Exploring the relation between visual mental imagery and affect in the daily life of previously depressed and never depressed individuals

Figures & data

Table 1. Baseline characteristics of previously and never depressed participants.

	Previously depressed (n = 10)	Never depressed (n = 11)
Age, median (range)	48 (33–65)	50 (21–60)
Female, n (%)	9 (90)	9 (82)
Marital status, n (%)
Single	3 (30)	3 (27)
Married/cohabiting	6 (60)	8 (72)
Divorced/widowed	1 (10)	0 (0)
Education ≥ college n (%)	5 (50)	6 (55)
Employed, n (%)	7 (70)	11 (100)
Current psychological treatment, n (%)	3 (30)	n.a.
Number of depressive episodes, median (range)	5 (3–6)	n.a.
4 to 6 previous episodes, n (%)	8 (80.0)	n.a.

Note: n.a. = not applicable.

Table 2. Parameter estimates from the multilevel models of the primary outcome measures.

	Momentary mood (happy-sad)	PA	NA
Fixed effects	B [95% CI]	B [95% CI]	B [95% CI]
Positive valence	−3.38 [−4.80, −1.97]**	4.52 [2.79, 6.25]**	−0.47 [−0.94, 0.01]
Negative valence	4.18 [1.50, 6.89]*	−2.92 [−4.75, −1.10]**	2.45 [1.16, 3.72]**
Imagery	−0.04 [−0.06, −0.02]**	0.07 [0.04, 0.11]**	−0.007 [0.04, 0.11]
Imagery*Positive valence	−0.02 [−0.06, 0.01]	−0.03 [−0.11, 0.05]	−0.01 [−0.04, 0.01]
Imagery*Negative valence	−0.06 [−0.15, 0.03]	−0.03 [−0.11, 0.06]	−0.04 [−0.07, −0.01]*
Random effects	SD2 [95% CI]	SD2 [95% CI]	SD2 [95% CI]
Positive valence		10.74 [4.89, 23.63]*
Negative valence	29.92 [13.36, 66.98]*		6.61 [2.34, 18.65]*

Notes: PA = positive affect, NA = negative affect. Positive and negative valence are dummy coded (0/1). Neutral valence is the reference category.

*p < .05, **p < .001.