Table 3.

Intervention Outcomes

	Baseline M (SE)	Post intervention M (SE)	Overall Effect: Condition × Time Interaction (β11)	Cohen’s d (CI)
PROMIS depression
LEAF	65.85 (2.02)	55.18 (2.08)	β11 = −4.70, t(141) = −2.28, p = .02	−.25 (−.55,.06)
Control	65.62 (2.04)	59.65 (2.15)
PROMIS Mental Health
LEAF	37.4 (4.10)	39.8 (4.10)	β11 = −.08, t(160) = −0.70, p = .49	.21 (−.09,.52)
Control	39.8 (4.10)	39.8 (4.10)
PROMIS Physical Health
LEAF	42.3 (4.20)	44.9 (4.30)	β11 = 0.59, t(146) = 2.24, p = .03	.24 (−.07,.54)
Control	44.9 (4.30)	44.9 (4.30)
NeuroQOL Anxiety
LEAF	52.15 (1.63)	44.64 (1.68)	β11 = −5.04, t(145) = −2.63, p = .009	−.32 (−.63,−.02)
Control	51.38 (1.65)	48.91 (1.76)
Zarit Caregiver Burden
LEAF	42.19 (1.58)	38.18 (1.60)	β11 = −2.38, t(142) = −1.86, p = .066	−.16 (−.46,.14)
Control	42.18 (1.59)	41.13 (1.65)
Caregiver Strain
LEAF	8.40 (0.33)	8.46 (0.33)	β11 = .05, t(160) = 0.33, p = .74	.01 (−.30,.30)
Control	8.061 (0.35)	8.55 (0.33)
Dementia Scale
LEAF	23.12 (1.07)	23.42 (1.09)	β11 = −0.27, t(154) = −0.37, p = .71	−0.03 (−.33, 27)
Control	22.49 (1.09)	23.06 (1.10)
DES Positive
LEAF	4.64 (0.16)	4.86 (0.16)	β11 = .84, t(148) = 4.03, p < .001	.58 (.27,.88)
Control	4.92 (0.17)	4.31 (0.17)
DES Negative
LEAF	3.66 (0.13)	2.6 (0.13)	β11 = −.27, t(148) = −1.51, p = .13	−.22 (−.52,.08)
Control	3.70 (0.13)	2.91 (0.14)
Positive Aspects of Caregiving
LEAF	35.92 (1.09)	39.04 (1.12)	β11 = 3.59, t(140) = 4.42, p = .001	.35 (.05,.66)
Control	26.88 (1.11)	36.41 (1.16)
Perceived Stress
LEAF	30.64 (0.71)	27.48 (0.72)	β11 = −1.32, t(145) = −1.66, p = .10	−.20 (−.50,.11)
Control	31.08 (0.73)	29.24 (0.76)

Notes. Baseline sample size=170, post-intervention sample size=155.