“…Participants were able to identify some potential indoor environmental triggers across the majority of included studies. 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 A mixed methods study reported that 77% of 200 parents of 5–12‐year‐olds with asthma, avoided some indoor environmental triggers suggesting recognition, although most identified ETS and dust. 52 Parents and CYP with asthma were asked to rank triggers by impact in an American study with socioeconomically disadvantaged families; ETS, dust and cockroaches were believed to have the highest impact, followed by pets, mould and dry heat.…”