Table 1

Summary of scoping review of primary prevention modelling studies for asthma

Study	Model	Time horizon	Perspective	Population	Intervention	Comparator
Yieh et al22	Decision-tree	Birth to age 18	Healthcare and societal	Offspring of pregnant smokers	Vitamin C supplement	Standard prenatal vitamin
Ditkowsky et al23	Markov	Birth to age 20	Societal	US population	Varicella vaccination	No universal varicella vaccination
Ramos et al24	Decision-tree	Birth to age 6	Healthcare system	Unborn children	Uni and multi-faceted primary prevention	Usual care
Ramos et al25	Decision-tree	Birth to age 6	Healthcare system	Unborn children	Uni and multi-faceted primary prevention	Usual care