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Overall threshold model: proportion of youth with self-injury among those with zero to four or more stressful life events from ages 13 to 20. Asterisks represent p-value of the contrast between a particular number of events vs. zero events (reference) from a model that adjusted for sex, parental educational background, adolescent educational level at previous assessment, parental divorce by child age 11, and migration background. †p < 0.10; *p < 0.05, **p < 0.01, ***p < 0.001.
