Table 3 Five domains functional ability of participants

Meet their basic needs

Dressing¹

8,480

3.81 ± 0.56

Bathing or showering¹

8,480

3.71 ± 0.73

Using the toilet, including getting up and down¹

8,480

3.71 ± 0.65

Eating food by oneself when it is ready¹

8,480

3.92 ± 0.40

Getting into or out of bed¹

8,480

3.82 ± 0.52

Getting up from a chair after sitting for a long period¹

10,693

3.55 ± 0.67

Difficulties with shopping for groceries due to the health and memory problems ¹

10,692

3.66 ± 0.89

Learn, grow and make decision

Managing money¹

10,692

3.63 ± 0.92

Taking the right portion of medication right on time ¹

10,692

3.84 ± 0.57

Be mobile

Troubled with body pain²

10,699

3.74 ± 1.33

Running or jogging about1km¹

10,693

2.25 ± 1.41

Self-reported health status³

9,781

2.92 ± 1.01

Built and maintain relationships

Interacted with friends

10,697

- Yes

4510 (42.2)

Joined a community-related organization or group

10,697

- Yes

803 (7.5)

Used the internet in the last month

10,697

- Yes

642 (0.6)

Contribute to society

Did nonfarm work for at least one hour in last month

10,690

- Yes

1,388 (13)

Employed as a farmer

10,358

- Yes

333 (3.1)