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Table 1 Baseline Demographics and Prognostic Indicators

From: Back pain outcomes in primary care following a practice improvement intervention:- a prospective cohort study

  Mean(SD)  
Variable Cohort 1 (n = 53)
(pre-workshops)
Cohort 2 (n = 48)
(post-workshops)
Significance (p)
Age 47.02 (10.589) (range 22-69) 47.48 (11.526) (range 18-64) 0.693*
Gender (% F) 51% 52% 0.909**
Age left school    
   • <16 yrs 34% (n = 18) 35% (n = 17) 0.880**
   • ≥16 yrs 66% (n = 35) 65% (n = 31)  
Duration (weeks) 3.47 (2.791) 3.94 (3.069) 0.523**
Chronicity (proportion of previous 12 m)    
   • <50% 57% 52% 0.655**
   • ≥50% 13% 31% 0.032**
   • First episode 30% 17% 0.118**
Severity (/10) 7.38 (1.632) 7.10 (1.882) 0.538*
Disability (/24) 10.91 (5.289) 12.06 (4.782) 0.195*
Job satisfaction (enjoy job) 81% 60% 0.014**
Bothersomeness    
   • LBP (/5) 3.83 (0.955) 3.79 (1.031) 0.896*
   • Leg pain (/5) 2.47 (1.475) 2.62 (1.071) 0.588*
   • Moderate-severe leg pain (3-5/5) 42% (n = 22) 52% (n = 25) 0.296**
Interference with work (1-4) 2.98 (0.990) 2.96 (1.071) 0.908*
Life impact (0-4) 0.36 (0.834) 0.52 (0.031) 0.415*
Cut down activities (/28 days) 8.13 (6.964) 11.29 (8.417) 0.060*
Cut down work (/28 days) 5.29 (6.141) 6.41 (7.305) 0.666*
Downheartedness (/5) 1.51 (1.250) 1.98 (1.407) 0.067*
  1. * = Mann-Whitney, ** = Fisher Exact test