Table 3.

Fit indices from the confirmatory factor analyses, for mothers of infants (n = 320).

	Model	X2	df	X2/df	CFI	RMSEA	90% CI for RMSEA	SRMR	Change from previous model (ΔX2)
I.1	Duncan et al. (2009) 31 items	1437.17**	424	3.39	0.728	0.087	[0.082, 0.091]	0.0953	–
I.2	de Bruin et al. (2014) 31 items	791.75**	419	1.89	0.900	0.053	[0.047, 0.058]	0.0705	–
I.3	de Bruin et al. (2014) 29 items (excluding items 3 and 6)	669.27**	362	1.85	0.916	0.052	[0.045, 0.058]	0.0662	122.48 (57)*
I.4	de Bruin et al. (2014) 29 items (covary e4 and e28)	649.22**	361	1.80	0.921	0.050	[0.044, 0.056]	0.0662	20.05 (1)*
I.5	de Bruin et al. (2014) 29 items (covary e4 and e7)	630.76**	360	1.75	0.926	0.049	[0.042, 0.055]	0.0660	18.46 (1)*
I.6	Moreira and Canavarro (2017) 29 items	705.06**	367	1.92	0.907	0.054	[0.048, 0.060]	0.0661	–
I.7	Moreira and Canavarro (2017) 29 items (covary e14 and e29)	666.45**	366	1.82	0.918	0.051	[0.045, 0.057]	0.0649	38.61 (1)*
I.8	Moreira and Canavarro (2017) 29 items (covary e4 and e28)	645.71**	365	1.77	0.923	0.049	[0.043, 0.055]	0.0649	20.74 (1)*
I.9	Moreira and Canavarro (2017) 29 items (covary e4 and e7)	626.75**	364	1.72	0.928	0.048	[0.041, 0.054]	0.0646	18.96 (1)*

CFI is Comparative fit index; RMSEA is root-mean-square error of approximation; SRMR is standardized root mean square residual;

^*p < 0.01;

^**p < 0.001.