Table 5 Binary logistic regression models evaluated the association between loneliness and the functional ability index (N = 9,335)

Gender

1.461(1.339–1.594)

< 0.001

1.026 (0.932–1.13)

0.599

Age

1.013(1.007–1.02)

< 0.001

0.982 (0.974–0.989)

< 0.001

Marital status (ref: married)

< 0.001

-

< 0.001

-Married

1.00

-

-

-

-Separated/divorced

2.597(1.812–3.722)

< 0.001

0.41(0.241–0.696)

0.001

-Widowed

2.513(2.257–2.798)

< 0.001

1.085(0.57–2.065)

0.805

-Never married

2.469(1.478–4.124)

0.001

1.01(0.588–1.733)

0.972

Functional ability

Meet their basic needs

1.08(1.055–1.105)

< 0.001

0.993(0.966–1.021)

0.623

Be mobile

0.535(0.503–0.568)

< 0.001

0.567(0.529–0.608)

< 0.001

Build and maintain relationships

0.814(0.762–0.871)

< 0.001

0.906(0.846–0.971)

0.005

Contribute to society

0.742(0.656–0.84)

< 0.001

0.921(0.811–1.047)

0.209

Learn, grow and make decision

0.475(0.419–0.539)

< 0.001

0.657(0.575–0.751)

< 0.001