Table 5.

Model fit statistics and estimates of fixed and random effects for multilevel latent growth of 1) DASS and 2) indirect effect from treatment to DASS via family cohesion

	Model 1: DASS only		Model 2: DASS and cohesion
Model Fit Statistics
Chi-square	χ2(3) = 8.364, p=.40		χ2(12) = 15.42, p=.22
RMSEA	0.013		0.033
CFI	0.997		0.979
SRMRwithin	0.083		0.089
SRMRbetween	0.118		0.114
Fixed Effects	Estimate (SE)	95% CI	Estimate (SE)	95% CI
DASS intercept (α)	37.66** (3.61)	[30.59, 44.73]	37.43** (2.22)	[33.07, 41.78]
DASS slope (β)	−0.14 (0.83)	[−1.77, 1.48]	−0.60 (0.70)	[−1.80, 0.59]
Cohesion_0			5.92** (0.22)	[5.48, 6.35]
Cohesion change (δ)			−0.46 (0.31)	[−1.07, 0.16]
Treatment → α	1.07 (4.40)	[−7.55, 9.69]	1.16** (0.20)	[0.77, 1.54]
Treatment → β	−4.39** (1.05)	[−6.44. −2.34]	−3.57** (0.32)	[−4.19, −2.95]
Treatment →			0.14 (0.25)	[−0.36, 0.63]
cohesion_0
Treatment → δ			0.94** (0.23)	[0.49, 1.38]
Cohesion_0 → δ			−0.03* (0.02)	[−0.06, −0.01]
δ → β			−0.93** (0.10)	[−1.13, −0.73]
Indirect effect (a*b)			−0.87** (0.31)	[−1.47, −0.27]
Random Effects	Estimate (SE)	95% CI	Estimate (SE)	95% CI
σ2 within person	111.92** (40.18)	[33.18, 190.66]	107.52** (23.93)	[60.61, 154.43]
σ2 within families
Time-specific variance	0.01 (4.51)	[0, 0]	0 (<.001)	[0, 0]
DASS intercept	796.65** (104.25)	[592.33, 1000.97]	811.52** (88.07)	[638.90, 984.15]
DASS slope	15.71* (7.80)	[0.42, 31.00]	17.05* (6.81)	[3.71, 30.39]
DASS intercept, slope	−85.73** (20.01)	[−124.95, −46.50]	−94.96** (20.74)	[−135.61, −54.31]
σ2 between families
DASS intercept	163.15* (90.80)	[−14.81, 341.10]	155.36** (0.29)	[154.80, 155.92]
Cohesion_0			3.25** (0.36)	[2.55, 3.96]
Cohesion change			2.58** (0.54)	[1.53, 3.63]
DASS int., cohesion_0			−16.23** (0.82)	[−17.83, −14.64]

^*indicates p<.05,

^**indicates p<0.01.