Table 1.

Participant characteristics by vaccination status.

	Unvaccinated (n = 1853)	Vaccinated (n = 2599)
Gender (% female/male/non-binary)	45/53/1	53/46/1
Mean age in years (SD)	27.96 (8.79)	32.22 (11.48)
Highest level of education (% secondary/undergraduate/postgraduate)	32/52/16	28/50/22
Mean rating of relative incomea (SD)	36.31 (23.8)	40.39 (23.97)
Essential worker (% yes)	15	27
Mean psychological distress index score (SD)	0.11 (1.89)	− 0.08 (1.89)
Delay discounting (AuC)	0.38 (0.25)	0.41 (0.25)

^a100-point scale, where 0 = low, 50 = medium, and 100 = high relative to others in the participants’ country/region.

AuC area-under-the-curve (range, 0–1), undergrad undergraduate degree or professional equivalent, postgrad postgraduate degree (e.g., Masters, PhD), SD standard deviation.