Skip to main content

Advertisement

Table 1 Descriptive data of the study population

From: Absence of low back pain to demarcate an episode: a prospective multicentre study in primary care

Variable Dropouts Excluded Study sample
Number of subjects 18 22 222
Age in years, mean (SDa) 43 (11) 41 (14) 44 (11)
Sex distribution, %    
 Men 56 64 50
 Women 44 36 49
Main type of occupation, %:    
 Sitting 38 29 43
 Standing 13 19 22
 Varying 37 28 28
 Heavy 12 24 7
Pain intensity 0–10, mean (SDa) 3.9 (3.1) 5.4 (2.3) 4.3 (2.2)
Presence of leg pain, % 59 47 49
Pain duration >30 days, % 33 57 59
  1. a SD standard deviation