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Table 1 Demographic characteristics

From: Classification of the height and flexibility of the medial longitudinal arch of the foot

Variable Mean SD 95% CI Range
Age (years) 39 11.7 37 to 40 18 to 64
BMI kg/m2 27.3 4.7 26.7 to 27.9 18.2 to 44.0
Sex* 198 m/56 f N/A N/A N/A
Previous injuries during the last 12 months (yes/no)* 40/214 N/A N/A N/A
Standing work (years) 19 11.8 17.6 to 20.5 1 to 50
Standing work today (min) 259 114 244 to 273 0 to 720
Foot size (cm) 26.3 1.7 26.1 to 26.4 22 to 30.3
  1. Demographic characteristics of the participants (n = 254). SD: standard deviation; 95% CI: 95% confidence intervals; cm: centimetre; min: minutes; * proportion presented. Standing work years represents the total number of years performing standing work. Standing work today represents the number of hours worked at the time of measurement. N/A = not available