Table 1.

Summary of participant demographics.

	Incomplete (N = 1851)	Complete (N = 588)	p-Value
Sex
Male	604 (32.6%)	371 (63.1%)	<.001
Female	700 (37.8%)	215 (36.6%)
Missing	547 (29.6%)	2 (0.3%)
Age (years)
Mean (SD)	43.8 (12.1)	45.0 (10.7)	.020
Median [min, max]	44.0 [18.0, 99.0]	46.0 [21.0, 69.0]
Missing	540 (29.2%)	0 (0%)
Education
Lower secondary school	112 (6.1%)	31 (5.3%)	.044
Intermediate secondary school	474 (25.6%)	205 (34.9%)
Upper secondary school	226 (12.2%)	105 (17.9%)
College/university or technical college	484 (26.1%)	243 (41.3%)
Missing	555 (30.0%)	4 (0.7%)
Monthly household income (euros/month)
0–999	126 (6.8%)	20 (3.4%)	<.001
1000–1999	231 (12.5%)	87 (14.8%)
2000–2999	288 (15.6%)	139 (23.6%)
3000–3999	275 (14.9%)	123 (20.9%)
4000–4999	203 (11.0%)	119 (20.2%)
5000–5999	96 (5.2%)	57 (9.7%)
6000–6999	92 (5.0%)	43 (7.3%)
Missing	540 (29.2%)	0 (0%)
T0 Extraversion
Mean (SD)	4.33 (1.26)	4.23 (1.32)	.147
Median [min, max]	4.25 [1.00, 7.00]	4.00 [1.00, 7.00]
Missing	928 (50.1%)	0 (0%)
T0 Agreeableness
Mean (SD)	4.26 (1.05)	4.33 (1.07)	.229
Median [min, max]	4.25 [1.25, 7.00]	4.25 [1.00, 7.00]
Missing	928 (50.1%)	0 (0%)
T0 Conscientiousness
Mean (SD)	5.12 (0.999)	5.22 (0.997)	.057
Median [min, max]	5.00 [1.50, 7.00]	5.25 [2.50, 7.00]
Missing	928 (50.1%)	0 (0%)
T0 Emotional stability
Mean (SD)	4.61 (1.26)	4.74 (1.33)	.075
Median [min, max]	4.75 [1.00, 7.00]	4.75 [1.00, 7.00]
Missing	928 (50.1%)	0 (0%)
T0 Openness to experience
Mean (SD)	4.66 (1.07)	4.70 (1.06)	.474
Median [min, max]	4.60 [1.20, 7.00]	4.60 [1.20, 7.00]
Missing	928 (50.1%)	0 (0%)
T1 Perceived stressfulness
Mean (SD)	2.82 (1.01)	2.92 (1.00)	.127
Median [min, max]	2.75 [1.00, 5.00]	3.00 [1.00, 5.00]
Missing	1439 (77.7%)	0 (0%)