Diet and lifestyle behaviours simultaneously act on frailty: it is time to move the threshold of frailty prevention and control forward

Table 1 Basic demographic characteristics of 1044 research subjects

Variable	Frail		Prefrail		Robust		Statistics	P-value
Variable	N	%	N	%	N	%	Statistics	P-value
Age（years）
60~	24	14.46	65	12.38	93	26.35	46.632	＜0.001
65~	30	18.07	93	17.71	107	30.31
70~	41	24.70	140	26.67	68	19.26
75~	38	22.89	131	24.95	46	13.03
80~	33	19.88	96	18.29	39	11.05
Education
Elementary school and below	137	82.53	361	68.76	185	52.41	58.734	＜0.001
Junior middle school	23	13.86	102	19.43	88	24.93
Senior middle school	6	3.61	45	8.57	56	15.86
College and above	0	0.00	17	3.24	24	6.80
Occupation
Worker	29	17.47	102	19.43	106	30.03	86.761	＜0.001
Farmer	108	65.06	326	62.10	125	35.41
Cadre	4	2.41	37	7.05	63	17.85
Self-employed	11	6.63	23	4.38	26	7.37
Others	14	8.43	37	7.05	33	9.35
Marital status
Married	119	71.69	403	76.76	276	78.19	5.698	0.223
Unmarried	2	1.20	3	0.57	6	1.70
Widowhood and divorce	45	27.11	119	22.67	71	20.11
Region
South China	87	52.41	277	52.76	249	70.54	30.755	＜0.001
North China	79	47.59	248	47.24	104	29.46	30.755	＜0.001
Total	166	100.00	525	100.00	353	100.00

ISSN: 1471-2458