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Table 1 Descriptive summary of participants in the current study, stratified by change in frailty

From: Epigenetic age is associated with baseline and 3-year change in frailty in the Canadian Longitudinal Study on Aging

 

Total

(N = 1446)

Age

63 (10.3)

Sex

F

732 (50.6%)

M

714 (49.4%)

Education

Post-secondary

1224 (84.6%)

Secondary

141 (9.8%)

< Secondary

81 (5.6%)

Income

> 100 K

478 (33.1%)

50–100 K

445 (30.8%)

20–50 K

352 (24.3%)

< 20 K

93 (6.4%)

Missing

78 (5.4%)

Smoking status

Never

653 (45.2%)

Former

631 (43.6%)

Current

161 (11.1%)

Missing

1 (0.1%)

Fruit/veg. consumption

4+

783 (54.1%)

2–3

436 (30.2%)

< 2

139 (9.6%)

Missing

88 (6.1%)

Physical activity score

139 (74.5)

 Missing

93 (6.4%)

Frailty index (baseline)

0.141 (0.0749)

 Missing

3 (0.2%)

Frailty index (3-year)

0.142 (0.0766)

 Missing*

179 (12.4%)

  1. Continuous data presented as the average (standard deviation) and categorical data as the count (frequency). * includes participants that did not provide any data at follow-up (n = 126), and those in which greater that 10% of frailty index items were missing (n = 53)