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Table 3 Institutionalization by combined health information during the 10- and 18-year follow-ups (n = 1106)

From: Subjective and objective health predicting mortality and institutionalization: an 18-year population-based follow-up study among community-dwelling Finnish older adults

Follow-up period Combined health information
  Subjectively and objectively healthy (SO) (n = 138) Subjectively healthya (S) (n = 251) Objectively healthyb (O) (n = 138) Unhealthyc (UH) (n = 579) Total
10 years Institutionalized
n (%)
10 (7) 29 (12) 13 (9) 110 (19) 162 (15)
Follow-up time, yearsd 9.4 (1.8) 8.7 (2.6) 9.0 (2.3) 7.3 (3.4) 8.1 (3.1)
Person-years 1295 2189 1246 4198 8928
Institutionalization rate / 1000 person-years 7.7 13.2 10.4 26.2 18.1
18 years Institutionalized
n (%)
28 (20) 76 (30) 37 (27) 187 (32) 328 (30)
Follow-up time, yearsd 14.3 (4.6) 12.9 (5.4) 13.7 (5.3) 9.7 (6.0) 11.5 (5.9)
Person-years 1973 3241 1887 5635 12,737
Institutionalization rate / 1000 person-years 14.2 23.4 19.6 33.2 25.8
  1. aSubjectively healthy and objectively unhealthy
  2. bSubjectively unhealthy but objectively healthy
  3. cSubjectively and objectively unhealthy
  4. dValues are mean (standard deviation)