Table 1.

Associations between Children’s Background Characteristics and Major Variables of Interest

	Depressive Risk Group	Sex	Age
	t-statistic (or χ2)		r
Affective Indices
- Anger intensity	1.22	−1.55	−.43***
- Sadness expression (dichotomized)	χ2 = 1.06	χ2 = 3.35	−.32**
- Negative self-statements (dich.)	χ2 = 2.90	χ2 = .04	−.34***
Performance Indices
- Off-task (dich.)	χ2 = .64	χ2 = .01	−.28**
- # puzzles solved	−1.62	1.96	.53***
- Time to solve puzzles	2.13*	−2.17*	−.62***
Physiological Indices
- IBI recovery	−.24	−.33	−.02
- RSA recovery	−.64	−2.06*	−.10
Self-reported Depressive Symptoms	−.58	−.27	−.44***
Self-reported Rumination	−1.21	.16	−.24*

Risk Group: 0 = low risk; 1 = high risk. Sex: 0 = boys; 1 = girls. Sadness: 0 = none; 1 = expressed sadness. Negative self-statements: 0 = None; 1 = 1 or more. Off-task: 0 = persisted; 1 = off-task. IBI = interbeat interval. RSA = respiratory sinus arrhythmia.

^*p < .05.

^**p < .01.

^***p < .001.