Cross Sectional Studies

PUSH as Rx Cross-Sectional Studies. This type of study provides a snapshot of the frequency of a disease or other health-related characteristics in a population at a given point in time. This methodology can assess the burden of disease or health needs of a population, for example, and is particularly useful in informing the planning and allocation of health resources.

In a cross-sectional study, data is collected on the whole study population at a single point in time to examine the relationship between disease (or other health-related states) and other variables.

1. These studies measure the exposure and the outcome at the same time.
2. These studies estimate the prevalence of a disease or condition.
3. Cross-sectional studies cannot establish a temporal relationship between the exposure and the outcome.

Study Types:

Analytical

Analytical cross-sectional studies use data on the prevalence of both exposure and health outcome. Analytical studies attempt to describe the prevalence of, (For example, disease or non-disease by first beginning with a population base.) The data is obtained to compare health outcome differences between exposed and unexposed.

Descriptive

Descriptive cross-sectional studies characterize the prevalence of a health outcome in a specified population. Prevalence can be assessed at either one point in time (point prevalence) or over a defined period of time ( period prevalence). Period prevalence is required when it takes time to accumulate sufficient information on a disease in a population, i.e., what proportion of people cared for by a public health clinic over a year have hypertension. These prevalence measures are commonly used in public health.

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Dr. Alex Jimenez DC, MSACP, CCST, IFMCP*, CIFM*, ATN*

email: coach@elpasofunctionalmedicine.com

Licensed in: Texas & New Mexico*