Table 3: Relation between demographic characteristics of studied mothers and their total knowledge.

	Total knowledge			Chi-square p. value
	Satisfaction N=412		Unsatisfaction N=588
Age:
20 - <30	270	65.5	84	14.3	6.101 <0.05*
30 - <40	112	27.2	198	33.7
40	30	7.3	306	52
Education level:
Preparatory	40	9.7	210	35.7	9.632 <0.01**
Secondary	182	44.2	370	62.9
University	190	46.1	8	1.4
Family income
Insufficient	80	19.4	94	15.9	2.006 >0.05
Sufficient	332	80.6	494	84.1
Occupation
Employee	194	47.1	305	51.9	1.333 >0.05
Housewife	218	52.9	283	48.1
Training courses about First aid
Yes	200	48.5	39	6.6	13.022 <0.01**
No	212	51.5	549	93.4