Multi-level validation of the German physical activity self-efficacy scale in a sample of female sixth-graders

BMC Public Health

Table 2 Fit indices for five models tested via Multilevel Confirmatory Factor Analysis

	Model
Fit index	A: One factor, single-level, 8 items	B: One factor, multi-level, 8 items	C: Two factors, multi-level, 8 items	D: One factor, single-level, 6 items	E: One factor, multi-level, 6 items
χ2	44.36	61.36	56.94	26.58	32.10
df	20	40	38	9	18
CFI	.977	.982	.984	.980	.986
TLI	.968	.975	.976	.967	.976
RMSEA	.054	.049	.047	.068	.059
SRMR	.032	.038	.035	.030	.035
AIC	9624.68	10,432.96	10,432.54	6957.92	7537.17

Note. df degrees of freedom; CFI comparative fit index; TLI Tucker-Lewis index; RMSEA root mean square error of approximation; SRMR standardized root mean square residual; AIC Akaike’s information criterion

ISSN: 1471-2458