Abstract
OBJECTIVE: To validate the identification and location of fast-food restaurants according to a government list of inspected food stores and restaurants.
METHODS: Fast-food restaurants in the Capital Region of Denmark were identified using a government list of inspected food stores and restaurants (the Smiley register, spring 2010). Ground-truthing was used as the validation method and was performed in May and June 2010 in 125 randomly selected 250×250 m grid cells.
RESULTS: A total of 186 fast-food restaurants was identified by ground-truthing and 99% of these were registered in the same grid cell by the Smiley register. However, only 152 restaurants of these were categorised as fast-food restaurants by both methods. The sensitivity was 82% and the positive predictive value was 92%. The mean±standard deviation position accuracy was 15±24 m.
CONCLUSIONS: Using a government list of inspected restaurants was found to be a valid and useful alternative to expensive and time-consuming field observation and provided a relatively accurate tool for identifying and locating fast-food restaurants in communities.
Original language | English |
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Title of host publication | engelsk |
Number of pages | 6 |
Volume | 39 |
Publication date | Dec 2011 |
Edition | 8 |
Pages | 864-9 |
DOIs | |
Publication status | Published - Dec 2011 |
Series | Scandinavian Journal of Public Health |
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ISSN | 1403-4956 |
Keywords
- Choice Behavior
- Diet
- Fast Foods/adverse effects
- Food Preferences
- Humans
- Predictive Value of Tests
- Public Health
- Registries
- Restaurants/statistics & numerical data
- Social Environment
- Socioeconomic Factors