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Table 1 Key results from logistic regression models.

From: Drop-out and mood improvement: a randomised controlled trial with light exposure and physical exercise [ISRCTN36478292]

Variable coefficient s.e. p value
HDRS    
Age group* -.8 .50 .09
Total cholesterol** -1.6 .66 .01
Alcohol consumption† -1.6 .62 .008
ATYP score    
Age group* -1.0 .52 .05
Initial insomnia‡ 1.8 .72 .01
Quality of sleep ± -2.1 .69 .002
Alcohol consumption† -1.2 .60 .04
SIGH-SAD-SR total score    
Age group* -1.1 .53 .04
Initial insomnia‡ 1.5 .70 .03
Quality of sleep ± -1.6 .66 .02
Alcohol consumption† -1.8 .62 .005
  1. *Age group: over 40 years vs. under 40 years **Total cholesterol: previous high total serum cholesterol, yes vs. no †Alcohol consumption: over 7 drinks per week vs. 7 drinks or less per week ‡Initial insomnia: trouble falling asleep once a week to daily vs. less than once week ± Quality of sleep: bad or rather bad vs. normal to good