Table 1.

Distribution of characteristics among centenarians in rural Chongqing, China (N = 564).

Characteristics	No ADL Disability		ADL Disability		p-Value
	n	%	n	%
Demographic characteristics
Age					0.234
100–105	180	92.7	332	89.7
106–110	14	7.3	38	10.3
Gender					0.031 *
Male	41	21.1	52	14.1
Female	153	78.9	318	85.9
Ethnicity					0.595
Han	183	94.3	344	93.2
Ethnic minority	11	5.7	26	6.8
Current diseases					0.001 **
No	144	74.2	161	43.5
Yes	50	25.8	209	56.5
Lifestyle factors
Living arrangement					0.061
Living alone	2	1.0	14	3.8
Living with others	192	99.0	356	96.2
Smoking					0.938
Yes	19	9.8	37	10.0
No	175	90.2	333	90.0
Drinking habits					0.000 *
No	161	83.0	307	83.0
Yes	33	17.0	63	17.0
Good diet habits					0.003 **
Yes	144	74.2	225	60.8
No	50	25.8	145	39.2
Avoiding sweet, fatty and high cholesterol food					0.22
Yes	17	8.8	45	12.2
No	177	91.2	325	87.8
Salt preference					0.028 *
Yes	4	0.5	23	6.2
No	190	99.5	347	93.8
Social activities					0.011 *
Yes	50	25.8	62	16.8
No	144	74.2	308	83.2
Physical activity					0.005 **
Yes	56	28.9	68	18.4
No	138	71.1	301	82.6
Reading					0.077
Yes	7	3.6	5	0.8
No	187	96.4	363	99.2
Watching TV or listening to radio					0.061
Yes	61	31.4	146	39.5
No	133	68.6	224	60.5

Note: (1) Abbreviations: ADL: activities of daily living. (2) * p < 0.05; ** p < 0.01.