Youth Tobacco Surveys (with W. Warren and K. Beckett): Self-administration of student interviews within schools; assistance with design development in a number of U.S. states as part of a national system of statewide surveys of 1,500-10,000+ students, regionally stratified PPS systematic sample of middle and/or high schools within states; proportionate allocation when priority to statewide estimates and balanced allocation when priority given to producing regional estimates, sampling of students within schools through selection of 2nd period classes. (1999-date)

American Cancer Survey Sun Exposure/Protection Survey: Telephone interview survey; regionally stratified list-assisted RDD and age-targeted telephone sample of 1,000 child/parent pairs, with separate modules for 11-18 years olds and their in-household primary caregiver; proportionate allocation among seven regional strata defined according to levels of exposure to ultraviolet radiation; unequal probability design with selection of one child respondent per household. (1998)

Wake County Community Assessment Survey: Telephone interview survey, assessing the attitudes and behaviors related to social and health issues in the county; geographically stratified list-assisted RDD telephone sample of 1,000 adult residents; proportionate allocation among eight strata defined by communti; unequal probability design with selection of one child respondent per household. (1998)

National Best Practices in Child Care Survey: Mail survey done by Frank Porter Graham to profile the teaching practices of day care workers, to identify those seen as most effective; disproportionately stratified sample of 2,500 day care workers in U.S.; stratification by center enrollment and type of institutional setting; unequal probability design. (1997)

National Health Directors Report Card Indicators Study: Mail survey to develop a model report card of community health; disproportionately stratified sample of 365 community health directors; stratification by type and size of jurisdiction; unequal probability design. (1997)

North Carolina Smart Start Evaluation Study: Mail survey done by Frank Porter Graham to assess the skills level of children entering kindergarten in the 55 North Carolina counties with the Smart Start program to prepare pre-school age students for grade school; stratified two stage unequal probability sample of kindergarten students in the Smart Start counties; kindergarten classes as PSU, and student as SSU; unequal probability design. (1997)

National Kindergarten Transition Study: Mail survey done by Frank Porter Graham to profile strategies used by kindergarten teachers to help their students with the transition to subsequent grades; disproportionately stratified sample of 5,000 kindergarten teachers in U.S.; stratification by population density, percentage in poverty, and percent minority for the area surrounding the school; unequal probability design. (1996)

North Carolina High School Sports Injury Survey: Face-to-face and record abstraction survey; stratified two-stage sample of 15,000 athletes for each of three consecutive school years; Stratified PPSWOR (Sampford's algorithm) of 100 schools (PSUs), stratification by school size classification, region of the state, and qualifications of school's athletic trainer (size measure as the number of sports teams); simple systematic sample of 6 sports teams in each school, implicitly stratified by type and participant gender; equal probability design. (1996)

North Carolina Health Profile; Round 1 (with Delton Atkinson and Ira Kaufman): Telephone interview survey; regionally stratified three-stage Waksberg RDD telephone sample of 2,757 households, with separate modules for a single random adult (n=2,575), a single random child under the age of 18, if present (n=1,077) and a single random child under age 6, if present (n=421); disproportionate allocation among three regions to produce approximately equal sample sizes, unequal probability design. (1994-1995)

Charlotte Health Care Network Study: Telephone interview surveys in seven rural communities surrounding the Charlotte area; unstratified three-stage Waksberg RDD telephone sample of 250-350 adult residents; unequal probability design (1994)

National Rural Hospital Survey: Telephone interview survey; stratified four stage sample of approximately 10,000 adults living in rural communities with a hospital; community is the PSU and a three-stage Waksberg RDD sample of adults (one per household) constitute the last three stages; PPS selection of communities within community strata defined by the economic status of the hospital and using community 1990 total population as the size measure; approximately 100 adult respondents in each of 100 sample communities; unequal probability design. (1994)

North Carolina Memorial Hospital Community Awareness Surveys II-IV: Telephone interview survey; Waksberg three-stage RDD samples of 350 adults; unequal probability design (1983, 1986, 1989, 1992, 1994)

North Carolina Automobile Inspection and Maintenance Audit Survey: Record check survey; stratified three-stage sample of about 1,200 automobile; proxy PPS sampling of area grids as PSUs with selection of a single subgrid as SSU; route sampling of automobiles (as TSUs) within grid areas, using the last three digits of the serial ID as the basis for randomization; unequal probability design. (1993)

North Carolina Five-a-Day Study: Nutrition intervention assessment with followup and aimed at African-Americans living in 10 rural eastern North Carolina counties; stratified one-stage cluster sample of 3,750 church members with church as the PSU and county and church membership as stratification criteria; PPS selection of 100 churches with reported membership as the size measure; unequal probability design. (1993)

Russian Republic Longitudinal Monitoring Survey. Personal interview for periodic household surveys of the civilian, noninstitutionalized population in the Russian republic; proportionately stratified three-stage sample of 5,000 households; cities and Rayon as PSUs, voting districts as SSUs, and voter addresses as TSUs; PSU stratification by region and percent urban; unequal probability design. (1992)

AIDS Education and Health Care Workers Survey (with Linda Sanders): Telephone interview survey; proportionately stratified modified Waksberg three-stage RDD sample of 1,150 adults; stratification by time zone; unequal probability design. (1991)

North Carolina Low Back Pain Prevalance Survey: Telephone interview survey; unstratified three-stage modified Waksberg design of 2,500 adults; unequal probability design. (1991)

North Carolina Physician Surveillance Survey (with Linda Sanders): Mail survey; disproportionately stratified list sample of 1,200 primary care physicians; stratification by primary specialty; unequal probability design. (1991)

National Migrant Survey (with Rebecca Parker): Personal interview survey; stratified four-stage sample of unspecified size for a future personal interview survey of migrant and seasonal farmworkers; county groups, migrant camps and individual housing units as sampling units through the first three stages, with time-dimension sampling applied to deal with migrant mobility in identifying selected individuals in the final stage; unequal probability design. (1989)

National Teenage Pregnancy Survey: Personal interview survey; stratified three-stage sample of 20,000 7th-11th graders selected through an in-school screen to oversample key subgroups; county groups as PSUs and linked samples of 200 secondary and feeder middles schools as SSUs; unequal probability design. (1989)

National Longitudinal Survey of Pregnancy and Childbirth: Personal interview/records abstraction survey; stratified three-stage sample of 20,000 pregnant women designed for a planned study of prenatal morbidity and outcome; county groups (stratified by region and urbanization), physician practices (stratified by primary specialty), and time periods as sampling units in the three stages, respectively; unequal probability design. (1988)

Atherosclerosis in Communities Study; Jackson, Mississippi (with David A. Walsh): Personal interview survey; stratified list sample of 4,000 blacks aged 45-64 years with drivers license registration list as the sampling frame; unequal probability design. (1987)

National Survey of Missing Children: Telephone/mail survey; disproportionate stratified list sample of 800 law enforcement agencies; unequal probability design. (1987)

Piedmont Dental Survey: Examination survey; two-phase subsample of 1,000 persons 65 and older for a dental interview and examination from a stratified three-stage area sample of households in five central North Carolina counties; dentates oversampled through household screening; unequal probability design. (1987)

Contraceptive Prevalence Survey in Honduras: Personal interview survey; stratified two-stage sample of 10,000 households, with PPS systematic sampling of local geo-political area units as PSUs and created segments as SSUs; equal probability design. (1986)

Survey of school children in public schools for the North Carolina School Oral Health Survey (with J. Michael Bowling): Examination survey; stratified one-stage cluster sample of 10,400 school-age children using classrooms as the cluster; equal probability design. (1986)

Survey of black policyholders for the Self-help Quit Smoking Study: Mail survey; stratified list sample of 4,000 policyholders from a duplicate-removed list of policies at the North Carolina Mutual Insurance Company; equal probability design. (1985)

North Carolina Survey of Childhood Injury (with J. Michael Bowling): Telephone interview survey; stratified Waksberg three-stage RDD sample of 1,000 adults; unequal probability design. (1984)

Survey of Physicians Referring Patients to North Carolina Memorial Hospital: Telephone interview survey; stratified list sample of 400 physicians; unequal probability design. (1984)

National Supplementary Health Risk Assessment Survey: Telephone interview survey; stratified Waksberg three-stage RDD sample of 750 adults; unequal probability design. (1983)

Second Egypt Contraceptive Prevalence Survey: Personal interview survey; stratified multi-stage sample of 10,000 women age 15-49 years; PPS systematic selection of administrative areas (urban) and villages (rural); area listings used to select dwellings; equal probability design. (1983)

Alaskan Health Risk Assessment Survey: Telephone/personal interview survey; stratified Waksberg three-stage RDD sample (urban areas) and two-stage list sample (rural areas) of 845 adults; SRS of rural communities with randomly chosen adults or key informants as respondents; unequal probability design. (1982)

California Health Risk Assessment Survey: Telephone interview survey; stratified Waksberg three-stage RDD sample of 1,500 adults; unequal probability design. (1982)

Hawaii Health Risk Assessment Survey: Telephone interview survey; stratified Waksberg three-stage RDD sample of 1,000 adults; unequal probability design. (1982)

Michigan Health Risk Assessment Survey: Telephone interview survey; stratified Waksberg three-stage RDD sample of 1,400 adults; unequal probability design. (1982)

North Carolina Memorial Hospital Community Awareness Survey I: Telephone interview survey; Waksberg three-stage RDD sample of 240 adults; unequal probability design. (1982)

Assessment of Toxicity Data on Chemical Substances (with Committee on Sampling Strategies, National Academy of Sciences): Literature abstract survey; stratified SRS of 675 existing substances; unequal probability design. (1981)

Orange County Health Department Survey: Telephone interview survey; Waksberg three-stage random digit dialing (RDD) sample of 240 adults; unequal probability design. (1981)

Puerto Rico Fertility and Family Planning Survey: Personal interview survey; stratified multi-stage sample of 3,200 women aged 15-49; replicated PPS systematic selection of numeration districts as PSUs, complete enumeration of compact segments; unequal probability design. (1981)

Somalia Fertility and Mortality Survey of Nomadic Population: Personal interview survey; stratified two-stage sample of 430 women aged 15-49 years; stratified SRS selection of waterpoints as PSUs; unequal probability design. (1981)

Jordan Demographic Survey: Personal interview survey; stratified multi-stage sample of 14,000 women aged 15-49; replicated PPS systematic selection of blocks (urban) and localities (rural) as PSUs; adapted census listing used to select dwellings; equal probability design. (1980)

Somalia Fertility and Mortality Survey of Settled Population: Personal interview survey; stratified multi-stage sample of 8,000 women aged 15-49 years; PPS systematic selection of administrative areas as PSUs; complete enumeration of compact segments; equal probability design. (1980)

East Java (Indonesia) Population Survey: Personal interview survey; stratified multi-stage sample of 19,000 women aged 15-49 years; PPS systematic selection of villages as PSUs; dwellings sample from area list; unequal probability design. (1979)

Virginia Health Survey (with Robert E. Mason): Personal interview survey, stratified multi-stage sample of 6,200 households; PPS selection of minor civil divisions as PSUs; area listing used to select dwellings; unequal probability design. (1977)

National Medical Care Expenditure Survey (with Martin R. Frankel): Personal interview survey; stratified multi-stage sample of 16,000 households; PPS selection of county groups as PSUs; area listing used to select dwellings; unequal probability design. (1976)

National Head and Spinal Cord Injury Survey: Records abstract and personal interview survey; a stratified multi-stage sample of 9,700 patient medical records; PPS selection of county groups as PSUs; unequal probability design. (1975)