| Descriptive analysis | One Way ANOVA Test | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
 | N | Mean | Std. Deviation | 95% Confidence Interval for Mean | Min | Max | F | p.value | ||
Lower Bound | Upper Bound | |||||||||
GPA | < 2 | 34 | 64.5 | 9.4 | 61.2 | 67.8 | 47.6 | 83.3 | 2.979 | 0.032* |
2–2.5 | 164 | 69.74 | 9.4 | 68.3 | 71.2 | 40.5 | 90.5 | |||
2.5–3 | 59 | 69.37 | 10.4 | 66.7 | 72.1 | 42.9 | 90.5 | |||
> = 3 | 16 | 67.07 | 10.7 | 61.3 | 72.8 | 50 | 83.3 | |||
total | 273 | 68.85 | 9.8 | 67.7 | 70 | 40.5 | 90.5 | Â | Â | |
Mother’s Education | primary | 19 | 64.41 | 12.7 | 58.3 | 70.5 | 42.9 | 81 | 2.448 | 0.046* |
secondary | 24 | 68.13 | 10.3 | 63.8 | 72.5 | 47.6 | 88.1 | |||
high school | 95 | 67.47 | 9.8 | 65.5 | 69.5 | 42.9 | 90.5 | |||
university | 126 | 68.73 | 9.6 | 67 | 70.4 | 40.5 | 85.7 | |||
post-graduate | 37 | 72.2 | 8.1 | 69.5 | 74.9 | 50 | 85.7 | |||
 | total | 301 | 68.44 | 9.9 | 67.3 | 69.6 | 40.5 | 90.5 |  |  |
 | T | p.value | ||||||||
Smoking | no | 196 | 67.60 | 10.1 | 66.1 | 69.0 | 40.4 | 90.4 | −2.016 | 0.045* |
yes | 105 | 69.99 | 9.2 | 68.2 | 71.7 | 42.8 | 90.4 | |||
Total | 301 | 68.45 | 9.85 | 67.3 | 69.5 | 40.4 | 90.4 | Â | Â | |
Alcohol consumption | no | 273 | 68.0 | 9.96 | 66.8 | 69.2 | 40.4 | 90.4 | −2.032 | 0.043* |
yes | 28 | 72.0 | 8.08 | 68.8 | 75.1 | 47.6 | 83.3 | |||
Total | 301 | 68.4 | 9.85 | 67.3 | 69.5 | 40.4 | 90.4 | Â | Â |