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Table 2 Comparison of baseline characteristics between Wave 1 subjects with and without mortality data available (females).

From: A Frailty Instrument for primary care: findings from the Survey of Health, Ageing and Retirement in Europe (SHARE)

 

Mortality data available

(N= 11,384)

Mortality data not available

(N= 5,920)

Significance of the difference (P)

Frailty variables

   

Exhaustion: yes (%)

36.1

37.0

0.244χ

Weight loss: yes (%)

9.1

11.5

< 0.001 χ

Handgrip strength, Kg: mean (SD)

26.9 (7.4)

26.1 (7.8)

< 0.001 μ

Slowness: yes (%)

16.7

19.3

< 0.001 χ

Low activity: hardly ever, or never (%)

12.3

18.1

< 0.001 χ

Frailty classes

   

Non-frail (%)

68.5

63.6

< 0.001 χ

Pre-frail (%)

25.0

27.6

0.001 χ

Frail (%)

6.5

8.9

< 0.001 χ

Sociodemographic

   

Age: mean (SD)

63.6 (10.9)

63.8 (11.4)

0.627μ

Years of education: mean (SD)

9.4 (4.5)

9.3 (4.4)

0.499μ

Physical

   

Self-rated health (best:1; worst:5): mean (SD)

3.0 (1.1)

3.1 (1.1)

< 0.001 μ

No. chronic diseases: mean (SD)

1.6 (1.5)

1.6 (1.5)

0.057μ

No. symptoms: mean (SD)

1.7 (1.7)

1.7 (1.8)

0.057μ

No. contacts with doctor in last year: mean (SD)

6.8 (9.7)

8.3 (11.9)

< 0.001 μ

Admitted to hospital in last year (%)

12.4

12.9

0.287χ

Functional

   

No. limitations with ADLs: mean (SD)

0.22 (0.80)

0.27 (0.93)

0.054μ

No. limitations with IADLs: mean (SD)

0.39 (1.08)

0.50 (1.22)

< 0.001 μ

Received home care: personal/nursing (%)

5.1

4.4

0.046χ

Received home care: domestic tasks (%)

6.5

7.5

0.023χ

Psychological and cognitive

   

EURO-D score (min: 0; max: 12) (SD)

2.7 (2.3)

2.8 (2.5)

0.057μ

Verbal fluency test score: mean (SD)

18.8 (7.3)

17.9 (7.6)

< 0.001 μ

Delayed word recall score: mean (SD)

3.6 (2.1)

3.2 (2.0)

< 0.001 μ

  1. χ Chi-squared test; μ Mann-Whitney U test. Significant P values (< 0.01) are indicated in bold.