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Table 1 Comparing HRQOL (mean ± SD) before and after the 12-week strength training program N = 49

From: Changes in health-related quality of life in elderly men after 12 weeks of strength training

SF-12 HRQOL Mean (±SD) before Mean (±SD) after Effect size
Physical function 93.4 (16.0) 96.4 (10.2) 0.21
Role physical 92.9 (14.2) 96.7 (9.7)a 0.32
Bodily pain 89.9 (16.1) 93.4 (13.3) 0.23
General health 72.0 (17.2) 79.7 (15.6)b 0.54
Vitality 70.9 (21.3) 74.0 (19.7) 0.20
Social function 93.9 (14.0) 94.9 (16.1) 0.12
Role emotional 95.8 (11.2) 97.4 (8.1) 0.10
Mental health 88.8 (12.8) 89.5 (14.3) 0.13
Physical Component Summary 53.3 (5.0) 55.0 (3.3)b 0.32
Mental Component Summary 56.0 (5.3) 56.4 (5.2) 0.24
  1. SF-12 range 0-100, where 100 = high HRQOL
  2. Paired-sample t-test
  3. a, bIndicate significant changes between baseline and 12-week follow-up; asignificant at 0.05 level, bsignificant at 0.01 level