Table 3. Comparison of total knowledge among the elderly in Jinan with different characteristics.
| Factors | Mean total knowledge score | P (K–W test/M-W U-test) | |
|---|---|---|---|
| Gender | |||
| Male | 20.93 | 0.624 | |
| Female | 20.98 | ||
| Ethnicity | |||
| Han Chinese | 21.31 | 0.006 | |
| The minority | 17.57 | ||
| Age(year) | |||
| 60- | 22.36 | <0.001 | |
| 70- | 20.18 | ||
| 80- | 17.52 | ||
| Marital status | |||
| Married | 21.44 | 0.066 | |
| Widowed/divorced | 19.86 | ||
| Educational level | |||
| Illiteracy | 17.36 | <0.001 | |
| Elementary school | 20.22 | ||
| Junior middle school | 22.49 | ||
| Senior middle school | 22.55 | ||
| College or above | 24.55 | ||
| Employment status | |||
| Employed | 21.75 | <0.001 | |
| Retired | 21.81 | ||
| Others | 16.57 | ||
| Health insurance status | |||
| No health insurance | 16.43 | <0.001 | |
| At least one | 21.72 | ||
| Living pattern | |||
| Living alone | 19.49 | 0.128 | |
| Living with others | 21.19 | ||
| Personal monthly income(CNY*) | |||
| 0-1000 | 18.68 | <0.001 | |
| 1001-2000 | 21.79 | ||
| 2001-3000 | 23.04 | ||
| >3000 | 23.71 | ||
| Main source of income | |||
| themselves/spouse | 21.44 | 0.003 | |
| Children | 17.75 | ||
| Others | 18.70 | ||
| Persons who provide care | |||
| Nobody | 20.10 | <0.001 | |
| Spouse | 22.46 | ||
| Children | 19.83 | ||
| Others | 18.51 | ||
| Family history of chronic diseases | |||
| Yes | 23.31 | <0.001 | |
| No | 20.46 | ||
| Suffering from chronic diseases (self-reported) | |||
| Yes | 21.19 | 0.813 | |
| No | 20.91 | ||
Note. * CNY: Chinese Yuan; 6.2CNY = 1USD