Table 3.

Joint and conditional probabilities of bullying perpetration and narcissistic personality traits.

	Narcissistic personality traits
Bullying perpetration	High increasing	Moderate stable	Low decreasing
Probabilities of joint trajectory membershipa
Moderate stable	0.06 (n = 34)	0.10(n = 63)	0.02 (n = 14)
Low decreasing	0.17 (n = 106)	0.46(n = 284)	0.19 (n = 115)
Probabilities of bullying conditional on narcissistic traitsb
Moderate stable	0.26	0.20	0.10
Low decreasing	0.74	0.80	0.90
Probabilities of narcissistic traits conditional on bullyingc
Moderate stable	0.32	0.57	0.11
Low decreasing	0.22	0.54	0.24

^aCells total 1.

^bColumns total 1.

^cRows total 1.