Table 4.
Knowledge of Yemeni university students about some ill effects caused by cigarette smoking and toxic chemicals from cigarettes
|
One-way ANOVA results |
Pairwise comparison t-test (results between colleges) |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Colleges | n (%) | Mean | SD | F | p | College pairs | MD | 95% CI | p |
| Knowledge about some ill effects | |||||||||
| Economics | 154 (36.7) | 5.903 | 3.509 | 3.727 | 0.025 | 1 – 2 | -0.846 | (-1.836, 1.453) | 0.123 |
| Engineering | 135 (32.1) | 6.748 | 3.420 | 1 – 3 | 0.269 | (-0.730, 1.268) | 1 | ||
| Medicine | 131 (31.2) | 5.634 | 3.559 | 2 – 3 | 1.115 | (0.084, 2.145) | 0.029 | ||
| Knowledge about some toxic chemicals | |||||||||
| Economics | 154 (36.7) | 3.2208 | 2.23533 | 5.351 | 0.005 | 1 – 2 | -0.764 | (-1.837, -0.142) | 0.01 |
| Engineering | 135 (32.1) | 3.9852 | 2.08758 | 1 – 3 | -0.031 | (-0.659, 0.596) | 1 | ||
| Medicine | 131 (31.2) | 3.2519 | 2.25778 | 2 – 3 | 0.733 | (0.086, 1.381) | 0.02 | ||
| Total-related knowledge | |||||||||
| Economics | 154 (36.7) | 9.1234 | 4.81871 | 5.554 | 0.004 | 1 – 2 | -1.610 | (-3.020, -2.004) | 0.019 |
| Engineering | 135 (32.1) | 10.7333 | 4.83951 | 1 – 3 | 0.238 | (-1.183, 1.659) | 1 | ||
| Medicine | 131 (31.2) | 8.8855 | 5.28079 | 2 – 3 | 1.848 | (0.382, 3.314) | 0.008 | ||
1: Economics College, 2: Engineering College, 3: Medicine College. MD: mean difference, SD: standard deviation.