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Survey Items: Survey instrument item number for children 0-5 years: A5, A6-A28, A33; for children 6-11 years: A5d,e, A6-A29, A34; for children 12-17 years: A5e,f, A6-A29, A34 Variable name in public use data file: ALLERGIES; ALLERGIES_CURR; ARTHRITIS; ARTHRITIS_CURR; K2Q40A; K2Q40B; BLOOD; BLOOD_CURR; K2Q46A; K2Q46B; K2Q61A; K2Q61B; CYSTFIB; CYSTFIB_CURR; K2Q41A; K2Q41B; DOWNSYN; DOWNSYN_CURR; K2Q42A; K2Q42B; GENETIC; GENETIC_CURR; HEART; HEART_CURR; HEADACHE; HEADACHE_CURR; K2Q38A; K2Q38B; K2Q33A; K2Q33B; K2Q32A; K2Q32B; K2Q34A; K2Q34B; SUBABUSE; SUBABUSE_CURR; K2Q36A; K2Q36B; K2Q60A; K2Q60B; K2Q37A; K2Q37B; K2Q30A; K2Q30B; ANYOTHER; ANYOTHER_CURR; K2Q35A; K2Q35B; K2Q31A; K2Q31B; K2Q43B; BLINDNESS
Denominator: Children age 0-17 years
Numerator: Children who do not have current health conditions; Children with one current health condition; Children with two or more current health conditions
Revisions and Changes: In 2017, this measure did not change from the 2016 NSCH. Due to changes in the administration and sampling for the NSCH, results from surveys prior to 2016 are not directly comparable and should not be used to conduct trend analyses. In the 2011/12 NSCH, 18 conditions were asked. In 2016, the following conditions were added: allergies (including food, drug, insect or other); blood disorders; cystic fibrosis; Down syndrome; genetic or inherited condition; heart condition; frequent or severe headaches including migraine; substance abuse; and other mental health problems. Additionally, the question about arthritis was previously asked as bone or joint problems in the 2011/12 NSCH.
Additional Notes: This measure was derived based on 27 conditions asked in the survey. If no age group is noted then the condition was scored for all ages: allergies (food, drug, insect or other), arthritis, asthma, blood disorders (such as sickle cell disease, thalassemia, or hemophilia), brain injury/concussion/head injury, cerebral palsy, cystic fibrosis, diabetes, Down Syndrome, epilepsy or seizure disorder, genetic or inherited condition, heart condition, frequent or severe headaches including migraine (3-17 years), Tourette Syndrome (3-17 years), anxiety problems (3-17 years), depression (3-17 years), behavioral and conduct problem (3-17 years), substance abuse disorder (6-17 years), developmental delay (3-17 years), intellectual disability (also known as mental retardation) (3-17 years), speech or other language disorder (3-17 years), learning disability (3-17 years), other mental health condition (3-17 years), Autism or Autism Spectrum Disorder (ASD) (3-17 years), Attention Deficit Disorder or Attention-Deficit/Hyperactivity Disorder (ADD or ADHD) (3-17 years), hearing problems, and vision problems. The measure was constructed from responses to two questions about each of the 25 health conditions (except hearing and vision problems, each of these condition had one question). Respondents were asked whether they have EVER been told by a doctor or other health care provider (or educator for behavioral conditions) that the child has the condition, and whether the child CURRENTLY has the condition. Deafness or problems with hearing, and blindness or problems with seeing (even when wearing glasses) were each assessed in a single item. Children were then grouped according to the number of conditions they currently have: none, one, or two or more. Please note that in the NSCH, all information about children's health conditions is based on parent recollection and is not independently verified. Further, a response of "Yes" to having "ever been told" that a child has a specific health condition does not indicate whether the child currently has that particular condition and therefore should not be interpreted as current prevalence.
Treatment of Unknown Values: Missing values due to non-response or a “don’t know” response are not included in the denominator when calculating prevalence estimates and weighted population counts displayed in the data query results table. In the majority of cases, the proportion of missing values is less than 2%. Exceptions are noted in the form of a Data Alert at the bottom of a results table. The exclusion of these values does not change the prevalence estimates (%) and only marginally affects the weighted population counts (Pop. Est.). If missing cases are handled in any other way, details can be found in the "Additional notes" section above.
History and Development: The Health Resources and Services Administration’s (HRSA) Maternal and Child Health Bureau (MCHB) funds and directs the National Survey of Children’s Health (NSCH), and develops survey content in collaboration with the U.S. Census Bureau and a Technical Expert Panel. The Technical Expert Panel consists of experts in survey methodology and children’s health, federal and state stakeholders, clinicians and researchers. The U.S. Census Bureau conducts the survey, oversees the sampling, and produces a final data set of survey results. Respondents’ cognitive understanding of the survey questions was assessed during the pretest phase of the survey redesign and reassessed after the 2016 survey; subsequent revisions were made. Previously validated questions and scales are used when available. The manuscript “The Design and Implementation of the 2016 National Survey of Children’s Health”, provides detailed information about the redesign of the NSCH, administration of the first redesigned survey (2016), and the sampling and administration changes for the 2017 NSCH. Prior to 2016, the NSCH and the National Survey of Children with Special Health Care Needs were each conducted three times as interviewer-assisted telephone surveys using random digit dial sampling. In 2016, the two surveys were combined into a single annual self-administered questionnaire. Due to decline in the number of households with landline telephones, the NSCH now utilizes an addressed based sampling method to select participating households, thus all invitations are sent by mail. Participants may choose to complete the survey either online using a secure website or a mailed paper version of the survey. All final data components are verified by the Census Bureau, HRSA/MCHB and CAHMI/DRC staff prior to public release. More information about the survey can be found in the “About the National Survey of Children's Health” section of this website and HRSA’s MCHB website.
C.I. = 95% Confidence Interval. Percentages and population estimates (Pop.Est.) are weighted to represent child population in US.
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Data Source: National Survey of Children’s Health, Health Resources and Services Administration, Maternal and Child Health Bureau. https://mchb.hrsa.gov/data/national-surveys
Citation: Child and Adolescent Health Measurement Initiative. 2016-2017 National Survey of Children’s Health (NSCH) data query. Data Resource Center for Child and Adolescent Health supported by the U.S. Department of Health and Human Services, Health Resources and Services Administration (HRSA), Maternal and Child Health Bureau (MCHB). Retrieved [mm/dd/yy] from [www.childhealthdata.org].