Table 1 The coverage of previous studies on food consumption between generations

One type of food^a

Aristei et al (2008) and Gustavsen and Rickertsen (2014)

Gustavsen and Rickertsen (2018b), Gustavsen et al (2014), Lee et al (2020)^b, Mori and Saegusa (2010) and Stewart and Blisard (2008)

Mori (2021, 2022)^d, Mori et al (2012) and Stewart et al (2012)

Many types of food

Bezerra et al. (2018), Blisard (2001)^b, Harris and Blisard (2000, 2001)^b and Vaterlaus et al. (2015)^d

Gustavsen and Rickertsen (2018a), Mori and Stewart (2011)^e and Otsuka et al (2014)

Beatty et al (2013), Kähäri (2021)^b and Schmeling (2014)^d

Specific intake

Yang (2020)^c

–

Christopher (2016);

Kähäri (2020)

Food away from/at home

Teisl et al (2016)

Drescher and Roosen (2013);

Zan and Fan (2010)

–