Table 1.

Bivariate correlations and descriptive statistics

	1.	2.	3.	4.	5.	6.	7.	8.	9.
1. Pubertal development – baseline	–
2. Peer stress – Time 1	.13	–
3. Peer stress – Time 2	.08	.55**	–
4. Parent–child stress – Time 1	.17*	.30**	.29**	–
5. Parent–child stress – Time 2	.15	.19*	.36**	.56**	–
6. Romantic stress – Time 1	.07	.40**	.26**	.25**	.14	–
7. Romantic stress – Time 2	.19*	.17*	.32**	.05	.28**	.36**	–
8. NSSI – Time 1	.16*	.22*	.16*	.15	.24**	.03	.18*	–
9. NSSI – Time 2	.11	.08	.15	.08	.14	.01	.16	.43**	–
N	220	163	151	163	151	163	150	212	161
Mean	3.38	2.55	2.43	2.73	2.49	2.36	2.40	2.21	1.05
Standard deviation	.46	1.15	1.15	1.13	1.10	.87	.87	9.73	2.69
Range	1.70–4.00	1–5	1–5	1–5	1–5	1–5	1–5	0–103	0–28
Percentage missing	0%	25.9%	31.4%	25.9%	31.4%	25.9%	31.8%	3.6%	26.8%

Note. NSSI: nonsuicidal self-injury.

^*p < .05.

^**p < .01.