Table 1.

Crude and adjusted prevalence rates of mental health outcomes at T1 and T2 in the whole sample (n = 68,891 at T1; n = 22,540 at T2) and detailed prevalence rates according to gender and degree.

	Characteristics			Mental health outcomes
	Target population	Study sample		Stress (PSS >26)		Anxiety (STAI-Y2 >55)		Depression (BDI >15)		Suicidal thoughts
		T1	T2	T1	T2	T1	T2	T1	T2	T1	T2
Crude prevalence rate [95%CI] including non-binary students		N = 68,891	N = 22,540	24.8 [24.4–25.1]	21.7 [21.2–22.3]	27.5 [27.1–27.8]	22.1 [21.6–22.7]	16.1 [15.8–16.4]	13.9 [13.5–14.4]	11.4 [11.2–11.7]	13.2 [12.7–13.6]
Crude prevalence rate [95%CI] excluding non-binary students		N = 68,106	N = 22,205	24.5 [24.2–24.8]	21.4 [20.9–22.0]	27.2 [26.9–27.5]	21.8 [21.2–22.3]	15.8 [15.5–16.1]	13.7 [13.2–14.1]	11.0 [10.8–11.3]	12.7 [12.3–13.2]
Standardized prevalence rate [95%CI]	N = 1,635,350	N = 68,106	N = 22,205	22.4 [22.1–22.7]	20.1 [19.6–20.6]	25.5 [25.2–25.8]	20.8 [20.3–21.4]	14.3 [14.1–14.6]	12.6 [12.2–13.1]	10.6 [10.3–10.8]	12.3 [11.8–12.7]
Bachelor, n (%)
Men	423,923 (25.9)	14,250 (20.9)	4,462 (20.1)	2,071 (14.5)	633 (14.2)	2,349 (16.5)	643 (14.4)	1,702 (11.9)	520 (11.6)	1,425 (10.0)	521 (11.7)
Women	573,542 (35.1)	40,521 (59.5)	12,717 (57.3)	11,430 (28.2)	3,014 (23.7)	12,370 (30.5)	3,001 (23.6)	7,347 (18.1)	1,971 (15.5)	4,744 (11.7)	1,713 (13.5)
Master, n (%)
Men	234,829 (14.3)	3,266 (4.8)	1,207 (5.4)	515 (15.8)	176 (14.6)	652 (20.0)	215 (17.8)	339 (10.4)	120 (9.9)	298 (9.1)	134 (11.1)
Women	347,872 (21.3)	8,658 (12.7)	3,217 (14.5)	2,419 (27.9)	819 (25.5)	2,811 (32.5)	845 (26.3)	1,265 (14.6)	371 (11.5)	897 (10.4)	394 (12.2)
Doctorate, n (%)
Men	28,365 (1.7)	463 (0.7)	187 (0.8)	59 (12.7)	24 (12.8)	80 (17.3)	32 (17.1)	35 (7.6)	14 (6.9)	55 (11.9)	15 (8.0)
Women	26,819 (1.6)	948 (1.4)	415 (1.9)	195 (20.6)	97 (23.4)	270 (28.5)	96 (23.1)	82 (8.6)	41 (9.9)	93 (9.8)	46 (11.1)