Supplemental Table 1. Details of the Washing and Drying Machine Brands from a Background

Washing (unless stated differently) machine brand / Age of the washing machine / Most commonly used laundry powder / Most commonly used washing temperature / Location: private house/public place
Samsung top loader / 2 years old / Cold Power / cold wash / private house
Simpson / 3 years old / Omo / 400C / private house
Bosch front loader / 6 months / Biozet + Oxi action / warm / private house
LG / unknown / Omo liquid / unknown / private house
LG / 3 years old / unknown / unknown / private house
Hoover / 5 years old / Fab / hot / private house
Fisher Paykel / 12 days / Fab / warm / private house
Euromaid / 1 year old / Coles / warm / private house
Maytag front loader / 8 years old / Dynamo max+ Cold power / 450C / private house
LG / unknown / EcoMax / cold / private house
Fisher Paykel top loader / unknown / Fab / cold / private house
Fisher Paykel front loader / unknown / Cold Power / unknown / private house
Hitachi / unknown / unknown / unknown / private house
National / unknown / Omo / cold / private house
Bosch / unknown / Dynamo / 400C / private house
Fisher & Paykel drying machine / more than 5 years old / NA / NA / private house
Simpson drying machine / unknown / NA / NA / private house
Fisher & Paykel drying machine / unknown / NA / NA / public place
Time saver combined washing & drying machine / unknown / unknown / unknown / public place
Time saver combined washing & drying machine / unknown / unknown / unknown / public place

Supplemental Table 1. Details of the washing and drying machine brands from a background DNA experiment. None of the extracted DNA samples produced detectable DNA profiles.