Table 1.

Variables in the research.

Entity and variable		Description	Source of variable code
Patient (for whom funds are being raised in the campaign)
	Gender	Gender refers to the gender of the patient for whom the campaign is developed (M: male, F: female)	Directly from the data source
	Age	Age refers to the age of the patient for whom the campaign is developed. People below the age of 18 years are considered children, while others are considered adults (C: children, A: adult)	Directly from the data source
Campaign
	Group picture	Represents a picture that is posted in the campaign. If there is a single person in the picture, it is deemed to be a single picture. All other pictures are categorized as a group picture (G: group picture; S: single picture)	Manual review of data
	Status	Status provides details regarding the picture of the patient (P: picture in which the patient appears healthy and not in a medical setting; N: picture in which the patient appears ill and in a medical setting)	Manual review of data
	Position	Websites have multiple pages. Therefore, campaigns on the homepage are marked as position 0. Those on successive pages are marked with successive numbers (0-333)	Manual review of data
	Location	The geographical location of the fundraiser (city)	Directly from the data source
	Goal	The dollar amount that is sought through the campaign (US$)	Directly from the data source
	Length of fundraising	The time period for which the campaign has been active (months)	Directly from the data source
	Amount raised	Amount raised denotes the total dollar amount that the campaign generated (US$)	Directly from the data source
	Facebook shares	Number of people who shared the campaign link on their Facebook page (#)	Directly from the data source
	Favorite hearts	The number of people who liked the campaign on GoFundMe. This shows support toward the campaign (#)	Directly from the data source
Donor
	Number of donors	Number of people who donated to a campaign (#)	Directly from the data source