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. Author manuscript; available in PMC: 2021 Jun 17.

Published in final edited form as: J Abnorm Child Psychol. 2020 Jan;48(1):109–121. doi: 10.1007/s10802-019-00581-y

Table 2.

Means, standard deviations, and bivariate correlations between major life events, positivity, sleep disturbances, depressive symptoms (n = 147)

Study Assessment	M (SD)	Correlations
Study Assessment	M (SD)	1.	2.	3.	4.	5.	6.	7.	8.	9.
Study enrollment
1. Positivity	3.67 (0.98)	1.00
2. Sleep disturbances	5.18 (3.1)	−0.30^**	1.00
2-year follow-up
3. Positivity	3.61 (1.00)	0.36^**	−0.21^*	1.00
4. Sleep disturbances	5.72 (2.93)	−0.04	0.47^**	−0.34^**	1.00
5. Depressive symptoms	15.14 (9.82)	−0.23^**	0.38^**	−0.59^**	0.46^**	1.00
4-year follow-up
6. Age	20.31 (0.69)	−0.01	0.07	−0.03	−0.07	−0.09	1.00
7. Positivity	3.62 (0.99)	0.31^**	−0.28^**	0.49^**	−0.22^**	−0.32^**	−0.04	1.00
8. Sleep disturbances	5.97 (2.90)	−0.11	0.37^**	−0.20^*	0.54	0.28^**	−0.06	−0.32^**	1.00
9. Major life events	3.12 (2.20)	−0.13	0.34^**	−0.16⁺	0.21^*	0.27^**	0.06	−0.16⁺	0.23^**	1.00
10. Depressive symptoms	14.86 (10.10)	−0.34^**	0.33^**	−0.39^**	0.21^*	0.45^**	−0.05	−0.65^**	0.40^**	0.27^**

^**

p < 0.01,

^*

p < 0.05,

⁺

p < 0.10