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Psychology: Research and Review

Table 5 Hierarchical model with multivariate Poisson regression for pre-frailty (n = 1931). FIBRA Unicamp, Elderly, 2008–2009

From: Frailty and depressive symptoms in older adults: data from the FIBRA study - UNICAMP

Variables

First step

Second step

Third step

 

PR*

95 % CI

p value

PR*

95 % CI

p value

PR*

95 % CI

p value

Age

 65–69

1.00

-

-

1.00

-

-

1.00

-

-

 70–74

1.15

0.99–1.33

0.071

1.15

0.99–1.33

0.071

1.15

0.99–1.33

0.071

 75–79

1.22

1.03–1.45

0.025

1.21

1.02–1.44

0.028

1.21

1.02–1.44

0.033

> = 80

1.44

1.19–1.75

<0.001

1.45

1.19–1.76

<0.001

1.43

1.18–1.74

<0.001

No. of diseases

 0

   

1.00

-

-

1.00

-

-

 1–2

   

1.06

0.86–1.30

0.592

1.06

0.86–1.30

0.593

> = 3

   

1.24

1.01–1.53

0.040

1.19

0.96–1.47

0.106

GDS7

No

      

1.28

1.06–1.55

0.012

Yes

      

1.00

-

-

GDS15

No

      

1.00

-

-

Yes

      

1.19

1.04–1.37

0.013

GDS13

No

      

1.18

1.01–1.37

0.043

Yes

      

1.00

-

-

  1. Note.*PR = Prevalence ratio for pre-frailty; (n = 891 non-frail and n = 1040 pre-frail)
  2. PR 95 % CI = 95 % confidence interval for prevalence ratio. Stepwise criteria for variable selection. Ref. reference level
  3. Variables considered in step 1: Age, sex, schooling, marital status and family income; step 2: Number of diseases and number of disabilities; step 3: items GDS1 to GDS15