Table 2.

Demographic characteristics (N=307).

Characteristics		Participants, n (%)
Sex
	Male	151 (49.2)
	Female	156 (50.8)
Age (years)
	18-25	121 (39.4)
	26-30	67 (21.8)
	31-40	81 (26.4)
	41-50	30 (9.8)
	>50	8 (2.6)
Education
	Bachelor’s degree	137 (44.6)
	Master’s degree or doctoral degree	170 (55.4)
Experience in radiation oncology (years)
	≤3	122 (39.7)
	4-6	61 (19.9)
	7-10	23 (7.5)
	>10	101 (32.9)
Artificial intelligence–assisted contouring technology usage
	Yes	123 (40.1)
	No	184 (59.9)