Table 2.
Gluten-free (GF) labelled non-cereal products and the comparison of energy content and certain nutrients in GF-labelled vs. regular products for selected food categories.
| Food Category | N | GF (%) | Energy (kJ/100 g) | Sugar (g/100 g) | Salt (g/100 g) | Protein (g/100 g) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | P | Mean | SD | P | Mean | SD | P | Mean | SD | P | |||
| Meat and Meat Products | ||||||||||||||
| Processed meat and derivatives (N = 464) | ||||||||||||||
| GF | 67 | 14 | 972.5 | 575.5 | 0.04 | 0.6 | 0.5 | ns | 2.3 | 1.2 | ns | 17.1 | 6.3 | ns |
| Regular | 397 | 86 | 1111.2 | 496.5 | 0.5 | 0.4 | 2.4 | 1.5 | 17.4 | 7.2 | ||||
| Mean diff. | −138.7 | 0.1 | 0.0 | −0.3 | ||||||||||
| Sauces and spreads (N = 366) | ||||||||||||||
| GF | 39 | 11 | 1181.4 | 759.0 | ns | 13.8 | 17.8 | ns | 1.6 | 1.3 | ns | 4.7 | 4.6 | ns |
| Regular | 327 | 89 | 1132.0 | 948.5 | 11.6 | 16.8 | 2.2 | 3.2 | 3.9 | 4.5 | ||||
| Mean diff. | 49.3 | 2.1 | −0.6 | 0.8 | ||||||||||
| Dairy | ||||||||||||||
| Milk | ||||||||||||||
| Milk imitates (N = 89) | ||||||||||||||
| GF | 58 | 65 | 240.8 | 67.9 | ns | 5.2 | 2.7 | ns | 0.1 | 0.1 | 1.00 | 1.7 | 1.5 | ns |
| Regular | 31 | 35 | 217.9 | 59.7 | 4.2 | 2.2 | 0.1 | 0.0 | 1.8 | 1.4 | ||||
| Mean diff. | 22.9 | 0.9 | 0.0 | −0.1 | ||||||||||
| Fish and Fish Products | ||||||||||||||
| Canned fish and seafood (N = 157) | ||||||||||||||
| GF | 30 | 19 | 898.2 | 279.9 | ns | 1.9 | 1.9 | <0.01 | 1.1 | 0.3 | ns | 15.4 | 5.7 | <0.01 |
| Regular | 127 | 81 | 988.6 | 413.1 | 0.9 | 1.6 | 1.4 | 1.6 | 17.4 | 6.3 | ||||
| Mean diff. | −90.5 | 1.1 | −0.3 | −2.0 | ||||||||||
N—number of all products; SD—standard deviation; Mean diff.—mean difference; ns—non-significant.