Table 5.

Relationship between socio-economic factors and knowledge of the health risks of fast foods

Knowledge of health risks		Number	Mean knowledge scorea	Statistical significance
				t-test	P-value
Sex	Female	409	0.33 ± 0.32	2.18	0.029
	Male	223	0.28 ± 0.30
Education	Formal	356	0.34 ± 0.32	2.28	0.023
	Informal	276	0.28 ± 0.28
Residence	Urban	316	0.35 ± 0.32	3.38	0.001
	Rural	316	0.27 ± 0.30
Study allowance	Higher	258	0.35 ± 0.31	2.45	0.014
	Lower	369	0.29 ± 0.31
Attitude towards fast food	Like	334	0.32 ± 0.32	0.56	0.571
	Dislike	298	0.30 ± 0.30
Frequency of fast-food consumption	Low	355	0.34 ± 0.29	2.95	0.004
	High	264	0.27 ± 0.33
Father′s education	Lower	443	0.28 ± 0.32	3.93	0.000
	Higher	124	0.40 ± 0.29
Mother′s education	Lower	487	0.29 ± 0.32	2.77	0.006
	Higher	83	0.40 ± 0.29

^aKnowledge score calculated by averaging scores for answers (correct = 1, don′t know = 0, incorrect = −1).