Table 3 Scales and included items
From: Development and evaluation of social cognitive measures related to adolescent dietary behaviors
Self-efficacy scale Circle ONE option to indicate how much you agree or disagree with each statement. Whenever I have a choice of the food I eat… | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Strongly Disagree | Disagree | Disagree Slightly | Agree Slightly | Agree | Strongly Agree | |||||||||||
1. | I find it difficult to choose low-fat foods (e.g. fruit or “lite” milk rather than “full cream” milk). | SD | D | DS | AS | A | SA | |||||||||
2. | I find it easy to choose a healthy snack when I eat in between meals (e.g. fruit or reduced-fat yoghurt). | SD | D | DS | AS | A | SA | |||||||||
3. | I believe I have the knowledge and ability to choose/prepare healthy snacks. | SD | D | DS | AS | A | SA | |||||||||
4. | I find it difficult to choose healthy meals/ snacks when I am eating out with my friends. | SD | D | DS | AS | A | SA | |||||||||
5. | I find it easy to eat at least 3 servings of fruit each day. | SD | D | DS | AS | A | SA | |||||||||
6. | I find it easy to eat at least 4 servings of vegetables/ salad each day. | SD | D | DS | AS | A | SA | |||||||||
7. | I find it easy to have healthy portion sizes during meals (e.g. not eating till I feel full). | SD | D | DS | AS | A | SA | |||||||||
Intentions scale | ||||||||||||||||
Please tick (✓) - In the next THREE MONTHS do you… | ||||||||||||||||
Not at all true of me | Not very true of me | Somewhat true of me | Very true of me | |||||||||||||
1. | …INTEND to eat at least 3 servings of fruit each day? | □ | □ | □ | □ | |||||||||||
2. | …INTEND to eat at least 4 servings of vegetables/ salad each day? | □ | □ | □ | □ | |||||||||||
3. | …INTEND to choose low-fat foods and drinks whenever you have a choice? | □ | □ | □ | □ | |||||||||||
4. | …INTEND to choose drinks and foods that are low in added sugar whenever you have a choice? | □ | □ | □ | □ | |||||||||||
5. | …INTEND to eat healthier portion sizes during meals (e.g. not eating till you feel full)? | □ | □ | □ | □ | |||||||||||
Situation scale | ||||||||||||||||
Circle ONE option to indicate how much you agree or disagree with each statement: | ||||||||||||||||
Strongly disagree | Disagree | Disagree slightly | Agree slightly | Agree | Strongly agree | |||||||||||
1. | At home there are healthy snacks available to eat. | SD | D | DS | AS | A | SA | |||||||||
2. | At home there are healthy drinks available (e.g. cold water in the fridge, sugar-free drinks, reduced-fat milk). | SD | D | DS | AS | A | SA | |||||||||
3. | At home fruit is always available to eat (including fresh, canned or dried fruit). | SD | D | DS | AS | A | SA | |||||||||
4. | At home vegetables are always available to eat (including fresh, frozen or canned vegetables). | SD | D | DS | AS | A | SA | |||||||||
Behavioral strategies scale | ||||||||||||||||
Circle ONE option for each question. In the past THREE MONTHS… | ||||||||||||||||
Never | Rarely | Sometimes | Often | Always | ||||||||||||
1. | …did you choose reduced-fat options when they were available (e.g. “lite” milk, reduced-fat cheese and yoghurt)? | N | R | S | O | A | ||||||||||
2. | …rather than choose sugary drinks such as fruit juice or soft drink, did you choose water or sugar-free drinks such as diet soft drink? | N | R | S | O | A | ||||||||||
3. | …did you leave food on your plate once you felt full during a meal? | N | R | S | O | A | ||||||||||
4. | …did you prepare healthy snacks and meals for yourself that were that were low in fat and low in added sugar? | N | R | S | O | A | ||||||||||
5. | …did you try preparing new recipes for meals and snacks that were low in fat and low in added sugar? | N | R | S | O | A | ||||||||||
6. | …did you do things to make eating fruits and vegetables more enjoyable (e.g. try a new recipe or blend fruit to make a fruit smoothie)? | N | R | S | O | A | ||||||||||
Social support scale | ||||||||||||||||
Circle ONE option for each question. In the past THREE MONTHS how often… | ||||||||||||||||
Never | Rarely | Sometimes | Often | Always | ||||||||||||
1. | …were fruit and vegetables available at home? | N | R | S | O | A | ||||||||||
2. | …did your parents/caretaker make healthy snacks available (e.g. fruit or reduced-fat yoghurt)? | N | R | S | O | A | ||||||||||
3. | …did your parents/caretaker prepare a healthy home-cooked dinner for you? | N | R | S | O | A | ||||||||||
4. | …did your parents/caretaker encourage you to eat fruits and vegetables? | N | R | S | O | A | ||||||||||
5. | …did you prepare healthy snacks or meals with your parents/caretaker? | N | R | S | O | A | ||||||||||
Outcome expectations and expectancies scale | ||||||||||||||||
Please tick (✓) ONE option to indicate how much you agree or disagree with each benefit and how important each benefit is to you: | ||||||||||||||||
1a. Healthy eating can reduce my risk for some illnesses and diseases (e.g. heart disease, diabetes, some cancers etc). | ||||||||||||||||
□ | □ | □ | □ | □ | □ | |||||||||||
Strongly Disagree | Disagree | Partly Disagree | Partly Agree | Agree | Strongly Agree | |||||||||||
1b. How important is reducing your risk for illness and disease to you? | ||||||||||||||||
□ | □ | □ | □ | |||||||||||||
Not at all important | Only slightly important | Important | Extremely Important | |||||||||||||
2a. Healthy eating can help me to feel better physically. | ||||||||||||||||
□ | □ | □ | □ | □ | □ | |||||||||||
Strongly Disagree | Disagree | Partly Disagree | Partly Agree | Agree | Strongly Agree | |||||||||||
2b. How important is feeling better physically to you? | ||||||||||||||||
□ | □ | □ | □ | |||||||||||||
Not at all important | Only slightly important | Important | Extremely Important | |||||||||||||
3a. Healthy eating can help me to control my weight. | ||||||||||||||||
□ | □ | □ | □ | □ | □ | |||||||||||
Strongly Disagree | Disagree | Partly Disagree | Partly Agree | Agree | Strongly Agree | |||||||||||
3b. How important is controlling your weight to you? | ||||||||||||||||
□ | □ | □ | □ | |||||||||||||
Not at all important | Only slightly important | Important | Extremely Important | |||||||||||||
4a. Healthy eating (e.g. not skipping meals) can help to improve my concentration at school. | ||||||||||||||||
□ | □ | □ | □ | □ | □ | |||||||||||
Strongly Disagree | Disagree | Partly Disagree | Partly Agree | Agree | Strongly Agree | |||||||||||
4b. How important is improving your concentration at school to you? | ||||||||||||||||
□ | □ | □ | □ | |||||||||||||
Not at all important | Only slightly important | Important | Extremely Important | |||||||||||||
5a. Healthy eating can help me to feel more energetic throughout the day | ||||||||||||||||
□ | □ | □ | □ | □ | □ | |||||||||||
Strongly Disagree | Disagree | Partly Disagree | Partly Agree | Agree | Strongly Agree | |||||||||||
5b. How important is feeling more energetic to you? | ||||||||||||||||
□ | □ | □ | □ | |||||||||||||
Not at all important | Only slightly important | Important | Extremely Important | |||||||||||||