Table 2:

Mortality rate stratified by frailty level, sedentary time and physical activity

Physical activity categoryFI score; mortality data*
≤ 0.10.1 < FI ≤ 0.20.2 < FI ≤ 0.3> 0.3
All participants42/766 (2.8, 4.1)140/1121 (8.7, 13.2)153/681 (16.3, 25.8)215/573 (35.3, 61.6)
Sedentary behaviour
 Low (< 7 h/d)12/209 (2.9, 4.2)25/251 (7.7, 11.5)9/87 (5.8, 8.7)11/62 (20.4, 33.0)
 Intermediate (7–10 h/d)25/439 (2.8, 4.1)74/653 (7.5, 11.5)89/437 (14.3, 22.3)101/310 (30.1, 50.9)
 High ( > 10 h/d)5/118 (2.4, 3.1)41/217 (14.0, 22.2)55/157 (27.5, 47.3)103/201 (49.6, 95.9)
Objectively measured physical activity
 Physically inactive32/475 (4.0, 5.8)119/856 (9.6, 14.7)150/621 (17.7, 28.4)206/536 (36.2, 63.6)
 Physically active10/291 (1.1, 1.8)21/265 (6.1, 9.0)3/60 (2.0, 2.7)9/37 (23.2, 34.9)
Self-reported physical activity
 Physically inactive35/528 (3.1, 4.8)122/901 (9.6, 14.6)147/623 (17.1, 27.2)210/551 (35.8, 63.0)
 Physically active7/238 (2.2, 3.4)18/220 (5.9, 9.0)6/58 (9.9, 15.5)5/22 (20.8, 30.1)
  • Note: FI = frailty index.

  • * Data are presented as number who died/total number (unweighted), followed by weighted % dead at follow-up and mortality per 1000 person-years in parentheses. Follow-up (to time of death or censoring on Dec. 31, 2011) was on average 6.5 ± 1.6 years from the baseline assessment.

  • Meeting the recommended guidelines of 2.5 hours/week of moderate-to-vigorous physical activity.

  • Self-reported vigorous physical activity for a period of at least 10 minutes over the past 30 days.