Table 3. Logistic regression model validation results for the inflection point age of women among different age groups and dimensions in Jiangxi Province, China, 2020–2022.

Age group	Dimension	β	S.E.	Wald	P-value	OR	95% CI	C-index	95% CI	P 1
Abbreviation: OR=odds ratio; CI=confidence interval.
Middle-aged	Total	1.498	0.192	60.824	0.001	4.472	3.069, 6.516	0.782	0.749, 0.813	0.340
	Physiological	1.540	0.194	63.324	0.001	4.666	3.193, 6.819	0.786	0.753, 0.816	0.254
	Psychological	1.413	0.222	40.364	0.001	4.108	2.657, 6.353	0.766	0.733, 0.798	0.550
	Social	1.436	0.191	56.745	0.001	4.203	2.893, 6.107	0.779	0.745, 0.809	0.322
Young elderly	Total	0.898	0.162	30.734	0.001	2.454	1.787, 3.371	0.775	0.745, 0.803	0.833
	Physiological	0.893	0.163	29.966	0.001	2.442	1.774, 3.361	0.773	0.743, 0.802	0.305
	Social	1.582	0.364	18.923	0.001	4.867	2.386, 9.929	0.800	0.743, 0.850	0.255
Elderly	Total	1.666	0.360	21.375	0.001	5.290	2.611, 10.720	0.809	0.753, 0.858	0.756
	Physiological	1.582	0.364	18.923	0.001	4.867	2.386, 9.929	0.800	0.743, 0.850	0.255
	Psychological	1.604	0.356	20.269	0.001	4.974	2.474, 10.001	0.807	0.750, 0.855	0.744
	Social	1.498	0.192	60.824	0.001	4.472	3.069, 6.516	0.782	0.749, 0.813	0.340