The National Survey on Drug Use and Health (NSDUH) provides national and state-level data on the use of tobacco, alcohol, illicit drugs (including non-medical use of prescription drugs) and mental health in the United States. This annual survey involves interviews with approximately 70,000 randomly selected individuals. The survey cohort consists of U.S. civilian, noninstitutionalized population aged 12 years and older and includes residents in group quarters such as college dormitories, group homes, shelters, rooming houses, and military bases. Interviews are conducted in participants’ homes facilitated via the use of Computer Assisted Interviewing (CAI). NSDUH is sponsored by the Substance Abuse and Mental Health Services Administration (SAMHSA), an agency of the U.S. Public Health Service in the U.S. Department of Health and Human Services (DHHS).
"Data from 205 adolescent and early adult girls in Jos, Nigeria was collected to assess risk factors for vaginal human papillomavirus (HPV) infection, knowledge about HPV vaccines, and assess willingness to receive the HPV vaccine. Data on prevalence and patterns of HPV infections was also collected. Participants, age 9 to 20 years old, were recruited from 10 randomly selected schools. Research nurses from the Jos University Teaching Hospital interviewed each participant using a structured questionnaire. Data on sexual history and information on sexual partners was used to assess the risk factors for HPV infections. Data on knowledge related to HPV infections, vaccines, and willingness to receive the vaccine was collected through a questionnaire. Principal component analysis (PCA) was used to compute wealth index using data on ownership of household items and availability of household facilities. To assess the prevalence of HPV infections, participants were trained to self-collect vaginal samples which were tested for HPV infection using DEIA/LIPA25. "