A Female Hair Clip and Orthodontists’ Neck-Back Pain Perception: A Survey

Table 2

Orthodontists’ responses to the online questionnaire regarding location of pain with gender difference.

Questions	Gender	Back pain		Neck pain		Both		None		Comparison
		N	%	N	%	N	%	N	%
During the bonding appointment, what does the large hair clip cause?	Female	2	4	17	34	29	58	2	4	X^2 = 3.455; d.f. = 3; value = 0.327
	Male	2	4	11	22	31	62	6	12
	Total	4	4	28	28	60	60	8	8
During fixed appliance activation visits, what does the large hair clip cause?	Female	2	4	18	36	24	48	6	12	X^2 = 8.664; d.f. = 3; value = 0.034
	Male	2	4	8	16	24	48	16	32
	Total	4	4	26	26	48	48	22	22
During debonding appointments, what does the large hair clip cause?	Female	3	6	17	34	26	52	4	8	X^2 = 10.182; d.f. = 3; value = 0.017
	Male	4	8	12	24	18	36	16	32
	Total	7	7	29	29	44	44	20	20