Table 3.
Methodology of studies on household food waste.
| Study | Region | Measurement Methodology | Sample Size | Time of Data Collection |
|---|---|---|---|---|
| Li et al. (2022) | China | Survey | 1006 consumers | June 2020 |
| Vittuari et al. (2021) | Italy | Survey | 1500 Consumers | May 2020 |
| Kubíčková et al. (2021) | Czech | Food Diaries, Survey and Interviews | 900 households | Summer 2019 – Spring 2020 |
| Lahath et al. (2021) | Malaysia | Survey | 274 consumers | April–May 2020 |
| Hassen et al. (2021a) | Russia | Survey | 1297 consumers | October–November 2020 |
| Babbitt et al. (2021) | USA | Survey | 300 consumers | March–July 2020 |
| Armstrong et al. (2021) | UK | Survey | 473 consumers | March 2020 |
| Brzustewicz and Singh (2021) | No Specific Country | Secondary Data | 13,635 Tweets | July 2021 |
| Liu et al. (2021) | Thailand | Survey | 222 Consumers | June 2020 |
| Hassen et al. (2021) | Bosnia | Survey | 3133 Consumers | October–November 2020 |
| Filho et al. (2021) | 23 Countries | Survey | 204 consumers | August–November 2020 |
| Cequea et al. (2021) | Peru and Brazil | Survey | 418 consumers | May 2020 |
| Scharadin et al. (2021) | USA | Secondary Data | Not Applicable | Not Mentioned |
| Rodgers et al. (2021) | USA and Italy | Survey | 478 consumers (USA) 476 consumers (Italy) |
April 2020 |
| Burlea-Schiopoiu et al. (2021) | Romania | Survey | 375 Students | Not mentioned |
| Schmitt et al. (2021) | Brazil | Survey | 458 consumers | May 2020 |
| Vidal-mones et al. (2021) | Spain | Survey | 6293 consumers | May–June 2020 |
| Roe and Bender (2021) | Not Applicable | Review | Not Applicable | Not Applicable |
| Scacchi et al. (2021) | Italy | Survey | 1865 consumers | May 2020 |
| Cosgrove et al. (2021) | USA | Survey | 946 consumers | October 2020 |
| Amicarelli and Bux (2021) | Italy | Food Diaries | 15 households | March–May 2020 |
| Laila et al. (2021) | Canada | Survey, Food Diaries, and Interviews | 19 households | February–March 2020 and July–August 2020 |
| Berjan et al. (2021) | Serbia | Survey | 1212 consumers | May–June 2020 |
| Massari et al. (2021) | No Specific Country | Secondary Data | Not Applicable | Not mentioned |
| Profeta et al. (2021) | Germany | Survey | 973 consumers | April 2020 |
| Bender et al. (2021) | USA | Survey | 396 consumers | July 2020 |
| Filimonau et al. (2021) | UK | Survey and Interviews | 205 consumers | June–July 2020 |
| Amicarelli et al. (2021) | Italy | Survey | 831 consumers | November 2020 |
| Everitt et al. (2021) | UK and Canada | Food Diaries | 100 households | June 2020 |
| Yetkin Özbük et al. (2021) | Turkey | Survey | 511 consumers | January 2021 |
| Hassen et al. (2021b) | Lebanon | Survey | 201 consumers | July–August 2020 |
| Vargas-Lopez et al. (2021) | Mexico | Survey | 538 households | December 2020–January 2021 |
| Pappalardo et al. (2020) | Italy | Survey | 1188 consumers | April 2020 |
| Qian et al. (2020) | Japan | Survey | 1959 consumers | July 2020 |
| Aldaco et al. (2020) | Spain | Secondary Data | Not Applicable | March–April 2019 |
| Hassen et al. (2020) | Qatar | Survey | 579 consumers | May–June 2020 |
| Jribi et al. (2020) | Tunisia | Survey | 284 Consumers | March–April 2020 |
| Pires et al. (2020) | Portugal | Survey | 841 consumers | May–June 2020 |
| Principato et al. (2020) | Italy | Survey | 1078 Consumers | March–April 2020 |