Table 5.

Mean Values of Demographic Indicators by Latent Class (n=513)

	Perceived Knowledge Classes
Demographic Indicators	Low Perceived Knowledge mean (SD)	Moderate Perceived Knowledge mean (SD)	High Perceived Knowledge mean (SD)
Years since graduation from highest nursing degree	10.07 (8.94)	10.36 (10.04)	12.86 (11.37)
Total years in active nursing practice, years	12.29 (9.87)	12.07 (11.05)	14.24 (11.83)
Total years in current nursing position, years	5.49 (5.94)	5.85 (6.84)	6.46 (6.50)
Frequency of care
Patients with moderate-to-severe TBI	3.50 (1.40)	2.59 (1.36)	2.57 (1.84)
Men with moderate-to-severe TBI	3.42 (1.43)	2.69 (1.66)	2.49 (1.87)
Women with moderate-to-severe TBI	3.14 (1.56)	2.55 (1.67)	2.58 (1.98)