slightly significantp -value = 0.045
Finally, unpaired Student’s T-test showed a slightly significant difference in the overall mean knowledge scores between smokers and non-smokers (69.99% vs. 67.60%) (T = − 2.016, p -value = 0.045), and consumers and non-consumers of alcohol (72.0% vs. 68%) (T = − 2.032, p = 0.043) (Table 5 ).