Table 1 The characteristics at baseline of all participants (N = 19,896)
Characteristics | Mean ± Standard deviation | Number of participants (%) |
|---|---|---|
Age (years) | 83.87 ± 11.14 | - |
Weight (kg) | 50.42 ± 11.15 | - |
Sex | - | |
Male | - | 8,984(45.15) |
Female | - | 10,912(54.85) |
Marital status | ||
Married | - | 7,628(38.34) |
Divorced | - | 95(0.48) |
Widowed | - | 11,955(60.09) |
Unmarried | - | 218(1.10) |
Living areas | ||
Urban | - | 13,929(70.01) |
Rural | - | 5,967(29.99) |
Education | ||
Illiteracy | - | 11,772(59.17) |
Primary school or above | - | 8,124(40.83) |
Ethnicity | ||
Han | - | 18,541(93.19) |
Others | - | 1,355(6.81) |
Current smoker | ||
No | - | 15,691(78.87) |
Yes | - | 4,205(21.13) |
Current alcohol consumer | ||
No | - | 15,397(77.39) |
Yes | - | 4,499(22.61) |
Physical activity | ||
No | - | 6,617(33.26) |
Yes | - | 13,279(66.74) |
Self-reported health status | ||
Poor | - | 2,112(10.62) |
Fair | - | 6,351(31.92) |
Good | - | 11,433(57.46) |
History of hypertension | ||
No | - | 8,153(40.98) |
Yes | - | 11,743(59.02) |
History of diabetes | ||
No | - | 19,527(98.15) |
Yes | - | 369(1.85) |
History of cardiovascular diseases | ||
No | - | 19,082(95.91) |
Yes | - | 814(4.09) |
Number of natural teeth in each wave of survey | ||
First | 9.37 ± 10.16 | - |
Second | 8.26 ± 9.67 | - |
Third | 8.38 ± 9.48 | - |
Fourth | 8.68 ± 9.66 | - |
Fifth | 4.05 ± 6.26 | - |
Sixth | 1.92 ± 2.60 | - |
Seventh | 1.12 ± 2.35 | - |
Eighth | 2.20 ± 1.79 | - |
False teeth | ||
Yes | - | 5,546(27.87) |
No | - | 14,350(72.13) |
Drinking habits | ||
Boiled water | - | 18,876(94.87) |
Un-boiled water | - | 1,020(5.13) |
Drinking water sources at around 60 years | ||
Well | - | 11,148(56.03) |
Surface water | - | 2,637(13.25) |
Spring | - | 749(3.76) |
Tap water | - | 5,362(26.95) |
Staple food | ||
Rice | - | 12,938(65.03) |
Corn | - | 752(3.78) |
Wheat | - | 3,840(19.30) |
Rice and wheat | 2,366(11.89) | |
Frequency of intake fresh fruit | - | |
Almost everyday | - | 2,628(13.21) |
Quite often | - | 3,615(18.17) |
Occasionally | - | 8,838(44.42) |
Rarely or never | - | 4,815(24.20) |
Frequency of intake vegetables | ||
Almost everyday | - | 12,836(64.52) |
Quite often | - | 4,357(21.90) |
Occasionally | - | 2,228(11.20) |
Rarely or never | - | 475(2.39) |
Frequency of intake meat | ||
Almost everyday | - | 9,147(45.97) |
Occasionally | - | 7,559(37.99) |
Rarely or never | - | 3,190(16.03) |
Frequency of intake fish | ||
Almost everyday | - | 5,964(29.98) |
Occasionally | - | 8,635(43.40) |
Rarely or never | - | 5,297(26.62) |