Table 7.

Chi-Square test for independent samples (cross tabulation tables) when studying differences in the anxiety because of the dentist attributable to variables (sex, age, date of onset, frequency of disease per month, smoking) (n=83).

Variables	Variable groups	Anxiety feeling				P value
		Yes		No
		Number	Percentage	Number	Percentage
Sex	Male	1	1.2%	4	4.8%	2.51 NS
	Female	44	53%	34	41%
Age in years	17-30	21	25.3%	22	26.5%	4.41 NS
	31-45	22	26.5%	11	13.3%
	46-60	2	2.4%	5	6%
Onset of migraine in minutes	10-20	16	19.3%	15	18.1%	1.53 NS
	21-30	19	22.9%	13	15.7%
	31-40	8	9.6%	6	7.2%
	41-50	2	2.4%	4	4.8%
Number of repeated sicknesses per month	Less than 15 days	37	44.6%	29	34.9%	0.44 NS
	More than 15 days	8	9.6%	9	10.8%
Smoking	Yes	10	12%	7	8.4%	0.18 NS
	No	35	42.2%	31	37.3%

NS – Not Significant.