Survey items
| Constructs | Item codes | Items | Mean | SD |
|---|---|---|---|---|
| Transparency | This brand app allows me to | |||
| TRANSP1 | a) Find vital information on product sustainability | 4.258 | 0.606 | |
| TRANSP2 | b) Read sustainability-related product information | 4.356 | 0.604 | |
| TRANSP3 | c) Access sustainability-related product information (e.g. material flows from suppliers to retailers) | 4.197 | 0.756 | |
| TRANSP4 | d) Overall, the openness of this brand app enhances transparency between the brand and its customers | 4.366 | 0.719 | |
| Traceability | This brand app allows me to | |||
| TRACE1 | a) Track product sustainability conveniently | 4.268 | 0.616 | |
| TRACE2 | b) Easily trace the origin of sustainable products | 4.237 | 0.758 | |
| TRACE3 | c) Easily trace the history of sustainable products | 4.007 | 0.832 | |
| TRACE4 | d) Easily verify all information ranging from the origin of a sustainable product to its sale | 4.075 | 0.799 | |
| TRACE5 | e) Track to have a better understanding of how all processes are sustainable | 4.020 | 0.794 | |
| Immutability | This brand app allows me to | |||
| IMMUT1 | a) believe that the sustainability related information provided on it is immutable | 3.593 | 0.937 | |
| IMMUT2 | b) count on it for sustainability related information based on data and information immutability | 3.814 | 0.821 | |
| IMMUT3 | c) ensure that the sustainability related information provided on it are not changed | 3.607 | 1.144 | |
| Efficiency | When using this brand app, I expect | |||
| EFF1 | a) To arrive at a decision for the most sustainable product fast | removed | ||
| EFF2 | b) To be able to save time | 3.593 | 0.735 | |
| EFF3 | c) To accomplish more tasks | 3.542 | 0.706 | |
| EFF4 | d) In general to be more efficient | 3.549 | 0.691 | |
| Social impression | Consuming sustainable products for which available information can be traced and verified using this brand app | |||
| S.IMPRSS1 | a) Would help me to feel acceptable | 3.054 | 1.053 | |
| S.IMPRSS2 | b) Would improve the way I am perceived | 2.932 | 1.071 | |
| S.IMPRSS3 | c) Would make a good impression of me on other people | 3.031 | 1.072 | |
| S.IMPRSS4 | d) Would give me social approval | 2.915 | 1.053 | |
| Trust | TRUST1 | I feel secure about relying on this brand app for information about a sustainable product | 3.786 | 0.806 |
| TRUST2 | I feel comfortable about relying on this brand app for information about a sustainable product | 3.925 | 0.723 | |
| TRUST3 | I feel content about relying on this brand app for information about a sustainable product | 3.837 | 0.728 | |
| TRUST4 | I do not feel comfortable about relying on this brand app for information about a sustainable product | 3.824 | 0.940 | |
| Sustainable information clarity | Information on a sustainable product, provided on this brand app | |||
| INFORM1 | a) Is helpful for me to evaluate the sustainability of the product that I was planning to buy | 4.115 | 0.746 | |
| INFORM2 | b) Is helpful to familiarize myself with the sustainability of the product that I was planning to buy | 4.200 | 0.706 | |
| INFORM3 | c) Is helpful for me to understand the performance of the sustainable product that I was planning to buy | 3.844 | 0.779 | |
| INFORM4 | d) Is more helpful in influencing my overall evaluation of the sustainable product | 4.024 | 0.761 | |
| Consumers’ purchase intention | P.INT1 | I would consider purchasing a sustainable product from this brand | 3.922 | 0.730 |
| P.INT2 | I would purchase a sustainable product from this brand | 3.675 | 0.734 | |
| P.INT3 | I would expect to buy a sustainable product from this brand | 3.610 | 0.836 | |
| P.INT4 | If a product were competitively sustainable, I would consider buying it from this brand | 3.993 | 0.718 | |
| P.INT5 | If a product were significantly more sustainable at this brand app than at a better-known brand app, I would consider buying it from this brand | 3.875 | 0.782 | |
| Constructs | Item codes | Items | Mean | SD |
|---|---|---|---|---|
| Transparency | ||||
| TRANSP1 | a) Find vital information on product sustainability | 4.258 | 0.606 | |
| TRANSP2 | b) Read sustainability-related product information | 4.356 | 0.604 | |
| TRANSP3 | c) Access sustainability-related product information (e.g. material flows from suppliers to retailers) | 4.197 | 0.756 | |
| TRANSP4 | d) Overall, the openness of this brand app enhances transparency between the brand and its customers | 4.366 | 0.719 | |
| Traceability | ||||
| TRACE1 | a) Track product sustainability conveniently | 4.268 | 0.616 | |
| TRACE2 | b) Easily trace the origin of sustainable products | 4.237 | 0.758 | |
| TRACE3 | c) Easily trace the history of sustainable products | 4.007 | 0.832 | |
| TRACE4 | d) Easily verify all information ranging from the origin of a sustainable product to its sale | 4.075 | 0.799 | |
| TRACE5 | e) Track to have a better understanding of how all processes are sustainable | 4.020 | 0.794 | |
| Immutability | ||||
| IMMUT1 | a) believe that the sustainability related information provided on it is immutable | 3.593 | 0.937 | |
| IMMUT2 | b) count on it for sustainability related information based on data and information immutability | 3.814 | 0.821 | |
| IMMUT3 | c) ensure that the sustainability related information provided on it are not changed | 3.607 | 1.144 | |
| Efficiency | ||||
| EFF1 | a) To arrive at a decision for the most sustainable product fast | removed | ||
| EFF2 | b) To be able to save time | 3.593 | 0.735 | |
| EFF3 | c) To accomplish more tasks | 3.542 | 0.706 | |
| EFF4 | d) In general to be more efficient | 3.549 | 0.691 | |
| Social impression | ||||
| S.IMPRSS1 | a) Would help me to feel acceptable | 3.054 | 1.053 | |
| S.IMPRSS2 | b) Would improve the way I am perceived | 2.932 | 1.071 | |
| S.IMPRSS3 | c) Would make a good impression of me on other people | 3.031 | 1.072 | |
| S.IMPRSS4 | d) Would give me social approval | 2.915 | 1.053 | |
| Trust | TRUST1 | I feel secure about relying on this brand app for information about a sustainable product | 3.786 | 0.806 |
| TRUST2 | I feel comfortable about relying on this brand app for information about a sustainable product | 3.925 | 0.723 | |
| TRUST3 | I feel content about relying on this brand app for information about a sustainable product | 3.837 | 0.728 | |
| TRUST4 | I do not feel comfortable about relying on this brand app for information about a sustainable product | 3.824 | 0.940 | |
| Sustainable information clarity | ||||
| INFORM1 | a) Is helpful for me to evaluate the sustainability of the product that I was planning to buy | 4.115 | 0.746 | |
| INFORM2 | b) Is helpful to familiarize myself with the sustainability of the product that I was planning to buy | 4.200 | 0.706 | |
| INFORM3 | c) Is helpful for me to understand the performance of the sustainable product that I was planning to buy | 3.844 | 0.779 | |
| INFORM4 | d) Is more helpful in influencing my overall evaluation of the sustainable product | 4.024 | 0.761 | |
| Consumers’ purchase intention | P.INT1 | I would consider purchasing a sustainable product from this brand | 3.922 | 0.730 |
| P.INT2 | I would purchase a sustainable product from this brand | 3.675 | 0.734 | |
| P.INT3 | I would expect to buy a sustainable product from this brand | 3.610 | 0.836 | |
| P.INT4 | If a product were competitively sustainable, I would consider buying it from this brand | 3.993 | 0.718 | |
| P.INT5 | If a product were significantly more sustainable at this brand app than at a better-known brand app, I would consider buying it from this brand | 3.875 | 0.782 | |
Note(s): *SD; Standard deviation
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