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Table 3 Results of the linear multilevel analysis of SDQ

From: Effect of an education and activation programme on functional limitations and patient-perceived recovery in acute and sub-acute shoulder complaints – a randomised clinical trial

Variable Estimate (SE) p-value
Fixed parameter   
Treatment group 3.44(4.98) 0.4916
Time dummy 1 (6 weeks)1 -8.18(3.24) 0.01162
Time dummy 2 (26 weeks)3 -17.26(4.03) 0.00002
Catastrophising at baseline 6.84(5.10) 0.0000
SDQ score at baseline 0.53(0.11) 0.0000
Random effects   
   Variance at patient level   
   □ Time dummy1 819.03(133.67) 0.00002
   □ Time dummy 2 1227.20(205.03) 0.00002
  1. 1 This variable has the code 1 for 6 weeks and 0 otherwise
  2. 2 Based on the Wald statistic
  3. 3 This variable has the code 1 for 26 weeks and 0 otherwise