Table 1. Distribution and comparison of standardized scores of aging among different age groups in Jiangxi Province, China, 2020–2022.

Age groups	Age (years)	N	(%)	Dimension			Total dimension
				Physiological	Psychological	Social
Note: The F-distribution is approximated using the Welch method. “–” indicates that no value is available here. * indicates that the variance is uneven for Levene statistics.
Middle-aged	≥40	221	32.74	23.77±5.50	14.59±2.47	5.15±0.94	43.51±6.99
	≥50	210	31.11	26.57±4.59	14.67±2.72	5.36±1.03	46.59±6.34
	≥55	244	36.15	28.79±4.75	14.61±2.73	5.72±2.49	49.11±6.57
	N	675	100.00	26.46±5.38	14.62±2.64	5.42±1.70	46.49±7.03
	F	–	–	54.958*	0.049	6.742	41.305
	P-value			<0.001	0.952	<0.001	<0.001
Young elderly	≥60	277	34.07	30.66±4.47	14.63±2.67	5.57±0.99	50.86±6.52
	≥65	305	37.52	32.65±4.45	14.85±2.82	5.77±1.13	53.27±6.43
	≥70	231	28.41	35.43±4.80	15.3±2.79	6.19±1.38	56.92±7.43
	N	813	100.00	32.76±4.92	14.9±2.77	5.82±1.19	53.49±7.16
	F	–	–	68.940	3.774	16.545*	50.806
	P-value			<0.001	0.023	0.001	<0.001
Elderly	≥75	119	51.29	37.24±4.97	14.78±3.12	6.46±1.58	58.48±8.20
	≥80	113	48.71	40.56±5.22	15.73±3.15	7.08±1.98	63.38±8.94
	N	232	100.00	38.86±5.35	15.24±3.16	6.76±1.81	60.86±8.90
	F	–	–	24.658	5.374	6.998	18.936
	P-value			<0.001	0.021	0.009	<0.001
N		1,720	100.00	31.11±6.67	14.84±2.78	5.79±1.56	51.74±8.82
F		–	–	576.997	4.396*	49.806*	329.209*
P-value				<0.001	0.013	<0.001	<0.001