Table 5.

Variables evaluation: Educational level of father and mother, mother with a job and profession, according to breathing pattern.

Breathing pattern
Variables	Nasal		Oral		TOTAL		P value
	n	%	n	%	n	%
• Father's Education
Did not finish basic education	17	34.0	33	66.0	50	100.0	p(1) = 0.1095
Did not finish intermediate education	7	38.9	11	61.1	18	100.0
With Intermediate/higher education	36	52.9	32	47.1	68	100.0
Total Group(3)	60	44.1	76	55.9	136	100.0
(3) - We did not have this information for seven of the students.
• Mother's Education
Did not finish basic education	18	35.3	33	64.7	51	100.0	p(1) = 0.2190
Did not finish intermediate education	11	45.8	13	54.2	24	100.0
With Intermediate/higher education	32	51.6	30	48.4	62	100.0
Total Group (3)	61	44.5	76	55.5	137	100.0
(3) - We did not have this information for six of the students.
• Mother has a job
Yes	41	45.6	47	53.4	88	100.0	p(1) = 0.6226
No	22	42.3	30	56.7	30	100.0
Total Group(3)	63	45.0	77	55.0	140	100.0
(3) - We did not have this information for three of the students
• Profession
Self-employed	13	46.4	15	53.6	18	100.0	p(1) = 0.9309
Employed	30	45.4	36	54.6	66	100.0
Total Group(3)	43	45.7	51	54.3	94	100.0
(3) - These data regard 88 mothers who had a job out of the home and 6 who worked as self-employed at home.

(*) - Significant difference at 5.0%.

(1) - By means of the Pearson's Chi-squared test

(2) - By means of Fisher's exact test.