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Table 1 Description of the population

From: Socioeconomic disparities in gait speed and associated characteristics in early old age

   Men   Women  
   N % N %
Usual gait speed Two lower tertiles (slower speed) 268 67.5 217 64.0
  Upper tertile 129 32.5 122 36.0
Occupational class Manager/executive 157 39.6   
  Intermediate grade/tradesmen 117 29.5   
  Clerks, sales/service workers 33 8.3   
  Blue collar/Craftsmen 90 22.7   
  Manager/executive    53 15.6
  Intermediate grade/tradesmen    101 29.8
  Clerks    86 25.4
  Sales/service workers/Blue collar/Craftsman    99 29.2
Age 55–60 180 45.3 174 51.3
  61–69 217 54.7 165 48.7
Sport Never 129 32.5 112 33.0
  <=2 hours/week 115 29.0 123 36.3
  >2 hours/week 153 38.5 104 30.7
BMI* Normal weight 145 36.5 183 54.0
  Overweight 192 48.4 113 33.3
  Obese 60 15.1 43 12.7
Height Average** 192 48.4 183 54.0
  Taller*** 205 51.6 156 46.0
Smoking Ever 232 58.4 109 32.2
  Never 165 41.6 230 67.8
Cardiovascular disorders Absence 293 73.8 261 77.0
  Presence 104 26.2 78 23.0
Musculoskelatal disorders Absence 332 83.6 246 72.6
  Presence 65 16.4 93 27.4
Carrying heavy loads Ever exposed 129 32.5 107 31.6
  Never exposed 268 67.5 232 68.4
Repetitive work Ever exposed 48 12.1 50 14.7
  Never exposed 349 87.9 289 85.3
  1. *Standard=less than 25 Kg/m2; overweight=from 25 to less than 30 Kg/m2; obese=at least 30 Kg/m2
  2. **Less than 1.73 for men; 1.60 m or less for women
  3. ***1.73m or more for men; more than 1.60m for women