
United States Department of Health and Human Services. National Center for Health Statistics
United States Department of Health and Human Services. National Center for Health Statistics
The National Health Examination Surveys, Cycle I (NHES I),
conducted during the period 1959-1962, were designed to secure
statistics on the health status of the population of the United States.
More specifically, their purpose was to determine the prevalence of
certain chronic diseases, the status of dental health, and the
distributions of auditory and visual acuity and certain anthropometric
measurements. This collection contains data relating to the physical
measurements of each examined person. Eighteen measurements of body
size were taken including right arm girth, chest girth, waist girth,
right arm skinfold, right infrascapular skinfold, height, weight,
sitting normal height, sitting erect height, knee height.
1992-02-17
14.
National Longitudinal Study of Adolescent to Adult Health (Add Health), 1994-2008 [Public Use] (ICPSR 21600)
Harris, Kathleen Mullan; Udry, J. Richard
Harris, Kathleen Mullan; Udry, J. Richard
Downloads of Add Health require submission of the following information, which is shared with the original producer of Add Health: supervisor name, supervisor email, and reason for download. A Data Guide for this study is available as a web page and for download.
The National Longitudinal Study of Adolescent to Adult Health (Add Health), 1994-2008 [Public Use] is a longitudinal study of a nationally representative sample of U.S. adolescents in grades 7 through 12 during the 1994-1995 school year. The Add Health cohort was followed into young adulthood with four in-home interviews, the most recent conducted in 2008 when the sample was aged 24-32. Add Health combines longitudinal survey data on respondents' social, economic, psychological, and physical well-being with contextual data on the family, neighborhood, community, school, friendships, peer groups, and romantic relationships.
Add Health Wave I data collection took place between September 1994 and December 1995, and included both an in-school questionnaire and in-home interview. The in-school questionnaire was administered to more than 90,000 students in grades 7 through 12, and gathered information on social and demographic characteristics of adolescent respondents, education and occupation of parents, household structure, expectations for the future, self-esteem, health status, risk behaviors, friendships, and school-year extracurricular activities. All students listed on a sample school's roster were eligible for selection into the core in-home interview sample. In-home interviews included topics such as health status, health-facility utilization, nutrition, peer networks, decision-making processes, family composition and dynamics, educational aspirations and expectations, employment experience, romantic and sexual partnerships, substance use, and criminal activities. A parent, preferably the resident mother, of each adolescent respondent interviewed in Wave I was also asked to complete an interviewer-assisted questionnaire covering topics such as inheritable health conditions, marriages and marriage-like relationships, neighborhood characteristics, involvement in volunteer, civic, and school activities, health-affecting behaviors, education and employment, household income and economic assistance, parent-adolescent communication and interaction, parent's familiarity with the adolescent's friends and friends' parents.
Add Health data collection recommenced for Wave II from April to August 1996, and included almost 15,000 follow-up in-home interviews with adolescents from Wave I. Interview questions were generally similar to Wave I, but also included questions about sun exposure and more detailed nutrition questions. Respondents were asked to report their height and weight during the course of the interview, and were also weighed and measured by the interviewer.
From August 2001 to April 2002, Wave III data were collected through in-home interviews with 15,170 Wave I respondents (now 18 to 26 years old), as well as interviews with their partners. Respondents were administered survey questions designed to obtain information about family, relationships, sexual experiences, childbearing, and educational histories, labor force involvement, civic participation, religion and spirituality, mental health, health insurance, illness, delinquency and violence, gambling, s,ubstance abuse, and involvement with the criminal justice system. High School Transcript Release Forms were also collected at Wave III, and these data comprise the Education Data component of the Add Health study.
Wave IV in-home interviews were conducted in 2008 and 2009 when the original Wave I respondents were 24 to 32 years old. Longitudinal survey data were collected on the social, economic, psychological, and health circumstances of respondents, as well as longitudinal geographic data. Survey questions were expanded on educational transitions, economic status and financial resources and strains, sleep patterns and sleep quality, eating habits and nutrition, illnesses and medications, physical activities, emotional content and quality of current or most recent romantic/cohabiting/marriage relationships, and maltreatment during childhood by caregivers. Dates and circumstances of key life events occurring in young adulthood were also recorded, including a complete marriage and cohabitation history, full pregnancy and fertility histories from both men and women, an educational history of dates of degrees and school attendance, contact with the criminal justice system, military service, and various employment events, including the date of first and current jobs, with respective information on occupation, industry, wages, hours, and benefits. Finally, physical measurements and biospecimens were also collected at Wave IV, and included anthropometric measures of weight, height and waist circumference, cardiovascular measures such as systolic blood pressure, diastolic blood pressure, and pulse, metabolic measures from dried blood spots assayed for lipids, glucose, and glycosylated hemoglobin (HbA1c), measures of inflammation and immune function, including High sensitivity C-reactive protein (hsCRP) and Epstein-Barr virus (EBV).
2018-08-06
15.
Project on Human Development in Chicago Neighborhoods (PHDCN): Physical Development Scale, Wave 2, 1997-2000 (ICPSR 13645)
Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; Sampson, Robert J.
Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; Sampson, Robert J.
The Project on Human Development in Chicago Neighborhoods
(PHDCN) was a large-scale, interdisciplinary study of how families,
schools, and neighborhoods affect child and adolescent development.
One component of the PHDCN was the Longitudinal Cohort Study, which
was a series of coordinated longitudinal studies that followed over
6,000 randomly selected children, adolescents, and young adults, and
their primary caregivers over time to examine the changing
circumstances of their lives, as well as the personal characteristics,
that might lead them toward or away from a variety of antisocial
behaviors. Numerous measures were administered to respondents to
gauge various aspects of human development, including individual
differences, as well as family, peer, and school influences. The
Physical Development Scale was a self-report measure consisting of
items that were used to ascertain pubertal status for children in
Cohorts 9, 12, and 15. In Wave 1, this was interviewer administered
and was referred to as the Pubertal Development Scale (PROJECT ON
HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): PUBERTAL
DEVELOPMENT SCALE, WAVE 1, 1994-1997 [ICPSR 13595]).
2006-04-05
16.
Project on Human Development in Chicago Neighborhoods (PHDCN): Physical Development Scale, Wave 3, 2000-2002 (ICPSR 13730)
Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; Sampson, Robert J.
Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; Sampson, Robert J.
The Project on Human Development in Chicago Neighborhoods
(PHDCN) was a large-scale, interdisciplinary study of how families,
schools, and neighborhoods affect child and adolescent development.
One component of the PHDCN was the Longitudinal Cohort Study, which
was a series of coordinated longitudinal studies that followed over
6,000 randomly selected children, adolescents, and young adults, and
their primary caregivers over time to examine the changing
circumstances of their lives, as well as the personal characteristics,
that might lead them toward or away from a variety of antisocial
behaviors. Numerous measures were administered to respondents to
gauge various aspects of human development, including individual
differences, as well as family, peer, and school influences. The
Physical Development Scale was a self-report measure consisting of
items that were used to ascertain pubertal status for children in
Cohorts 6, 9, and 12. In Wave 1, this was interviewer administered and
was referred to as the Pubertal Development Scale (PROJECT ON HUMAN
DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): PUBERTAL DEVELOPMENT
SCALE, WAVE 1, 1994-1997 [ICPSR 13595]). In Wave 2, this was
self-administered (PROJECT ON HUMAN DEVELOPMENT IN CHICAGO
NEIGHBORHOODS (PHDCN): PHYSICAL DEVELOPMENT SCALE, WAVE 2, 1997-2000
[ICPSR 13645]).
2006-10-11
17.
Project on Human Development in Chicago Neighborhoods (PHDCN): Pubertal Development Scale, Wave 1, 1994-1997 (ICPSR 13595)
Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; Sampson, Robert J.
Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; Sampson, Robert J.
The Project on Human Development in Chicago Neighborhoods
(PHDCN) was a large-scale, interdisciplinary study of how families,
schools, and neighborhoods affect child and adolescent development.
One component of the PHDCN was the Longitudinal Cohort Study, which
was a series of coordinated longitudinal studies that followed over
6,000 randomly selected children, adolescents, and young adults, and
their primary caregivers over time to examine the changing
circumstances of their lives, as well as the personal characteristics,
that might lead them toward or away from a variety of antisocial
behaviors. Numerous measures were administered to respondents to
gauge various aspects of human development, including individual
differences, as well as family, peer, and school influences. The
Pubertal Development Scale was a self-report measure consisting of
items that were used to ascertain pubertal status for children in
Cohorts 9, 12, and 15.
2006-03-01
18.
Swedish Adoption/Twin Study on Aging (SATSA), 1984, 1987, 1990, 1993, 2004, 2007, and 2010 (ICPSR 3843)
Pedersen, Nancy L.
Pedersen, Nancy L.
The Swedish Adoption/Twin Study on Aging (SATSA) was designed to study the origins of individual differences in aging and the environmental and genetic factors that are involved. SATSA began in 1984, and six additional waves were conducted in 1987, 1990, 1993, 2004, 2007, and 2010.
The questionnaire was initially sent to all twins from the Swedish Twin Registry who were separated at an early age and raised apart; the survey was also administered to a control sample of twins who were raised together. The respondents were surveyed on items that included health status, how they were raised, work environment, alcohol consumption, and dietary and smoking habits, as well as questions about personality and attitudes; this information comprised the first component.
The second component was collected from a subsample composed of 150 pairs of twins raised apart and 150 pairs of twins raised together. This subsample participated in seven waves of in-person testing, which included a health examination, structured interviews, and tests on functional capacity, cognitive abilities, and memory.
The data are represented according to questionnaire and time number, and correspond to each wave/year: Questionnaire 1 and In-Person Testing Time 1 were in 1984; Questionnaire 2 and In-Person Testing Time 2 were in 1987; Questionnaire 3 and In-Person Testing Time 3 were in 1990; Questionnaire 4 and In-Person Testing Time 4 were in 1993; Questionnaire 5 was in 2003; In-Person Testing Time 5 was in 2004; Questionnaire 6 and In-Person Testing Time 6 were in 2007; In-Person Testing Time 7 was in 2010. The Administrative and Cognitive datasets include data from all years/waves. The Smell Survey dataset only includes data from 1990. No years were specified for the Contact measures and Separation measures datasets.
Demographic and background information includes age, sex, education, family history, household composition and employment.
2015-05-13
19.
Union Army Recruits in Black Regiments in the United States, 1862-1865 (ICPSR 9426)
Metzer, Jacob; Margo, Robert A.
Metzer, Jacob; Margo, Robert A.
This data collection was designed to examine the
characteristics of free Blacks and ex-slaves mustered into the Union
Army between 1862 and the end of the Civil War. In addition to
variables on personal characteristics, such as skin, eye, and hair
color, height, age, birthplace, and occupation before enlistment, the
data also contain Army-related variables, such as regiment and
company number, rank, enlistment date and place, changes in rank, and
date and cause of end of service.
2007-07-24
20.
Union Army Recruits in Black Regiments in the United States, 1862-1865: [Instructional Materials] (ICPSR 3466)
Oberly, James W.
Oberly, James W.
These instructional materials were prepared for use with
UNION ARMY RECRUITS IN BLACK REGIMENTS IN THE UNITED STATES, 1862-1865
(ICPSR 9426), compiled by Jacob Metzer and Robert A. Margo. The data
file and accompanying documentation are provided to assist educators
in instructing students about the demographic, military, and medical
history of African-American men who volunteered for service in the
Union Army during the American Civil War. An instructor's handout has
also been included. This handout contains the following sections,
among others: (1) General goals for student analysis of quantitative
datasets, (2) Specific goals in studying this dataset, (3) Suggested
appropriate courses for use of the dataset, (4) Tips for using the
dataset, and (5) Related secondary source readings. This data
collection was designed to examine the characteristics of free Blacks
and ex-slaves mustered into the Union Army between 1862 and the end of
the Civil War. In addition to variables on personal characteristics
(such as skin, eye, and hair color, height, age, birthplace, and
occupation before enlistment), the data also contain Army-related
variables (such as regiment and company number, rank, enlistment date
and place, changes in rank, and date and cause of end of service).
2004-02-27
21.
Union Army Recruits in White Regiments in the United States, 1861-1865 (ICPSR 9425)
Fogel, Robert W.; Engerman, Stanley L.; Pope, Clayne; Wimmer, Larry
Fogel, Robert W.; Engerman, Stanley L.; Pope, Clayne; Wimmer, Larry
This data collection was designed to analyze the
relationships among height, morbidity, and mortality among individuals
recruited into the Union Army. Information about each recruit includes
date, place, and term of enlistment, place of birth, military ID
number, random number assigned to each company, occupation before
enlistment, age at enlistment, and height. Population figures for 1850
to 1860 by race, sex, and county of birth also are included by county
and town of both recruit's birth and enlistment places. In addition,
the latitude and longitude of the population centroids of each civil
division were also computed.
2001-06-27
22.
Union Army Rejected Recruits in the United States, 1861-1865 (ICPSR 9428)
Fogel, Robert W.; Steckel, Richard H.
Fogel, Robert W.; Steckel, Richard H.
This data collection was designed to compare the differences
between adult white males rejected by the Union Army and those accepted
into the Union Army. Information includes each person's first and last
name, date, place, and term of enlistment, place of birth, military
identification number, occupation before enlistment, age at enlistment,
and height. Summary of physical conditions, international
classification of diseases code, and reason for rejection also are
presented.
1995-03-16
23.
Welfare, Children, and Families: A Three-City Study (ICPSR 4701)
Angel, Ronald; Burton, Linda; Chase-Lansdale, P. Lindsay; Cherlin, Andrew; Moffitt, Robert
Angel, Ronald; Burton, Linda; Chase-Lansdale, P. Lindsay; Cherlin, Andrew; Moffitt, Robert
This data collection is the third wave of an intensive study in Boston, Chicago, and San Antonio, which was initiated to assess the well-being of low-income children and families in the post-welfare reform era. The project investigates the strategies families have used to respond to reform, in terms of employment, schooling or other forms of training, residential mobility, and fertility. Central to this project is a focus on how these strategies affect children's lives, with an emphasis on their health and development as well as their need for, and use of, social services. For the first wave of the study, between March 1999 and December 1999, a random sample of approximately 2,400 households with children in low-income neighborhoods in Boston, Chicago, and San Antonio were selected for interviews. Forty percent of the families interviewed were receiving cash welfare payments at the time of the interview. Each household had a child aged 0 to 4 or aged 10 to 14 at the time of the interview. The child and the child's primary female caregiver are the focus of the study. Extensive baseline information was gathered at the initial personal interview with the caregivers, tested younger children were assessed, and older children were interviewed. All interviews were conducted in-person using a computerized instrument. The third wave of data collection took place between February 2005 and January 2006, when the focal children were aged 5 to 10 or aged 15 to 20. Between May 2005 and May 2006, interviews were conducted with the teachers of the focal children.
2012-10-04