. Author manuscript; available in PMC: 2021 Jul 1.

Published in final edited form as: Health Psychol. 2020 Apr 13;39(7):622–631. doi: 10.1037/hea0000865

Table 3.

Multiple Groups Confirmatory Factor Analysis

	Model fit statistics
Variables	χ² (df)	CFI	SRMR	RMSEA (90% CI)
Least to most constrained models
Configural, equal factor structure	460.10 (105), p < .001	.990	.025	.057 (0.052, 0.062)
Metric, equal factor loadings	387.21 (123), p < .001	.993	.025	.045 (0.040, 0.051)
Scalar, equal item intercepts	441.75 (155), p < .001	.992	.027	.042 (0.038, 0.047)
χ² model tests
Configural vs. metric	21.81 (18), p = .240	—	—	—
Configural vs. scalar	94.12 (50), p < .001	—	—	—
Metric vs. scalar	87.87 (32), p < .001	—	—	—

Note. CFI = Comparative Fit Index; SRMR = standardized root mean square residual; RMSEA = root mean square error of approximation; CI = confidence interval. We used the criteria set forth in Hu & Bentler’s (1999) extensive simulation study that one of the following two criteria be met to establish satisfactory global model fit: (a) CFI ≥ .95 and SRMR ≤ .08 or (b) RMSEA ≤ .06 and SRMR ≤ .08.