Table 5.
Item (24 items) | Corrected Item-total Correlationa (n=91) | Cronbach Alpha if Item Deleted | Item Test-Retest Reliability (ICC) (n=75) | % of lowest scoreb (floor) (n=98) | % of highest scorec(Ceiling) (n=98) |
---|---|---|---|---|---|
Plan & Manage (4 items) | |||||
Plan meals before grocery shoppingd | 0.50*** | 0.68 | 0.71 *** | 5.1 | 23.7 |
Have transportation to and from shopping for food | 0.43*** | 0.72 | 0.71*** | 9.2 | 36.7 |
Make and bring a grocery list when you shopf | 0.60*** | 0.62 | 0.76*** | 16.3 | 17.3 |
Plan time to cook meals | 0.56*** | 0.64 | 0.72*** | 4.1 | 25.5 |
Select (8 items) | |||||
Read the Nutrition Facts label before selecting a new food | 0.54*** | 0.80 | 0.67*** | 25.5 | 14.3 |
Look at nutrition information before ordering at a restaurant when it is available | 0.48*** | 0.81 | 0.64*** | 30.6 | 12.2 |
Compare the prices of similar food items to select oned | 0.35*** | 0.82 | 0.59*** | 7.1 | 28.6 |
Select foods that you believe are healthyd | 0.68*** | 0.78 | 0.74*** | 4.1 | 34.7 |
Select seasonal fruits when grocery shopping | 0.63*** | 0.78 | 0.75*** | 11.2 | 22.4 |
Select seasonal vegetables when grocery shoppingd | 0.69*** | 0.78 | 0.72*** | 8.2 | 23.5 |
Make choices based on what is on sale when shopping for foodd | 0.50*** | 0.80 | 0.55*** | 0.0 | 29.6 |
Use unit prices to select what you buy?e | 0.46*** | 0.81 | 0.76*** | 14.3 | 21.4 |
Prepare (11 items) | |||||
Wash your hands before preparing foods | 0.25* | 0.82 | 0.60*** | 0.0 | 80.6 |
Prepare a meal from basic or raw ingredients (from scratch) | 0.43*** | 0.80 | 0.68*** | 10.2 | 22.4 |
Measure ingredients using measuring cups and measuring spoonsd | 0.42*** | 0.80 | 0.49** | 15.3 | 22.4 |
Rinse canned vegetables before cooking | 0.51*** | 0.80 | 0.80*** | 14.3 | 42.9 |
Cook foods you have never cooked befored | 0.56*** | 0.79 | 0.67*** | 12.2 | 11.2 |
Use healthy cooking methods (cooking with no fat or salt, baking, steaming, boiling, and so on) | 0.56*** | 0.79 | 0.73*** | 4.1 | 27.6 |
Deep fry food when cooking | 0.17 | 0.82 | 0.50** | 11.2 | 9.2 |
Use a thermometer when cooking meatd | 0.41*** | 0.81 | 0.70*** | 45.9 | 10.2 |
Trim skin off chicken and other poultry before cooking it | 0.58*** | 0.79 | 0.66*** | 22.4 | 22.5 |
Trim fat off chicken and other poultry before cooking it | 0.68*** | 0.78 | 0.52** | 17.3 | 37.8 |
Trim fat off meat (beef, pork, etc.) before cooking it | 0.63*** | 0.78 | 0.63*** | 14.3 | 34.7 |
Eat (1 item) | |||||
Eat with family or friends | - | - | 0.60*** | 3.1 | 22.4 |
Pearson’s correlation coefficient for corrected item-total correlation by domain;
“never”;
“always”;
n=74;
n=73;
n=72;
P <0.01;
P <0.001