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Table 3 Association between population characteristics and the use of sources of knowledge and evidence

From: Factors influencing the development of evidence-based practice among nurses: a self-report survey

Characteristics Own experience Social interaction Internal source of knowledge External source of knowledge Research evidence
  Mean score (SD) Mean score (SD) Mean score (SD) Mean score (SD) Mean score (SD)
Age (years)      
22-30 2.30 (0.42) 2.79 (0.31) 2.41 (0.37) 1.97 (0.41) 1.80 (0.47)
31-40 2.42 (0.34) 2.80 (0.34) 2.44 (0.33) 1.85 (0.43) 1.75 (0.45)
41-50 2.42 (0.36) 2.74 (0.37) 2.45 (0.41) 1.91 (0.53) 1.94 (0.58)
51-63 2.51 (0.42) 2.73 (0.38) 2.48 (0.34) 1.74 (0.64) 1.97 (0.55)
P value1 0.003 0.16 0.19 0.003 0.003
Adjusted P value2 0.50 0.08 0.27 0.27 0.002
Number of years of nursing practice      
0 -5 2.33 (0.41) 2.80 (0.31) 2.42 (0.37) 1.95 (0.43) 1.79 (0.48)
6-10 2.42 (0.34) 2.75 (0.38) 2.47 (0.37) 1.86 (0.44) 1.85 (0.53)
11-20 2.47 (0.37) 2.71 (0.38) 2.44 (0.37) 1.87 (0.52) 1.90 (0.57)
21-40 2.49 (0.39) 2.76 (0.35) 2.46 (0.36) 1.70 (0.46) 1.95 (0.53)
P value1 0.001 0.18 0.47 <0.001 0.02
Adjusted P value2 0.41 0.63 0.09 0.004 0.12
Number of years since obtaining last health professional degree      
0 -5 2.35 (0.40) 2.75 (0.34) 2.42 (0.36) 1.92 (0.44) 1.83 (0.51)
6-10 2.44 (0.35) 2.77 (0.36) 2.49 (0.35) 1.84 (0.49) 1.91 (0.55)
11-20 2.49 (0.39) 2.77 (0.37) 2.43 (0.38) 1.79 (0.51) 1.86 (0.52)
21-37 2.52 (0.37) 2.79 (0.37) 2.46 (0.35) 1.75 (0.47) 1.92 (0.52)
P value1 0.001 0.51 0.47 0.009 0.25
Adjusted P value2 0.60 0.91 0.30 0.22 0.42
  1. Note: SD standard deviation.
  2. 1 P value for trend was estimated by incorporating the categorical variable as a linear term in linear regression models.
  3. 2 Mutually adjusted for the nurse’s age, number of years of nursing practice, number of years since obtaining last health professional degree, and current educational level.