Table 5.
Food purchase, knowledge and use of nutritional information.
| Sample | Segment 1 | Segment 2 | Segment 3 | |
|---|---|---|---|---|
| Food purchase | ||||
| Who is doing the groceries in your household? Always me (%) * | 37.19 | 47.83 | 36.17 | 21.43 |
| Importance attached when buying food to these aspects (average) | ||||
| Convenience | 4.64 | 4.72 | 4.80 | 4.25 |
| Price ** | 5.36 | 5.67 a | 5.11 b | 5.29 b |
| Health ** | 5.63 | 5.74 a | 5.81 a | 5.14 b |
| Taste | 5.79 | 5.85 | 5.74 | 5.75 |
| Familiarity | 4.83 | 4.72 | 5.02 | 4.71 |
| Natural ingredients *** | 5.29 | 5.37 a | 5.62 a | 4.61 b |
| Calorie/sugar/fat content *** | 5.20 | 5.46 a | 5.66 a | 4.00 b |
| Consumption Frequency (once a day or more) (%) | ||||
| Breakfast cereals | 17.36 | 23.92 | 17.03 | 10.71 |
| Breakfast biscuits * | 29.76 | 26.09 a | 44.68 b | 25.00 a |
| Objective nutritional knowledge (% right answers) | ||||
| Calcium | 86.26 | 82.61 | 91.49 | 96.43 |
| Salt | 95.87 | 97.83 | 91.49 | 100.0 |
| Fiber | 95.87 | 95.65 | 97.87 | 92.86 |
| Saturated fats * | 87.60 | 80.43 a | 95.74 b | 85.71 c |
| Sugar | 72.73 | 73.91 | 74.47 | 67.86 |
| Calories | 61.98 | 60.87 | 63.83 | 60.71 |
| Fats | 66.94 | 67.39 | 59.57 | 78.57 |
| Use of nutritional information (%) | ||||
| I usually pay attention to nutrition information when I see it in an ad or elsewhere *** | 4.88 | 4.96 a | 5.51 b | 3.68 c |
| I use nutrition information on the label when making most of my food selections ** | 4.85 | 4.96 a | 5.19 a | 4.11 b |
| I do not spend much time in the supermarket reading nutrition information * | 3.62 | 3.28 a | 3.57 a | 4.25 b |
| I read about nutrition in magazines and books *** | 4.03 | 4.43 a | 4.43 a | 2.71 b |
Note: ***, **, * denotes statistical significance at 1%, 5%, and 10%, respectively. a–c Superscript letters indicate that group means are different for continuous variables using Bonferroni Test and that the percentages are different for discrete variables using χ2-square Test.