Table 1.

Socio-demographic questionnaire.

Questions	Response options
Age	18-39
Gender	Male Female
Main language spoken in your home?	Afrikaans IsiZulu SiSwati English Northern Sotho Tshivenda IsiNdebele Sesotho Xitsonga IsiXhosa Setswana other
What is the main material that the walls of your house are built of?	Brick house owned by family Brick house that family is renting Flat owned by family Flat that family is renting RDP house Hostel-brick Shack-informal settlement Shack-backyard Other
What is the highest level of formal education you have completed?	No formal education, Incomplete primary school (up to grade 7) Complete primary school (completed grade 7) Incomplete high school (up to grade 12) Complete high school (completed grade 12) Incomplete post-high school training (trade or technical training, college, or university) Complete post-high school training (trade or technical training, college, or university) Other