Psychometric evaluation and predictive validity of Ryff's psychological well-being items in a UK birth cohort sample of women

Table 7 Post Hoc Models, Ryff Psychological Well-being Scale, modified models (40-item)

Model	Factors	2^nd order	Method	Model	Chi Sq	Df	CFI	TLI	RMSEA	WRMR	SSABIC	SSABIC +/-
PH1	6		No	Modified No method	2,635.1	197	0.753	0.915	0.102	2.477	150,403	0.0
PH2	6		P&N	Modified with method	1,678.5	252	0.856	0.961	0.069	1.613	148,661	-1.742
PH3	6	Yes	P&N	Modified 2^nd order	1,738.5	249	0.849	0.959	0.071	1.677	148,691	-1,711
PH4	6	Yes	P&N	Modified 2^nd order EGPS*	1,732.5	251	0.850	0.959	0.071	1.662	148,691	-1,712

P&N – positive and negative method factors.
*EGPS: Environmental mastery, personal growth, purpose in life, self-acceptance.
CFI Comparative fit index (moderate to good fit >0.95) [41].
TLI Tucker Lewis Index (moderate to good fit >0.95) [42].
RMSEA Root Mean Square Error of Approximation (good fit <= 0.06) [43].
WRMR Weighted root mean residual (good fit <1.0) [44].
SsaBIC Sample size adjusted BIC statistic (lower numbers show improvement among nested models).

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