Table 2.

The search strategy.

Question	MeSH term	Strategy
Population	“Adolescent”	(“Adolescent”) OR (“adult”) OR (“adult, young”) OR (“middle aged”) OR (“aged”) OR (“aged, 80”)
	“Adult”
	“Adult, young”
	“Middle aged”
	“Aged”
	“Aged, 80”
Intervention	“Risk factor”	(“Risk factor”) OR (“risk factors”) OR (“genetic factors”) OR (“cardiovascular risk factor”) OR (“metabolic syndrome”) OR (“lifestyle factors”) OR (“physical inactivity”) OR (“sedentary lifestyle”) OR (“anthropometric”) OR (“environmental factors”) OR (“sociodemographic”) OR (“social determinants of health”)
	“Risk factors”
	“Genetic factors”
	“Cardiovascular risk factor”
	“Metabolic syndrome”
	“Lifestyle factors”
	“Physical inactivity”
	“Sedentary lifestyle”
	“Anthropometric”
	“Environmental factors”
	“Sociodemographic”
	“Social determinants of health”
Outcome	“Non-alcoholic fatty liver disease”	(“Non-alcoholic fatty liver disease”) OR (“NAFLD”) OR (“metabolic dysfunction-associated fatty liver”) OR (“MAFLD”) OR (“nonalcoholic steatohepatitis”) OR (“NASH”) OR (“liver steatosis”) OR (“fatty liver”)