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Table 3 Posterior means and 95% credible intervals of the difficulty parameters (κ) for items in Katz scale

From: Hierarchical structure in the activities of daily living and trajectories of disability prior to death in elderly Chinese individuals

 

Mean

SE

Q2.5

Q97.5

Bathing-partial

−1.396

0.003

−1.433

−1.364

Toileting-partial

−0.904

0.006

−0.953

− 0.843

Bathing-total

−0.374

0.003

−0.406

− 0.366

Dressing-partial

−0.277

0.004

−0.315

− 0.238

Transferring-partial

−0.053

0.004

−0.082

− 0.017

Dressing-total

0.482

0.004

0.441

0.520

Feeding-partial

0.917

0.005

0.884

0.962

Continence-partial

1.371

0.003

1.324

1.409

Toileting-total

3.348

0.009

3.238

3.478

Feeding-total

3.440

0.004

3.351

3.521

Transferring-total

3.454

0.008

3.325

3.562

Continence-total

3.647

0.013

3.535

3.739