Table 1.

Distribution of demographic variables and frequencies related to the sample of 286 undergraduate dental students

n%
*Only positive answers (yes) were computed.
†Answers are not mutually exclusive.
Gender
    Female19166.8
    Male9533.2
Age*
    ≤22 years17561.2
    >22 years10837.8
Prevalence of accident
    Yes16758.4
    No11941.6
Type of accident†
    Cutaneous exposure9834.3
    Mucous membrane exposure196.6
    Percutaneous exposure8329.0
Biological material*
    Blood7124.8
    Saliva10235.7
Frequency of accidents*
    One8931.1
    Two4214.7
    Three196.6
    Four or more175.9
Severity of percutaneous injury*
    Superficial/moderate7388.0
    Deep1012.0
Individual protection equipment (IPE)†
    Complete25087.4
    Incomplete3612.6
    Long-sleeve coat19467.8
    Gloves28198.3
    Mask27295.1
    Glasses25689.5
    Cap26191.3
    Closed shoes27596.2
Source of incident*
    Hollow-bore needle2910.1
    Suture needle82.8
    Probe248.4
    Excavator3311.5
    Drill155.2
    Others279.2
Circumstances of accident*
    When recapping the needle103.5
    Spray of biological material207.0
    Rubbish management41.4
    Management of sharp instruments7124.8
    Procedure of cleaning instruments4315.0