Table 1 Search terms for the scoping literature review using Web of Science and Medline

· Cover* or insur* or uninsured

· Health

Privat*

· Mandat*

· Insurance coverage

· inequal* OR access* OR qualit*

· Deductible

· Criteri* AND (enrol* OR eligab*)

· Citizen* OR residen* OR immig*

· Income OR age-based

· Welfare

· Child*

· Elderly OR seniors OR age-based

· Disab*

· Chronic condition/chronic disease

· insur* OR cover* OR uninsured

· individual health insurance OR employer health insurance OR community rated premium OR individual risk insurance coverage tax or tax break

· Voluntary

· Enrol*

· Automat*

· Application

· Renewal

· Premium

· Copay*

· Co-pay*

· Cost-shar*

· Duplicat*

· Double

· parallel

· Complement*

· Supplement*

· Compuls*

· Mandat*

· Salutat*

· Regulat* OR enrol* OR risk adjustment OR cream skimming

·renew* or lifetime cover* or fee