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Table 5 The time in seconds required to complete the Trail-making test (TMT) part A and B

From: Transcranial bright light treatment via the ear canals in seasonal affective disorder: a randomized, double-blind dose-response study

Measure Group 1 (n = 28) Group 2 (n = 31) Group 3 (n = 30)
  Mean (s) 95% CI (s)   Mean (s) 95% CI (s)   Mean (s) 95% CI (s)  
TMT-A          
  Week 0 31.0 27.0-34.9   34.5 31.3-37.6   32.7 26.1-39.2  
  Week 4 27.0 23.3-30.7   27.1 24.5-29.8   22.5 19.5-25.4  
TMT-B          
  Week 0 65.1 57.4-72.7   66.8 60.7-72.8   73.0 62.0-84.1  
  Week 4 59.7 49.4-70.0   56.6 51.8-61.4   58.5 47.5-69.5  
Change % 95% CI p-value % 95% CI p-value % 95% CI p-value
  TMT-A -9.7 -2.2- -17.3 0.0066 -18.0 -11.6- -24.4 <0.0001 -18.7 -12.3- -25.1 0.0004
  TMT-B -6.5 5.0- -18.1 0.1104 -11.2 -4.9- -17.4 0.0009 -7.9 -1.2- -16.9 0.1060