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Table 4 Proportion comparisons of certain characteristics among the studied groups

From: Experience and limited lighting may affect sleepiness of tunnel workers

Variable Epworth <10 (n = 35) Epworth >10 (n = 7) Sig. p-values
  n (%) n (%)  
Post    
tunnel workers 14 (40%) 3 (42.86%) NS
worksite workers 21 (60%) 4 (57.14%) NS
Shift    
22-7 5 (14.29%) 4 (57.14%) 0.012
6-16/16-2 30 (85.71%) 3 (42.86%) NS
Marital State    
children 29 (82.86%) 5 (71.43%) NS
married 2 (5.71%) 0 (0%) NS
single 4 (11.43%) 2 (28.57%) NS
Coffee consumption    
no 3 (8.57%) 0 (0%) NS
sometimes 22 (62.86%) 7 (100%) NS
yes 10 (28.57%) 0 (0%) NS
Smoking    
no 12 (34.29%) 1 (14.29%) NS
yes 23 (65.71%) 6 (85.71%) NS
Alcohol consumption    
no 14 (40%) 2 (28.57%) NS
sometimes 10 (28.57%) 2 (28.57%) NS
yes 11 (31.43%) 3 (42.86%) NS