Table 2.

Summary of findings—school-based prevention

Study (year)	↓SRBs			Knowledge and (or) attitudes			Risk factorsa			Protective factorsb			Help seeking
	D	A	I	↑	↓	NC	↓	↑	NC	↑	↓	NC	↑	↓	NC
Education of the public
Suicide awareness curricula
Ploeg et al (1996)21				✓			✓		✓	✓
Mann et al (2005)19		✓		✓						✓
Miller et al (2009)23	✓	✓		✓			✓		✓	✓		✓	✓
Takada and Shima (2010)24	✓			✓			✓			✓
Cusimano and Sameem (2011)25		✓		✓									✓
Katz et al (2013)26		✓		✓											✓
Skills training
Miller et al (2009)23				✓		✓	✓		✓	✓		✓	✓
Katz et al (2013)26		✓	✓	✓			✓		✓	✓		✓	✓
Education of professionals
Gatekeeper training
Isaac et al (2009)30				✓						✓
Katz et al (2013)26				✓						✓					✓
Postvention
Ploeg et al (1996)21									✓
Miller et al (2009)23	✓	✓
Screening (with and without suicide awareness curricula)
Miller et al (2009)23		✓		✓			✓			✓					✓
Takada and Shima (2010)24		✓		✓
Cusimano and Sameem (2011)25		✓		✓											✓
Katz et al (2013)26				✓									✓

A = attempt; D = death; I = ideation; NC = no change; SRB = suicide-related behaviour

^aIncludes hopelessness, depression, suicide risk, and loneliness

^bIncludes coping skills, problem solving, resiliency, empathy, and self-efficacy