Table 4.
Nutrition Questionnaire Test-Retest Reliability Results.
| Item | Question Text | Question Format | Weighted Kappa | Cohen’s Kappa | Absolute Agreement (%) |
|---|---|---|---|---|---|
| 1. | Each day, when do you usually have drinks, including smoothies? Do not include water, unsweetened black coffee or tea, or other zero-calorie drinks. | Check all that apply | |||
| Breakfast | 0.654 | 83.0 | |||
| Morning Snack | 0.314 | 83.0 | |||
| Lunch | 0.393 | 77.4 | |||
| Afternoon Snack | 0.339 | 71.7 | |||
| Evening Meal | 0.350 | 73.6 | |||
| Evening Snack | 0.508 | 77.4 | |||
| 2. | Each day, when do you usually have food? | Check all that apply | |||
| Breakfast | 0.694 | 88.7 | |||
| Morning Snack | 0.685 | 84.9 | |||
| Lunch | -0.047 | 90.6 | |||
| Afternoon Snack | 0.508 | 75.5 | |||
| Evening Meal | -0.026 | 94.3 | |||
| Evening Snack | 0.427 | 71.7 | |||
| 3. | When do you usually eat sugary or sweet foods such as cereals, cookies, cakes, baked goods, chocolate bars, fruit in syrup, or other sugary foods? | Check all that apply | |||
| Breakfast | 0.488 | 77.4 | |||
| Morning Snack | 0.554 | 86.7 | |||
| Lunch | 0.291 | 86.8 | |||
| Afternoon Snack | 0.279 | 64.2 | |||
| Evening Meal | 0.063 | 73.6 | |||
| Evening Snack | 0.469 | 73.6 | |||
| Rarely or Never | 0.466 | 84.9 | |||
| 4. | How often do you usually drink each of the following? | Categorical frequency | |||
| Juice (100% juice or other fruit drinks) | 0.735 | 84.6 | |||
| Pop/Soda (regular or reduced-sugar but not diet or zero-calorie) |
0.714 | 90.4 | |||
| Other sugary drinks (iced tea, sports or energy drinks, sweetened iced coffee, iced cappuccinos, etc.) |
0.597 | 76.9 | |||
| 5. | Do you add sugar to food or drinks? Include: white or brown sugar, molasses, honey, agave, other natural or processed syrup, and other natural sugars such as cane, coconut or palm sugar. Do not include calorie-free sweeteners such as aspartame, stevia or sucralose. | Yes/No | 0.674 | 84.9 | |
| 6. | Do you chew sugary gum, or eat any of the following: dried fruit, chewy fruit snacks, sugary candies (gummy or hard), breath mints or throat lozenges? | Categorical Frequency | 0.560 | 66.0 | |
| 7. | How many servings of vegetables and fruits do you eat each day? (Select the closest answer) One serving of vegetables is ½ cup of fresh, frozen or cooked vegetables, ½ cup of cooked greens or 1 cup of raw leafy greens One serving of fruit is one whole piece of fruit or ½ a cup of chopped or frozen fruit (not fruit juice or juice canned in syrup |
||||
| Vegetable servings | Categorical frequency | 0.514 | 50.9 | ||
| Fruit servings | Categorical frequency | 0.627 | 59.1 | ||
| 8. | How often do you usually drink the following types of milk? (Please specify a number if indicated). Include milk that you have with cereal. | Categorical frequency | |||
| Plain cow’s milk | 0.707 | 75.0 | |||
| Flavoured cow’s milk | 0.788 | 95.9 | |||
| Soy milk (any type) | 0.503 | 90.2 | |||
| Other milks | 0.834 | 90.6 | |||
| 9. | If you drink soy milk or other milk (such as almond, rice, hemp, coconut, cashew, etc.), has sugar been added? | Multiple choice | 0.711 | 83.0 | |
| 10. | If you drink soy milk or other milk (such as almond, rice, hemp, coconut, cashew, etc.), has it been fortified with vitamins and minerals? | Multiple choice | 0.645 | 78.8 | |
| 11. | When do you usually have milk (any of the types mentioned above)? | Check all that apply | |||
| Breakfast | 0.764 | 90.6 | |||
| Morning Snack | 0.387 | 86.8 | |||
| Lunch | 0.731 | 96.2 | |||
| Afternoon Snack | 0.497 | 90.6 | |||
| Evening Meal | 0.590 | 86.8 | |||
| Evening Snack | 0.705 | 90.6 | |||
| Rarely or Never | 0.767 | 94.3 | |||
| 12. | How often do you usually eat cheese or yogurt (made from cow’s or goat’s milk, not soy or other ingredients)? | Categorical frequency | |||
| Cheese | 0.673 | 71.1 | |||
| Plain or no added sugar yogurt | 0.672 | 77.6 | |||
| Sugar sweetened yogurt | 0.759 | 86.3 | |||
| 13. | When do you usually have cheese or yogurt (only the types listed above)? | Check all that apply | |||
| Breakfast | 0.722 | 86.8 | |||
| Morning Snack | 0.466 | 84.9 | |||
| Lunch | 0.660 | 83.0 | |||
| Afternoon Snack | 0.357 | 75.5 | |||
| Evening Meal | 0.409 | 71.7 | |||
| Evening Snack | 0.515 | 81.1 | |||
| Rarely or Never | 0.560 | 92.5 |