Table 4.
Factor loadings and α if item deleted for each item in dimensions of Skill domain after deletion of item 30, 34, 48, 49, and 62
| Items | Functional skills | Interactive skills | Advocacy | Critical analysis of information | Food label reading skills | Cronbach’s α if item deleted |
|---|---|---|---|---|---|---|
| 31. When buying meat, I can recognize its freshness and quality by Checking the appearance. | 0.484 | 0.072 | 0.140 | 0.132 | 0.212 | 0.813 |
| 32. If I have to eat fast Foods (due to lack of time or cooking facilities), I can choose the healthier one. | 0.342 | 0.137 | 0.224 | 0.053 | 0.350 | 0.819 |
| 33. I can buy groceries as much as I need, so that they do not get spoiled or wasted. | 0.296 | 0.090 | 0.076 | 0.061 | 0.414 | 0.824 |
| 35. I am familiar with the basic skills of cooking (e.g. sautéing, frying, stewing rice, using salt and spices, etc.) | 0.802 | 0.051 | 0.041 | 0.028 | 0.043 | 0.799 |
| 36. I know how to preserve foods through using methods such as drying or freezing. | 0.677 | 0.137 | 0.145 | 0.005 | 0.139 | 0.800 |
| 37. I can prepare tasty and healthy foods that me and my family like it. | 0.799 | 0.155 | 0.089 | 0.014 | 0.007 | 0.793 |
| 38. I easily can use cooking equipmentsuch as pressure cooker, stove, and oven. | 0.721 | 0.011 | 0.060 | 0.003 | 0.152 | 0.802 |
| 39. If some ingredients of a recipe are not available, I can change the recipe according to available ingredients. | 0.736 | 0.254 | 0.080 | 0.035 | 0.109 | 0.801 |
| 40. I can make yoghurt from milk. | 0.508 | 0.097 | 0.063 | 0.086 | 0.068 | 0.820 |
| 41. Have you ever experienced planting vegetables (e.g. basil, parsley or tomatoes) in the garden or pots? | 0.485 | 0.108 | 0.009 | 0.069 | 0.073 | 0.819 |
| 42. I can separate dry and wet food disposals. | 0.371 | 0.040 | 0.190 | 0.128 | 0.172 | 0.825 |
| 43. I have collected the nutritional information useful to me from different sources. | 0.224 | 0.668 | 0.128 | 0.022 | 0.146 | 0.644 |
| 44. I use the internet when I am searching information about diet and nutrition. | 0.047 | 0.452 | 0.142 | 0.114 | 0.097 | 0.720 |
| 45. I have changed my food habits based on the information I have got about nutrition. | 0.120 | 0.670 | 0.126 | 0.088 | 0.219 | 0.653 |
| 46. I usually follow TV or radio talk shows on nutrition. | 0.096 | 0.556 | 0.135 | 0.167 | 0.069 | 0.693 |
| 47. I follow information on characteristics of a balanced diet. | 0.141 | 0.643 | 0.140 | 0.209 | 0.128 | 0.656 |
| 50. I discuss my thoughts about diet with others (including family, friends, and doctors). | 0.124 | 0.556 | 0.195 | 0.013 | 0.027 | 0.679 |
| 51. If I go to grocery stores independently, I can easily ask the seller for the information I need. | 0.135 | 0.263 | 0.270 | 0.041 | 0.233 | 0.718 |
| 52. I can easily get involved in political discussion aiming at improving nutritional status of Iranian people. | 0.179 | 0.347 | 0.379 | 0.119 | 0.113 | 0.765 |
| 53. I am interested in taking an active role in activities aiming at promoting healthy diet. | 0.147 | 0.522 | 0.417 | 0.202 | -0.005 | 0.743 |
| 54. I expect my school or work place to serve healthy foods. | 0.075 | -0.053 | 0.730 | 0.006 | 0.263 | 0.751 |
| 55. I try to convince others (e.g., my family or friends) to eat healthy foods. | 0.069 | 0.402 | 0.600 | 0.027 | 0.085 | 0.738 |
| 56. It’s important for me various healthy foods to be available to choose in the school canteen. | 0.050 | 0.025 | 0.788 | 0.099 | 0.146 | 0.737 |
| 63 I am an environmentalist and willing to voluntarily work toward supporting Eco-friendly methods of food production. | 0.185 | 0.133 | 0.537 | 0.133 | 0.118 | 0.751 |
| 64. I am interested in voluntary activities to reduce unhealthy snacks and fast food availability in my neighborhood, school or workplace. | 0.180 | 0.256 | 0.624 | 0.068 | 0.185 | 0.727 |
| 57. I am usually influenced by nutritional recommendation made by my family and friends. | 0.036 | 0.278 | -0.305 | 0.378 | 0.121 | 0.609 |
| 58. I trust different diets that I read about in newspapers and magazines. | 0.019 | 0.203 | -0.099 | 0.750 | 0.008 | 0.521 |
| 59. I believe that the scientific findings on nutrition, food and diet discussed in mass media are correct. | -0.056 | 0.243 | -0.051 | 0.666 | 0.124 | 0.551 |
| 60. It’s difficult for me to distinguish between scientific and non-scientific materials about diet. | 0.138 | 0.108 | -0.003 | 0.473 | 0.032 | 0.648 |
| 61. The claims advertised by food manufacturers about the positive health effects of their food products are reliable. | 0.096 | 0.031 | 0.046 | 0.666 | 0.131 | 0.606 |
| 65. If you eat a package of cheese with the following label information, how much calories you will get from this product? | 0.007 | 0.177 | 0.043 | 0.198 | 0.469 | 0.614 |
| 66. Considering food labels of product 1 and product 2, which one is more appropriate for a person on a low calorie diet? | 0.112 | 0.035 | 0.044 | 0.073 | 0.641 | 0.319 |
| 67. Imagine you are in a grocery store and there are two kinds of yogurt which their food traffic lights labels are shown below; which product is a healthier choice? | 0.080 | 0.043 | 0.004 | 0.042 | 0.701 | 0.316 |
KaiserMeyerOlkin (KMO) was 0.844. P value for Bartlett’s Test of Sphericity was <0.001 (χ2=2932.35, Degree of freedom=351). Bold values are these numbers are factor loadings and for each item the highest value has been highlighted