Sex-specific differences in trends were nominally significant (p < 0.05) in six countries—Benin, Kuwait, Argentina, Saint Vincent and the Grenadines, Thailand, and Guyana—but only two (Saint Vincent and the Grenadines and Thailand) remained statistically significant after Bonferroni correction.
Temporal trends in sex differences in suicidal ideation were observed in six countries, with five countries showing an adverse trend among girls compared to boys.
An increasing trend was identified in six countries, with the most substantial rise observed in Myanmar, followed by Guyana, Saint Vincent and the Grenadines, Mongolia, Bolivia, and Seychelles.