Term: Longitudinal Survey

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Glossary Definition

Last Updated: 2015-05-12

Definition:

A longitudinal survey is a survey that collects data on a sample population at multiple points in time. Longitudinal survey data can be used to estimate the incidence of new cases of a disease or condition and examine trends over time in a population. An advantage of collecting repeated observations for the same population over time is that any change identified will be controlled for time-invariant unmeasured confounders at the individual level.

Related terms 

• Cross Sectional Study
• Incidence / Incidence Rate
• Longitudinal Data
• Longitudinal Study
• Survey Data
• Survey Data Used at MCHP

References 

• Martens P, Nickel N, Forget E, Lix L, Turner D, Prior H, Walld R, Soodeen RA, Rajotte L, Ekuma O. The Cost of Smoking: A Manitoba Study. Winnipeg, MB: Manitoba Centre for Health Policy, 2015. [Report] [Summary] [Updates and Errata] [Additional Materials] (View)