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Table 1 Sample characteristics by physical fitness index.

From: Association of physical fitness with health-related quality of life in Finnish young men

Variable Physical fitness index P-value between the groups
  Poor (n = 328) Satisfactory (n = 271) Good (n = 128)  
Age in years, mean (SD) 25 (3) 25 (5) 27 (7) 0.29
Weight, kg, mean (SD) 85 (15) 78 (10) 73 (9) < .0.001
Height, cm, mean (SD) 180 (6) 180 (6) 179 (6) 0.19
Body mass index, n (%)     < .0.001 *
   <19 8 (3) 8 (3) 3 (2)  
   19-24.9 138 (42) 173 (64) 106 (83)  
   25-29.9 127 (39) 79 (29) 18 (14)  
   ≥30 53 (16) 11 (4) 1 (1)  
Body fat, mean (SD) 21.3 (6.9) 16.1 (5.7) 12.0 (4.5) < 0.001
Lean body mass, mean (SD) 65.9 (8.2) 65.3 (7.1) 64.3 (6.6) 0.19
   Alcohol users ≥ once a week, n (%) 219 (67) 175 (65) 74 (58) 0.20
   Tobacco users, n (%) 161 (49) 85 (32) 20 (16) < 0.001
   Snuff users, n (%) 12 (4) 20 (7) 4 (3) 0.062
Self perceived general health, mean(SD) 25 (19) 21 (18) 18 (15) < 0.001
Self-reported morbidities, n (%) 110 (33) 82 (30) 40 (31) 0.72 *
Self perceived physical fitness compared to age mates, n (%)     < 0.001 *
   Highly lower 6 (2) 3 (1) 0(0)  
   Somewhat lower 141 (43) 23 (9) 2 (1)  
   Equal 152 (46) 128 (47) 41 (32)  
   Somewhat better 27 (8) 96 (35) 61 (48)  
   Highly better 2 (1) 21 (8) 24 (19)  
Self-reported leisure time physical activity, n (%)     < 0.001
   Low 159 (48) 53 (20) 8 (6)  
   Moderate 134 (41) 109 (40) 44 (34)  
   High 36 (11) 108 (40) 76 (59)  
  1. ANOVA or it's nonparametric equivalent Kruskall-Wallis-test
  2. * Chi-square