Table 1. Variable description and statistics (N = 1407).
| Variables | Assignment | Minimum | Maximum | Mean | Standard deviation |
|---|---|---|---|---|---|
| Physical Health(PH) | |||||
| What is the prevalence of the elderly for two weeks?(E1) | 0 = No 1 = Yes |
0 | 1 | 0.20 | 0.40 |
| How much did your inpatient cost in the past year? (E2) | —— | 0 | 99998 | 2638.21 | 8440.87 |
| How much did your outpatient service charge in the past year? (E3) | —— | 0 | 99998 | 1470.22 | 4648.13 |
| Mental Health(MH) | |||||
| Do you think that the older you get, the less useful it is? (E4) | 1 = never 2 = seldom 3 = sometimes 4 = often 5 = always |
1 | 5 | 2.91 | 1.13 |
| Do you often feel lonely? (E5) | 1 = never 2 = seldom 3 = sometimes 4 = often 5 = always |
1 | 5 | 2.05 | 0.97 |
| Do you often feel nervous and scared?(E6) | 1 = never 2 = seldom 3 = sometimes 4 = often 5 = always |
1 | 5 | 1.93 | 0.88 |
| Do you like to make things clean and tidy? (E7) | 1 = always 2 = often 3 = sometimes 4 = seldom 5 = never |
1 | 5 | 2.28 | 0.77 |
| Do you feel as happy as when you were young? (E8) | 1 = always 2 = often 3 = sometimes 4 = seldom 5 = never |
1 | 5 | 2.64 | 1.34 |
|
Physiological Function (PF) |
|||||
| Instrumental Activity of Daily Living (IADL) (E9) | —— | 8 | 24 | 12.18 | 5.11 |
| Activities of Daily Living (ADL) (E10) | —— | 6 | 17 | 6.55 | 1.63 |
| Condition of limited physical function (E11) | —— | 10 | 46 | 21.01 | 7.53 |
| Intergenerational Economic Support(EC) | |||||
| Grandchildren financial support (E12) |
—— | 0 | 65000 | 494.45 | 2084.86 |
| Daughter financial support (E13) | —— | 0 | 30000 | 1118.46 | 2170.52 |
| Son financial support (E14) | —— | 0 | 80000 | 1560.92 | 4001.15 |
| Intergenerational Non-economic Support (INE) | |||||
| If you encounter problems or difficulties, whom to turn to first?(E15) | 0 = other 1 = child or grandchild |
0 | 1 | 0.69 | 0.46 |
| If you have a thought or an idea, to whom do you speak first?(E16) | 0 = other 1 = child or grandchild |
0 | 1 | 0.54 | 0.50 |
| Who do you chat with most?(E17) | 0 = other 1 = child or grandchild |
0 | 1 | 0.43 | 0.50 |
| What time support do your children and grandchildren provide when you need help with your daily activities?(E18) | —— | 0 | 168 | 17.74 | 27.76 |
| Socioeconomic Status(SS) | |||||
| Living standard(E19) | 1 = Poverty 2 = General 3 = Wealthy | 1 | 3 | 2. | 0.54 |
| Last year’s household income(E20) | —— | 300 | 100000 | 27528.46 | 26917.95 |
| Whether all the sources of living are adequate? (E21) | 0 = not enough 1 = enough |
0 | 1 | 0.78 | 0.42 |
| Features | |||||
| Do you have any old-age security? | 0 = No 1 = Yes (retirement pension or public old-age insurance) |
0 | 1 | 0.35 | 0.48 |
| Gender | 0 = Male; 1 = Female | 0 | 1 | 0.49 | 0.50 |
| Age | —— | 67 | 114 | 83.66 | 9.32 |
| years of schooling | —— | 0 | 18 | 2.29 | 3.21 |
| smoke or not at present? | 0 = no; 1 = yes | 0 | 1 | 0.2 | 0.39 |
| drink or not at present? | 0 = no; 1 = yes | 0 | 1 | 0.18 | 0.38 |
| how often eat vegetables? | 0 = seldom; 1 = quite often |
0 | 1 | 0.88 | 0.31 |
| how often eat fresh fruit? | 0 = seldom; 1 = quite often |
0 | 1 | 0.39 | 0.49 |