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Table 3 Missing data.

From: Subacute and chronic, non-specific back and neck pain: cognitive-behavioural rehabilitation versus primary care. A randomized controlled trial

Follow-up

Six months

p-value

12 months

p-value

18 months*

All forms

p-value

Rehabilitation group (n = 61)

       

   Previous sick-listing (days)**

397 vs. 215

.008

371 vs. 214

.01

-

-

 

   Current sick-listing at baseline (days)

367 vs. 158

< .001

346 vs. 156

< .001

-

275 vs. 151

.003

   Unemployment (%)

-

-

60 vs. 18

.03

-

-

 

Primary-care group (n = 62)

       

   Age (years)

35.8 vs. 44.8

.006

-

 

-

38.3 vs. 45.3

.01

   Single (%)

58 vs. 28

.046

-

 

-

-

 

   EQ-5D [49]

-

-

.357 vs. .562

.046

-

-

 
  1. Non-responders versus responders. Significant differences at baseline. Descriptive statistics.
  2. *At 18 months there were no significant differences.
  3. ** = Net days over the 18 months preceding baseline.