Research Article

Knowledge, Attitudes, and Practices on Infection Control Measures in Stomatology Students in Lima, Peru

Table 3

Association between knowledge, attitudes, and practices regarding infection control measures in undergraduate stomatology students according to cycle.

QuestionAnswerCycle
Preclinical, (%)Clinical, (%)Internship, (%)

Q1: Do you wash your hands before and after patient examination?Yes143 (41.2)136 (39.1)57 (16.4)0.337
No6 (1.7)4 (1.5)1 (0.2)
Q2: With what do you wash your hands?Plain soap104 (29.9)105 (30.2)35 (10.0)0.384
Detergent0 (0)3 (0.8)0 (0)
Antiseptic solution45 (12.9)32 (9.2)23 (6.6)
Q3: Do you prefer oral mouth rinse before commencement of any treatment procedure?Yes117 (33.7)92 (26.5)41 (11.8)0.004
No32 (9.22)48 (13.8)17 (4.8)
Q4: Do you think isolation is important in infection?Yes139 (40.0)134 (38.6)57 (16.4)0.212
No10 (0.2)6 (1.1)1 (0.2)
Q5: With which of the following vaccines have you been vaccinated?Hepatitis B35 (10.0)26 (7.4)2 (0.5)0.098
Tetanus49 (14.1)56 (16.1)19 (5.4)
Tuberculosis62 (17.8)57 (16.4)36 (10.3)
None3 (0.8)1 (0.2)1 (0.2)
Q6: Which of the following do you use to sterilize the instruments? In dental clinic?Autoclave83 (23.9)113 (32.5)56 (16.1)p < 0.001
Boiling56 (16.1)21 (6.0)2 (0.5)
Washing10 (2.8)6 (1.7)0 (0)
Q7: Minimum time required for sterilization in autoclave5 min7 (2.0)4 (1.1)0 (0)0.001
10 min51 (14.6)25 (7.2)6 (1.7)
15 min91 (26.2)111 (31.9)52 (14.9)
Q8: Temperature for sterilization in autoclave100°C13 (3.7)8 (2.3)2 (0.5)0.038
120°C66 (19.0)67 (19.3)23 (6.6)
150°C70 (20.1)65 (18.7)33 (9.5)
Q9: Which of the following has the highest rate of transmission via saliva?Hepatitis B27 (7.7)41 (11.8)17 (4.8)p < 0.001
AIDS33 (9.5)27 (7.7)4 (1.1)
Tuberculosis60 (17.2)69 (19.8)32 (9.2)
Do not know29 (8.3)3 (0.8)5 (1.4)
Q10: What immediate action should be taken in case of direct blood contact with an HIV patient?Anti-HIV immunoglobulins37 (10.6)41 (11.8)14 (4.0)0.019
Anti-HIV drugs17 (4.8)20 (5.7)5 (1.4)
Blood tests58 (16.7)61 (17.5)43 (12.3)
Do not know37 (10.6)18 (5.1)5 (1.4)
Q11: Odds of HIV transmission after a single contaminated needlestick injury?0.1%–0.4%12 (3.4)6 (1.7)8 (2.3)0.073
1%–4%11 (3.1)20 (5.7)9 (2.5)
10%–40%38 (10.9)29 (8.3)12 (3.4)
70%–90%88 (25.3)85 (24.4)29 (8.3)
Q12: As a clinician, what protective measures do you take to prevent yourself from injury?Face mask and gloves5 (1.4)11 (3.1)2 (0.5)0.009
Eyewear23 (6.6)23 (6.6)10 (2.8)
Protective clothing5 (1.4)1 (0.2)1 (1.4)
All the above116 (33.4)105 (30.2)45 (12.9)
Q13: After use of gloves for a patient, what do you do with them?Dispose them148 (42.6)139 (40.0)58 (16.7)0.810
Reuse them after wash1 (1.4)1 (1.4)0 (0)
Reuse them after sterilization0 (0)0 (0)0 (0)
Q14: Ineffective sterilization during clinical practice can transmit the infection from one patient to another?Yes125 (36.0)132 (38.0)56 (16.1)0.001
No1 (1.4)3 (0.8)1 (1.4)
Do not know23 (6.6)5 (1.4)1 (1.4)
Q15: Apart from instrument sterilization, disinfection of dental chair, clinic, dental office is required?Yes132 (38.0)131 (37.7)55 (15.8)0.037
No4 (1.1)3 (0.8)1 (1.4)
Do not know13 (3.7)6 (1.7)2 (0.5)

Pearson’s chi-square test. Level of significance: .