Table 1.

Descriptive characteristics by country.

	Sample size (%)
	USA	Australia	Canada	Germany	Italy	UK
Age
18-24	664 (11.7)	32 (6.6)	339 (7.5)	152 (9.7)	273 (4.8)	247 (15.7)
25-34	1175 (20.8)	87 (18.0)	708 (15.7)	325 (20.7)	1662 (29.3)	363 (23.0)
35-44	967 (17.1)	87 (18.0)	881 (19.6)	321 (20.5)	1179 (20.7)	307 (19.5)
45-54	846 (14.9)	92 (19.0)	801 (17.8)	308 (19.7)	1032 (18.2)	261 (16.6)
55-64	1016 (17.9)	75 (15.5)	1064 (23.6)	294 (18.8)	954 (16.8)	218 (13.8)
65-74	813 (14.4)	92 (19.0)	581 (12.9)	147 (9.4)	465 (8.2)	137 (8.7)
75-84	156 (2.8)	16 (3.3)	118 (2.6)	19 (1.2)	117 (2.1)	40 (2.5)
85+	24 (.4)	3 (.6)	10 (.2)	1 (.1)	0 (.0)	2 (.1)
Gender
Female	4421 (75.7)	361 (74.6)	3658 (77.2)	801 (51.1)	4256 (74.9)	816 (51.8)
Male	1250 (21.4)	113 (23.3)	983 (20.8)	763 (48.7)	1427 (25.1)	752 (47.7)
Non-binary	172 (2.9)	10 (2.1)	96 (2.0)	3 (.2)	0 (.0)	7 (.4)
Education
< High school	61 (1.0)	23 (4.8)	84 (1.8)	233 (14.9)	–	53 (3.4)
High school	543 (9.3)	68 (14.0)	510 (10.8)	247 (15.8)	–	344 (21.8)
Some college	1124 (19.2)	121 (25.0)	776 (16.4)	76 (4.9)	–	250 (15.9)
College	2234 (38.3)	120 (24.8)	1697 (35.8)	339 (21.6)	–	416 (26.4)
Professional	1388 (23.8)	134 (27.7)	1405 (29.6)	618 (39.4)	–	98 (6.2)
Doctorate	491 (8.4)	18 (3.7)	267 (5.6)	53 (3.4)	–	0 (.0)
Socioeconomic status, %
Lowest 10	484 (8.3)	55 (11.4)	355 (7.5)	75 (4.8)	–	101 (6.4)
10-30	1389 (23.8)	110 (22.7)	1011 (21.3)	340 (21.7)	–	384 (24.4)
Mid 30-60	2589 (44.3)	265 (54.8)	2237 (47.2)	865 (55.2)	–	800 (50.8)
60-80	1167 (20.0)	46 (9.5)	993 (21.0)	253 (16.1)	–	236 (15.0)
Above 80	214 (3.7)	8 (1.7)	141 (3.0)	34 (2.2)	–	54 (3.4)
Relationship status
Any	2882 (49.4)	164 (33.9)	2895 (61.1)	892 (56.9)	–	919 (58.3)
None	2938 (50.3)	320 (66.0)	1813 (38.3)	673 (42.9)	–	655 (41.6)

In the Italian sample, no data was collected on education, socioeconomic status, and relationship status.