Table 1.

Epidemiology updates

Key publications	Sample	Key findings
Bolhuis et al. (2021) [18••]	General population born in Finland in 1987 (N = 59,476)	Hospital presentation for self-harm associated with later psychotic or bipolar disorder, of those who presented prior at age 18, 29.1% went on to develop a psychotic or bipolar disorder by age 28
Tronick et al. (2023) [20]	NAPLS3: CHR (N = 684), CHR-C (N = 68), CHR-NC (N = 380)	CHR-C scored lower on the protective factors index, specifically on prosocial involvement and resilient personality traits
Barbato et al. (2022) [19]	NAPLS3: CHR (N = 710), CHR-C (N = 49), CHR-NC (N = 197)	Rates of conversion did not differ across migrant status groups
Salazar de Pablo et al. (2021) [7]	Meta-analysis 130 studies: CHR (N = 9222)	Age is not a moderator of transition risk

NAPLS North American Prodrome Longitudinal Studies, CHR clinical high risk, CHR-C clinical high risk converted, CHR-NC CHR non-converted