Table 4 Dietary social-cognitive mediator scales
Variables | Description and example items | Range (No. of items) | ICC (95% CI) | α | χ2 | df | p | GFI | RMSEA |
|---|---|---|---|---|---|---|---|---|---|
Dietary mediators | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Self-efficacy | Confidence in ability to adopt, maintain and overcome barriers to healthy eating behaviors. For example: "I find it easy to choose a healthy snack when I eat between meals - e.g. fruit, reduced fat yoghurt". | 6 | 0.89 (0.85 to 0.92) | 0.70 | 17.41 | 9 | 0.04 | 0.97 | 0.07 |
Environmental perceptions | An individual's mental representation of their environment that may influence their dietary behaviors. For example: "At home, fruit is always available to eat - e.g. fresh, canned or dried". | 4 | 0.81 (0.75 to 0.86) | 0.79 | 0.90 | 2 | 0.64 | 1.00 | 0.00 |
Social support | Social influences that reinforce healthy eating through encouragement and role modeling. For example: "...how often do your parents prepare a healthy home-cooked dinner for you?" | 6 | 0.89 (0.85 to 0.92) | 0.68 | 10.24 | 9 | 0.33 | 0.98 | 0.03 |
Behavioral strategies | Self-reinforcement for healthy eating achieved through setting goals, monitoring behavior and self-reward. For example: "During meals do you leave food on your plate once you feel full?" | 6 | 0.88 (0.84 to 0.91) | 0.75 | 6.69 | 9 | 0.67 | 0.99 | 0.00 |
Outcome expectations | Anticipated outcomes of healthy eating such as the benefits. For example: "Healthy eating can help me to control my weight". | 5 | 0.84 (0.79 to 0.88) | 0.72 | 14.67 | 5 | 0.01 | 0.97 | 0.10 |
Outcome expectancies | The value placed on anticipated outcomes of healthy eating. For example: "How important is controlling your weight to you?" | 5 | 0.89 (0.87 to 0.92) | 0.65 | 4.10 | 5 | 0.54 | 0.99 | 0.00 |
Intentions | Intention to eat healthily. For example: "... do you intend to choose reduced-fat foods and drinks whenever you have a choice?" | 6 | 0.83 (0.77 to 0.87) | 0.71 | 9.77 | 5 | 0.08 | 0.98 | 0.08 |