Skip to main content

Table 2 Competing risk analysis of incident ADL disability, with mortality as the competing event (n = 3768, deaths = 633, disability = 795)

From: Mortality and disability risk among older adults unable to complete grip strength and physical performance tests: a population-based cohort study from China

 

N (events/groups)

Cause-specific hazard model (HR,95%CI)

Sub-distribution hazard model (SHR, 95%CI)

Adjusted for age and sex

Full-adjusted b

Adjusted for age and sex

Full-adjusted b

Handgrip strength (kg) a

 Unable

15/36

1.457(0.849,2.500)

1.067(0.617,1.847)

1.251(0.759,2.062)

1.015(0.622,1.658)

  Q5

199/621

1.322(1.043,1.674)

1.087(0.847,1.396)

1.161(0.927,1.454)

0.991(0.787,1.247)

  Q4

152/559

1.212(0.950,1.546)

1.123(0.874,1.444)

1.169(0.930,1.469)

1.091(0.864,1.378)

  Q3

149/622

1.097(0.861,1.399)

0.991(0.773,1.270)

1.124(0.896,1.410)

1.041(0.830,1.306)

  Q2

161/699

1.120(0.883,1.420)

1.057(0.831,1.343)

1.120(0.896,1.399)

1.078(0.865,1.344)

  Q1

119/598

Ref.

Ref.

Ref.

Ref.

Gait speed (m/s) a

 Unable

54/134

2.032(1.462,2.824)

1.969(1.412,2.745)

1.889(1.400,2.549)

1.787(1.319,2.420)

  Q5

187/571

1.616(1.272,2.052)

1.395(1.095,1.778)

1.486(1.183,1.864)

1.318(1.048,1.657)

  Q4

151/568

1.311(1.024,1.677)

1.113(0.867,1.428)

1.304(1.036,1.640)

1.162(0.922,1.464)

  Q3

172/655

1.359(1.070,1.726)

1.225(0.964,1.558)

1.407(1.124,1.761)

1.297(1.038,1.621)

  Q2

119/588

0.982(0.759,1.272)

0.887(0.684,1.151)

0.989(0.776,1.260)

0.920(0.722,1.172)

  Q1

112/619

Ref.

Ref.

Ref.

Ref.

Five-times chair stand test (s) a

 Unable

70/152

1.965(1.444,2.674)

1.746(1.278,2.386)

1.638(1.232,2.178)

1.428(1.071,1.904)

  Q5

181/525

1.581(1.242,2.013)

1.333(1.041,1.707)

1.434(1.141,1.804)

1.222(0.966,1.545)

  Q4

149/571

1.414(1.104,1.811)

1.220(0.949,1.569)

1.307(1.037,1.648)

1.166(0.923,1.472)

  Q3

141/612

1.246(0.972,1.599)

1.119(0.870,1.439)

1.228(0.972,1.522)

1.131(0.894,1.430)

  Q2

143/625

1.316(1.027,1.687)

1.228(0.957,1.576)

1.291(1.023,1.630)

1.228(0.975,1.548)

  Q1

111/650

Ref.

Ref.

Ref.

Ref.

  1. Note: a. Physical measures grouped into six categories: Unable; Q5(Quintile5, lowest performance); Q4; Q3; Q2; Q1(Quintile1, highest performance)
  2. b. Full adjusted for age and sex plus height and BMI, sociodemographic factors (education and residence), lifestyles (physical activity levels, smoking behavior, and alcohol consumption), and medical conditions (hypertension, diabetes, cancer, cardiovascular disease, chronic lung disease, depression status, and cognitive status). Ref, reference. ADL, activities of daily living. HR, hazard ratio. CI, confidence intervals. N, numbers