[Retracted] Correlation Analysis between Emotion Control and Professional Self-Efficacy of Singing Artists Based on Multidimensional Environment

Table 2

Questionnaire survey basic information table.

	Category	Number of people	Questionnaire valid percentage
Gender	Boys	5	3.4
	Girls	140	96.6
Age	Under 30 years old	2	1.4
	Between the ages of 30 and 45	5	3.4
	Between the ages of 45 and 60	38	26.2
	Over 60 years old	100	69
Singing years	Less than three years	45	31
	More than three years and less than five years	25	17.2
	More than five years and less than eight years	20	13.8
	More than eight years	55	38
Professional level	Professional	125	86.2
	Amateur	20	13.8
Singing level	Primary	35	24.1
	Intermediate	45	31
	Advanced	65	44.9
Education level	No education	15	10.3
	Educated in higher education	130	89.7