Scales and items
| Scale | Items | Reference | α NBa | α PLb |
|---|---|---|---|---|
| Perceived health |
| Kozup et al. (2003) | 0.891 | 0.886 |
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| Taste |
| Peryam and Pilgrim (1957) | 0.873 | 0.881 |
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| Naming |
| Zhang and Schmitt (2001) | 0.890 | 0.886 |
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| Health adv |
| Jin and Lutz (2013) | – | – |
| Health information |
| Mason et al. (2001) | 0.880 | 0.868 |
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| Perceived health risk of the category |
| González Mieres et al. (2006) | 0.820 | |
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| Diet (health commitment) |
| Moorman and Matulich (1993) | 0.844 | |
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| Brand trust |
| Herbst et al. (2012) | 0.865 | 0.854 |
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| Product familiarity |
| Freling et al. (2011) | 0.943 | |
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| Scale | Items | Reference | α NB | α PL |
|---|---|---|---|---|
| Perceived health | 0.891 | 0.886 | ||
| Taste | 0.873 | 0.881 | ||
| Naming | 0.890 | 0.886 | ||
| Health adv | – | – | ||
| Health information | 0.880 | 0.868 | ||
| Perceived health risk of the category | 0.820 | |||
| Diet (health commitment) | 0.844 | |||
| Brand trust | 0.865 | 0.854 | ||
| Product familiarity | I know the products | 0.943 | ||
I am familiar with the products | ||||
I have enough information to evaluate the products | ||||
Cronbach's Alpha of the scales for the national brands' perceptions
Cronbach's Alpha of the scales for the private labels' perceptions
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