Variation in Physician Office Visit Rates by Patient Characteristics and State, 2012

September 11, 2015

An NCHS report examines the rate of physician office visits by patient age, sex, and state. Visits by adults with private insurance as their expected source of payment were also examined.

Estimates are based on the 2012 National Ambulatory Medical Care Survey, a nationally representative survey of physician office visits. State estimates for the 34 most populous states are available for the first time. State refers to the location of the physician office visit.

Key Findings from the Report:

  • In 2012, there were an estimated 301 physician office visits per 100 persons. The visit rate among females exceeded the rate for males.
  • The rate for adults aged 65 and over was more than twice the rate for adults aged 18–64 and children under age 18 years.
  • Among the 34 most populous states, Missouri had the lowest rate of physician office visits for both adult age groups (18–64 and 65 and over), and Connecticut had the highest rate.
  • The percentage of visits made by adults aged 18–64 with private insurance as the expected source of payment varied across the 34 most populous states, ranging from 53% in New York and Arkansas to 79% in Maryland.


Prevalence and Trends in Psychotropic Medication Use Among U.S. Male Veterans, 1999–2010

September 4, 2015

Prior studies of psychotropic medication use among U.S. veterans are limited in their ability to generalize estimates to the full veteran population and make comparisons with non-veterans.

study from Pharmacoepidemiology and Drug Safety Journal used data from the National Health and Nutrition Examination Survey to estimate the prevalence of psychotropic medication use and trends over time among male U.S. veterans.  This data compared their use of psychotropic medications with non-veteran males, and examined differences among veteran subpopulations.

Results from the Study:

  • The percentage of male veterans who used any psychotropic medication increased from 10.4% in 1999–2002 to 14.3% in 2003–2006, then remained stable in 2007–2010 (14.0%).
  • During the same time period, the percentage of non-veteran males who used psychotropic medications remained relatively stable (7.0%, 8.3%, and 9.2%, respectively).
  • Veterans were more likely to use psychotropic medication, specifically antidepressants, than non-veterans.
  • The percentage of non-Hispanic white veterans and veterans aged 60 years and over who used psychotropic medications increased between 1999–2002 and 2003–2006, but the percentages remained stable between 2003–2006 and 2007–2010.
  • In 2003–2006 and 2007–2010, a higher percentage of non-Hispanic white veterans used psychotropic medications than non-Hispanic black veterans.

Diagnostic Experiences of Children With Attention-Deficit/Hyperactivity Disorder

September 4, 2015

A new NCHS report describes the diagnostic experiences of a sample of children in the United States diagnosed with attention-deficit/hyperactivity disorder (ADHD) as of 2011–2012.

Key Findings from the Report:

  • The median age at which children with ADHD were first diagnosed with the disorder was 7 years; one-third were diagnosed before age 6. Children with ADHD were diagnosed by a wide variety of health care providers, including primary care physicians and specialists.
  • Regardless of age at diagnosis, the majority of children (53.1%) were first diagnosed by primary care physicians. Notable differences were found by age at diagnosis for two types of specialists.
  • Children diagnosed before age 6 were more likely to have been diagnosed by a psychiatrist, and those diagnosed at ages 6 and over were more likely to have been diagnosed by a psychologist.
  • Among children diagnosed with ADHD, the initial concern about a child’s behavior was most commonly expressed by a family member (64.7%), but someone from school or daycare first expressed concern for about one-third of children later diagnosed with ADHD (30.1%).
  • For approximately one out of five children (18.1%), only family members provided information to the child’s doctor during the ADHD assessment.


Hospitalization for Total Knee Replacement Among Inpatients Aged 45 and Over: United States, 2000–2010

September 4, 2015

In 2010, total knee replacement was the most frequently performed inpatient procedure on adults aged 45 and over. In the 11-year period from 2000 through 2010, an estimated 5.2 million total knee replacements were performed. Adults aged 45 and over comprised 98.1% of those surgeries.

An NCHS report uses data from the National Hospital Discharge Survey to present trends in the rate of hospitalizations for total knee replacement, mean age at hospitalization, and discharge status for inpatients aged 45 and over from 2000 through 2010.

Key Findings from the Report:

  • The rate of total knee replacement increased for both men (86%) and women (99%) aged 45 and over from 2000 through 2010.
  • For both 2000 and 2010, women had a higher rate of total knee replacement (33.0 and 65.5 per 10,000 population, respectively) than men (24.3 and 45.3 per 10,000, respectively).
  • The mean age at total knee replacement decreased from 2000 through 2010 for both men and women aged 45 and over.
  • Higher percentages of men and women aged 45 and over who were hospitalized for total knee replacement were discharged home in 2010 (69.8% and 54.1%) than in 2000 (53.5% and 40.8%).
  • In both 2000 and 2010, a lower percentage of women aged 45 and over (40.8% and 54.1%, respectively) were discharged home after total knee replacement than men aged 45 and over (53.5% and 69.8%, respectively).


New Estimates for 15 selected health measures based on data from the January–March 2015 National Health Interview Survey

September 1, 2015

A new report from NCHS updates estimates for 15 selected health measures based on data from the January–March 2015 National Health Interview Survey (NHIS) and presents estimates from 1997 through 2014 for comparison. The 15 Early Release measures are being published prior to final data editing and final weighting to provide access to the most recent information from NHIS. The estimates will be updated as each new quarter of NHIS data becomes available.

Key Findings from the Report:

  • The prevalence of obesity among U.S. adults aged 20 and over increased from 19.4% in 1997 to 30.2% in January–March 2015.
  • The prevalence of current cigarette smoking among U.S. adults declined from 24.7% in 1997 to 15.2% in January–March 2015.
  • In the first quarter of 2015, the percentages of adults who had received an influenza vaccination during the past 12 months were 71.9% for adults aged 65 and over, 50.7% for those aged 50–64, and 32.5% for those aged 18–49.