Effectiveness and mechanism of a 4-week online self-help mindfulness intervention among individuals with emotional distress during COVID-19 in China

Table 5 Model fit and model comparisons

Model	χ2	df	Δχ2	Δdf	p	CFI	TLI	SRMR	RMSEA(CI)
FFMQ-CPSS
Unconstrained model	86.026	42				0.990	0.979	0.062	0.058 (0.041, 0.076)
Constrained model	113.466	58	27.440	16	0.037	0.988	0.981	0.079	0.056 (0.040, 0.071)
FFMQ-ODSIS
Unconstrained model	82.749	42				0.990	0.978	0.074	0.056 (0.038, 0.074)
Constrained model	112.768	58	30.019	16	0.018	0.986	0.979	0.082	0.055 (0.040, 0.070)
FFMQ-K10
Unconstrained model	70.243	42				0.993	0.985	0.065	0.047 (0.026, 0.065)
Constrained model	82.305	58	12.062	16	0.740	0.994	0.991	0.075	0.037 (0.015, 0.054)
FFMQ-OASIS
Unconstrained model	80.488	42				0.990	0.979	0.069	0.055 (0.036, 0.072)
Constrained model	99.216	58	18.728	16	0.283	0.989	0.984	0.077	0.048 (0.031, 0.064)

CFI comparative fit index, TLI Tucker–Lewis index, SRMR the standardized root mean square residual, RMSEA root mean square error of approximation

ISSN: 2050-7283