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Table 3 Associations between constantly healthy sleep patterns and frailty transitions

From: Maintaining healthy sleep patterns and frailty transitions: a prospective Chinese study

Constantly healthy sleep patterns

Baseline robust

Baseline prefrail

Worsening (%)

PR (95%CI)

Worsening (%)

PR (95%CI)

Improvement (%)

PR (95%CI)

Constantly healthy Sleep duration (7 or 8h/d)

 No

48.2

1.00

12.2

1.00

17.5

1.00

 Yes

41.5

0.92 (0.89–0.96)

8.3

0.74 (0.65–0.84)

20.7

1.09 (1.00–1.18)

Constantly without insomnia disorder

 No

58.8

1.00

19.0

1.00

16.1

1.00

 Yes

43.8

0.76 (0.74–0.77)

9.4

0.27 (0.25–0.29)

19.1

1.12 (0.99–1.26)

Constantly no–snoring

 No

49.3

1.00

11.3

1.00

16.5

1.00

 Yes

40.3

0.85 (0.82–0.88)

9.9

0.90 (0.79–1.02)

23.3

1.42 (1.31–1.54)

  1. Constantly healthy sleep patterns mean maintaining the healthy sleep patterns at baseline and secondary resurvey. The multivariable model was adjusted for sex, age, study area, highest education, smoking status, and alcohol consumption
  2. Abbreviations: PR prevalence ratio