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Table 1 Description of the study population.

From: Exposure of hairdressing apprentices to airborne hazardous substances

 

All apprentices (n = 300)

Exposure volunteers (n = 28)

Gender

  

   Female

293 (97,7)

27 (96,4)

   Male

7 (2,3)

1 (3,6)

Training level

  

   First year

73 (24.3)

4 (14,3)

   Second year

141 (47.0)

17 (60,7)

   Third year

86 (28.7)

7 (25.0)