Variables Category Knowledge COR (95% CI) AOR (95% CI) valueAdequate Inadequate Age (years) <31 208 247 1 1 >31 212 108 2.33 (1.73, 3.13) 1.42 (0.95, 2.14) 0.084 Sex Male 118 144 1.18 (0.89, 1.58) 1.37 (0.95, 1.97) 0.088 Female 232 211 1 1 Monthly income (ETB) <5358 123 219 1 1 5358–6193 64 46 2.47 (1.59 3.84) 0.78 (0.41, 1.45) 0.433 6193–7071 100 51 3.49 (2.33, 5.22) 0.57 (0.29, 1.13) 0.112 7071–8017 85 28 5.40 (3.34, 8.74) 1.85 (0.95, 3.58) 0.068 >8017 48 11 7.76 (3.89, 15.51) 1.08 (0.39, 2.99) 0.870 Educational qualification Diploma 63 162 1 1 BSc 284 178 4.10 (2.92, 5.79) 2.86 (1.80, 4.56) <0.001 MSc 73 15 12.51 (6.68, 23.43) 3.51 (1.37, 8.99) 0.009 Years of experience <1 year 35 105 1 1 1–3 years 57 87 1.96 (1.18, 3.26) 2.19 (1.20, 4.00) 0.010 3–5 years 76 57 4.00 (2.39, 6.68) 3.99 (2.05, 7.79) <0.001 >5 years 252 106 7.13 (4.57, 11.12) 5.59 (2.86, 10.94) <0.001 Education on NPPM Yes 263 194 1.39 (1.04, 1.85) 1.11 (0.77, 1.59) 0.564 No 157 161 1 1 Need to have education on NPPM Yes 321 257 1.23 (0.89, 1.70) 1.31 (0.86, 2.02) 0.205 No 99 98 1 1 Working unit Pediatrics 61 85 1 1 Oncology 8 6 1.86 (0.80, 7.85) 2.08 (0.50, 8.71) 0.312 OPD 64 87 1.02 (0.64, 1.62) 1.41 (0.80, 2.47) 0.227 Emergency 63 27 3.25 (1.86, 5.68) 5.10 (2.57, 10.11) <0.001 OR 38 38 1.39 (0.79, 2.43) 1.18 (0.61, 2.29) 0.614 Orthopedic 26 12 3.01 (1.41, 6.44) 5.61 (2.25, 13.96) <0.001 Recovery 23 9 3.56 (1.54, 8.23) 2.05 (0.76, 5.57) 0.156 ICU 43 15 3.99 (2.03, 7.83) 3.06 (1.38, 6.77) 0.006 Medical 55 62 1.23 (0.75, 2.01) 1.41 (0.77, 2.58) 0.252 Surgical 38 15 3.53 (1.78, 6.98) 5.29 (2.32, 12.05) <0.001 Nurse-to-patient ratio 1 : 4 175 61 3.17 (2.19, 4.58) 2.33 (1.44, 3.78) 0.001 1 : 6 52 47 1.22 (0.77, 1.92) 1.05 (0.60, 1.84) 0.857 1 : 8 51 90 0.62 (0.41, 0.94) 0.38 (0.22, 0.64) <0.001 Undetermined 142 157 1 1 Presence of workload Yes 248 276 0.41 (0.30, 0.56) 0.63 (0.42, 0.972) 0.036 No 172 79 1 1 Lack of evidence Yes 186 214 0.52 (0.39, 0.69) 0.835 (0.57, 1.20) 0.335 No 234 141 1 1 Working hours per day 8 hours 252 179 2.19 (1.46, 3.28) 2.15 (1.27, 3.62) 0.004 8–12 hours 118 98 1.87 (1.20, 2.93) 2.09 (1.18, 3.70) 0.011 >12 hours 50 78 1 1 Ever used NPPM? Yes 346 275 1.36 (0.95, 1.93) 1.24 (0.79, 1.93) 0.336 No 74 80 1 1 On-the-job training? Yes 132 88 1.391 (1.01, 1.90) 0.98 (0.64, 1.49) 0.945 No 288 267 1 1