Are You Using A Thermometer for Cooking Your Burger on the 4th? Why You Are Probably Not

Thermometers are the most effective way to determine if food is safe.  That is, to determine if specific temperatures have been reached to ensure leathality for pathogens of concern.  A recently published study looked at 85 studies from the past 21 years to see why thermometers are used or not used.  For those using thermometers, the motivators for thermometer use were to protect
those for whom the food is prepared and to improve food quality.

However, the majority of people do not use thermometers with the barriers being categorized into two major groups: “the belief that a thermometer is not necessary” and “the difficulty of selecting and using a thermometer.”

Barrier type 1 - Belief that a thermometer is not necessary -

1. Preference for alternative techniques. 

"Many consumers (47 to 51%) responded that it is unnecessary to use a cooking thermometer to check the doneness of an egg or meat dish. The most frequently reported alternative to food thermometer use was use of color to determine the doneness of the meat. Consumers also determined the doneness of egg or meat dishes by touch, taste, recipe cooking time, inserted a knife to examine the internal texture, inserting a toothpick or other utensil to see whether it came out clean, or other indications of texture, such as shaking an egg dish and considering it done when the item was firm.

2. Mainstream media and food professionals seldom serve as role models and often negate the need for food thermometers. 

Food workers indicated they were less likely to use a food thermometer when the managers were perceived as not caring about or monitoring this activity; some workers reported that their managers were bad examples when using thermometers. Food workers who were less likely to use a thermometer also believed that their boss, coworkers, customers, and the health inspector would not support thermometer use. Some culinary preparations seldom incorporate temperature measurement. Young Asian consumers reported not seeing a food thermometer used in their daily lives.

3.  Limited awareness of potential health issues associated with current practices.

4. Limited knowledge and awareness related to thermometer use for specific food groups.

Barrier type 2 - Difficulty of selecting and using a thermometer.

1. Difficulty in selecting the type of food thermometer.
2. Availability of food thermometers.
3. Lack of skills related to use of food thermometers.
4. Limited knowledge related to endpoint temperatures.
5. Inability to calibrate food thermometers.
6. Lack of knowledge of food thermometer cleaning and sanitation.

Are you making excuses or are you going to control your process?


Journal of Food Protection, Vol. 82, No. 1, 2019, Pages 128–150
doi:10.4315/0362-028X.JFP-18-245
Copyright , International Association for Food Protection

ABSTRACT

Motivators and Barriers to Cooking and Refrigerator Thermometer Use among Consumers and Food Workers: A Review


Yaohua Feng1, Christine M. Bruhn2
1.Department of Food Science, Purdue University, West Lafayette, IN
2.Department of Food Science and Technology, University of California, Davis, CA

Temperature control prevents the rapid growth of foodborne pathogens during food storage and assures adequate heating to destroy pathogens prior to consumption. The use of thermometers is a recognized best practice among consumer and food worker guidelines; however, compliance with this recommendation is quite low. Eighty-five studies from the past 21 years were reviewed and an analyzed for the knowledge, attitudes, and behaviors associated with thermometer use and the motivators and barriers to cooking and refrigerator thermometer use among consumers and food workers. Barriers to thermometer were categorized into two major groups: “the belief that a thermometer is not necessary” and “the difficulty of selecting and using a thermometer.” Each group has its unique aspects. Four barriers were recognized in the “not necessary” group: (i) preference for alternative techniques, (ii) mainstream media and food professionals seldom serve as role models and often negate the need for food thermometers, (iii) limited awareness of potential health issues associated with current practices, and (iv) limited knowledge and awareness related to thermometer usage for specific food groups. Six barriers were recognized in the “difficult to select and use” group: (i) difficulties in selecting the type of food thermometers, (ii) availability of food thermometers, (iii) lack of skills related to the usage of food thermometers, (iv) limited knowledge related to endpoint temperatures, (v) inability to calibrate food thermometers, and (vi) lack of knowledge about food thermometer cleaning and sanitation. These findings will facilitate the development and adoption of effective strategies to increase thermometer use and increase food safety education efficacy with a positive impact on public health.

https://www.foodsafetymagazine.com/news/study-heree28099s-why-consumers-done28099t-use-thermometers-when-cooking/
Study: Here’s Why Consumers Don’t Use Thermometers When Cooking
By Staff
According to a study conducted by researchers at Purdue University, few people use thermometers when they cook—even if they know how.
One of the major reasons that consumers don’t use thermometers, researchers found, is because they tend to draw inspiration from outside sources—celebrity chefs, cookbook authors, magazines, restaurant managers, and food blogs. These outlets rarely ever mention or demonstrate the importance of cooking food to proper temperatures.
“We see that celebrity chefs simply rely on time estimates in their recipes or cut through the meat to show there is no blood or pink. That doesn’t always mean the food is safe, however,” says Yaohua "Betty" Feng, an assistant professor of food science at Purdue. “That affects the behaviors of home cooks and professional cooks. If their role models aren’t using thermometers, why should they? But if chefs preparing food on television or social media would include the use of a thermometer to ensure the food is thoroughly cooked, it would have an impact on their viewers.”
Feng worked with University of California’s Christine M. Bruhn to analyze 85 studies from over two decades to understand knowledge, attitudes, and behaviors associated with thermometer use. Despite it being considered a best practice in home and professional kitchens, thermometer use is low.
In one study, two-thirds of people reported owning a meat thermometer, but less than 20 percent used it all the time to check the temperature of chicken, and less than 10 percent used it all the time for hamburgers. About half of consumers say that thermometers aren’t necessary to check the doneness of egg or meat dishes.
Feng also noted that many people are unsure which type of thermometer to buy or how to correctly use them, including where to place the thermometer in the food, the correct endpoint temperatures, proper temperature calibration for the thermometer, and proper cleaning and sanitation. About 95 percent of people in one study did not clean their thermometers after use.

The U.S. Department of Agriculture National Institute of Food and Agriculture’s Agriculture and Food Research Initiative supported this research. The results were published in the Journal of Food Protection in January 2019.