Cross Sectional Study Examples

Question 1

NHANES

Answer 1

National Health and nutrition Examination Survey

Question 2

NHIS

Answer 2

National Health Interview Survey

Question 3

NAMCS

Answer 3

National Ambulatory Medical Care Survey

Question 4

NHCS

Answer 4

National Hospital Care Survey

Question 5

BRFSS

Answer 5

Behavioral Risk Factor Surveillance System

Question 6

What does the NHANES survey?

Answer 6

(NATIONAL HEALTH AND NUTRITION EXAMINATION SURVEY)

Asses the health and nutritional status of adults and children
> combines interviews and physical examinations
> interviews include demographic, socioeconomic, dietary, and Health-related questions
> examination component consists of medical, dental, physiological measurements and laboratory tests

Survey sample is selected to represent the US population of all ages
> oversamples persons >/=60 years old, blacks, hispanics

Question 7

What does the NHIS assess?

Answer 7

(NATIONAL HEALTH INTERVIEW SURVEY)

Principal source of information on health of the civilian, non-institutionalized population
> survey sample is selected to represent the USS population of all ages
> has central role in other surveys such as the National survey of Family Growth (NSFG) and the NAMCs/NHCS

Data are collected through personal household interview (broad range of health topics)

Consists of a set of core questions that remain largely unchanged and a set of supplements used to respond to public health data needs as they arise

Question 8

What does the NAMCS asses?

Answer 8

(NATIONAL AMBULATORY MEDICAL CARES SURVEY)

A national survey designed to meet the need for objective, reliable information about the provision and use of ambulatory medical care services in the US

Based on a sample of visits to non-federal, office-based physicians primarily engaged in direct patient care

Question 9

What does the NHCS asses?

Answer 9

(NATIONAL HOSPITAL CARE SURVEY)

A combined national survey designed to describe national patterns of healthcare delivery in non-federal hospital-based settings including:
> discharges from inpatient departments and institutions, and visits to emergency departments, outpatient departments and ambulatory surgery centers

Integrates 3 previous cross-sectional surveys
> national hospital discharge survey (NHDS)
> national hospital ambulatory medical care survey (NHAMCS)
> drug-abuse warnings network (DAWN)

Question 10

What does the BRFSS assess?

Answer 10

(BEHAVIORAL RISK FACTORS SURVEILLANCE SURVEY)

A state-based system of telephone health surveys that collects information on health risk behaviors, preventative health practices, and health care access primarily related to chronic disease and injury
> monthly data collection in all 50 states, DC, PR, US virgin Islands, and Guam
> 500,000 adults (>/= 18 yrs old) are interviewed by telephone
»> largest landline telephone health survey in the world
> Youth BRFSS conducted by questionnaire in schools