Table 2:

Benefits Codes

Sub-Code	Definition
Change in Benefit Perceptions	Participants’ reflections on how their perceptions of or their feelings about the benefits have changed
Economic Benefit	Perceived benefits of clinical trial participation as economic/financial
Household	Economic benefit is articulated as supporting family/bills/household
Investment	Clinical trial money is described as having an investment purpose (starting business, purchasing property such as cars or rentals, etc.)
Others	Clinical trial money is described as being used for or given to others (college tuition, sick relative, etc.)
Self	Clinical trial money is described as being used for personal consumption (new consumer item) or used for travel and vacation funds
Health Benefit	Clinical trials are seen as generating positive changes to personal health and increase in health-promoting behaviors; Screening perceived as providing important information about health
Networking Benefit	Participants perceive the development of relationships or friendships in clinical trials as a benefit
Personal Benefit	Participants describe a non-financial benefit to themselves, such as self-improvement, personal growth, lifestyle, flexibility, downtime/time away
Societal Benefit	Participants describe how their participation might help others who are sick and need medicine or might advance medicine more generally