Source of information | Group 1 (%) | Group 2 (%) | Group 3 (%) | P value | |
Academic curriculum | 38 | 18 | 5 | 0.001 | |
Reading scientific articles | 30 | 16 | 7 | 0.02 | |
Television | 4 | 6 | 10 | 0.001 | |
Internet | 21 | 22 | 9 | 0.5 | |
Discussion with friends | 16 | 12 | 10 | 0.3 | |
Radio | 1 | 2 | 3 | 0.1 | |
Other | 3 | 3 | 3 | 0.5 |