Table 12.

Results: changes in fish consumption during national lockdowns compared to previous periods

	Fish		Fresh fish	Canned fish	Frozen fish	Dried fish	Fresh and frozen fish
References	Intake during lockdown compared to previous periods	Servings per week	Intake during lockdown compared to previous periods	Intake during lockdown compared to previous periods	Intake during lockdown compared to previous periods	Intake during lockdown compared to previous periods	Intake during lockdown compared to previous periods
Dragun (39) 2021		2 or more servings Before: 24.4% During: 32.8% (p<0.001)
Galali (41) 2021			Unchanged: 67.0% Increased: 12.0% Decreased: 21.0%	Unchanged: 74.1% Increased: 3.6% Decreased: 22.3%	Unchanged: 77.1% Increased: 2.0% Decreased: 20.9%
Giacalone (42) 2020	Unchanged: 75.8% Increased: 15.8% Decreased: 8.4% (cramer’s V: 0.07; p=0.003)
Pfeifer (40) 2021	Unchanged: 72.3% Increased: 12.5% Decreased: 15.2% (p=0.035)
Rodríguez-Pérez (36) 2020	Unchanged: 72.4% Increased: 7.2% Decreased: 20.4% (p<0.001)
Ruggiero (44) 2021				Unchanged: 83.5% Increased: 7.1% Decreased: 9.4% Overall percentage change: 2.3 (p<0.0016)		Unchanged: 83.2% Increased: 3.8% Decreased: 13% Overall percentage change: 9.2 (p<0.0001)	Unchanged: 63.3% Increased: 13.5% Decreased: 23.2% Overall percentage change: 9.7 (p<0.0001)
Sánchez-Sánchez (37) 2020		2 or fewer servings (1 serving=100–150g of fish or 4–5 pieces or 200g of seafood) Before: 76.1% During: 71.5% 3 or more servings (1 serving=100–150g of fish or 4–5 pieces or 200g of seafood) Before: 23.9% During: 28.4% (p<0.001)
Sulejmani (45) 2021	Unchanged: 72.0% Increased: 10.0% Decreased: 18.0% (p=0.102)