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Table 3 TSH level according to night shift work from 2011 to 2015ª

From: Relationship between thyroid stimulating hormone and night shift work

TSH Year n ßd 95 % CI P-value
GLMb 2011 553 0.245 −0.140–0.631 0.212
2012 602 0.250 −0.088–0.589 0.148
2013 776 0.278 −0.008–0.564 0.057
2014 831 0.215 −0.064–0.566 0.118
2015 967 0.284 −0.060–0.628 0.106
GEEc 2011-2015 967 0.303 0.087-0.519 0.006
  1. aThe models were adjusted for age (GLM) or age and department (GEE). TSH was a continuous variable
  2. bThe GLM was used to evaluate the relationship between night shift work and TSH levels from 2011 to 2015
  3. cThe GEE was used to evaluate the relationship between night shift work and TSH levels during the 5 years
  4. dß means difference between night shift workers and non- night shift works