Table S3.

Measurement invariance about gender of nomophobia (three groups)

Overall fit indices							Comparative fit indices
Model	S-Bχ 2	Df	CFI	TLI	SRMR	RMSEA (90% CI)	compare	Δχ 2	Δdf	ΔCFI	ΔTLI	ΔSRMR	ΔRMSEA
Model A	1171.207***	306	0.920	0.906	0.051	0.097 (0.091, 0.103)
Model B	1171.207***	306	0.920	0.906	0.051	0.097 (0.091, 0.103)	A vs. B	0.000	0	0.000	0.000	0.000	0.000
Model C	1205.102***	342	0.920	0.916	0.054	0.091 (0.086, 0.097)	B vs. C	33.895	36	0.000	0.010	0.003	0.006
Model D	1272.446***	374	0.917	0.920	0.057	0.089 (0.084, 0.095)	C vs. D	70.334	32	0.003	0.004	0.003	0.002
Model E	1214.150***	350	0.920	0.918	0.064	0.090 (0.086, 0.096)	D vs. E	60.296	24	0.003	0.002	0.007	0.001
Model F	1230.516***	362	0.920	0.920	0.062	0.089 (0.084, 0.095)	E vs. F	16.366	12	0.000	0.002	0.002	0.001
Model G	1258.412***	370	0.918	0.920	0.082	0.089 (0.084, 0.095)	F vs. G	17.896	8	0.002	0.000	0.020	0.000