Journal of Toxicology / 2014 / Article / Tab 4

Research Article

Determination of Mercury Exposure among Dental Health Workers in Nakhon Si Thammarat Province, Thailand

Table 4

Descriptive characteristics of urinary mercury levels, PPEs used, and personal hygiene, behaviors, and dietary habit.

ParameterNumber of mercury exposed dental health workers Urinary mercury mean
(µg/g creatinine)
SD value

Position
 Dentists165.371.290.182
 Dental hygienists708.751.95
 Dental assistants388.661.16
Duration of work (yrs)
 ≤5103.150.020.0
 >51148.471.09
PPEs uses
 Mask
  Yes1107.190.89<0.
  No1416.841.28
 Glove
  Yes306.911.25<0.
  No9412.591.32
 Safety glasses
  Yes107.641.680.223
  No1145.300.87
Ate snacks/drank water during work
 Sometimes887.801.760.252
 Always369.461.17
Wash hands before lunch
 Sometimes629.580.970.0
 Always626.981.53
Wash hands before dinner
 Sometimes569.261.510.166
 Always687.481.25
Clean cloths
 Everyday247.640.680.134
 2-3 days165.300.87
 Week or more849.040.08
Dietary habit
 ≤3 times/month535.231.680.0
 ≥3 times/month719.850.88

Significant at value < 0.05.