Table 2. - Evaluation of knowledge of nurses on child development before and after intervention. João Pessoa, PB, Brazil, 2009.

Questions	Successes	Intervention	P
		Before (n=45)	After (n=45)
		n	%	n	%
Causes why a two months old child does not follow moving objects with his/her eyes	Yes	27	60.0	39	86.7	0.009
	No	18	40.0	06	13.3
Age at which the child sit without support	Yes	38	84.4	30	66.7	0.09
	No	07	15.6	15	33.3
Age at which the child hearing is present	Yes	32	71.1	34	75.6	0.81
	No	13	28.9	11	24.4
Age at which the child develops language	Yes	28	62.2	33	73.3	0.37
	No	17	37.8	12	26.7
Knowledge about the motor development	Yes	10	22.2	25	55.6	0.002
	No	35	77.8	20	44.4
General knowledge of child development	Yes	22	48.9	33	73.3	0.03
	No	23	51.1	12	26.7
Risk factors related to neuropsychomotor deficit	Yes	36	80.0	37	82.2	1.00
	No	09	20.0	08	17.8
Identification of language delay	Yes	30	66.7	34	75.6	0.49
	No	15	33.3	11	24.4
Identification of skills expected for the age	Yes	29	64.4	32	71.1	0.65
	No	16	35.6	13	28.9
Knowledge about primitive reflexes	Yes	24	53.3	29	64.4	0.39
	No	21	46.7	16	35.6
Identification of the command of the development functions	Yes	15	33.3	14	31.1	1.00
	No	30	66.7	31	68.9
Perception of child development	Yes	25	55.6	29	64.4	0.52
	No	20	44.4	16	35.6
General knowledge of motor skills	Yes	12	26.7	12	26.7	0.81
	No	33	73.3	33	73.3
Average of correct answers (SD)		7.3	(2.3)	8.5	(2.2)	0.001*

* Paired t-test