Journal List > J Korean Acad Nurs > v.48(3) > 1108869

Kang, Cho, Jeong, Kim, Yun, and Shim: Development and Validation of a Measurement to Assess Person-centered Critical Care Nursing

Abstract

Purpose

The purpose of this study was to develop a scale to measure person-centered critical care nursing and verify its reliability and validity.

Methods

A total of 38 preliminary items on person-centered critical care nursing were selected using content validity analysis of and expert opinion on 72 candidate items derived through literature review and qualitative interviews. We conducted a questionnaire survey with 477 nurses who worked in intensive care units. The collected data were analyzed using exploratory factor analysis (EFA) and confirmative factor analysis (CFA) with SPSS and AMOS 24.0 program.

Results

EFA was performed with principal axis factor analysis and Varimax rotation. The 15 items in 4 factors that accounted for 50.8% of the total variance were identified by deleting the items that were not meet the condition that the commonality should be .30 or more and the factor loading over .40. We named the factors as compassion, individuality, respect, and comfort, respectively. The correlation coefficient between this scale and the Caring Perception Scale was r=.57 (p<.001), which determined concurrent validity. The item-total correlation values ranged from .39 to .63, and the internal consistency for the scale was Cronbach's α=.84.

Conclusion

The reliability and validity of the 15 item person-centered critical care nursing scale were verified. It is expected that the use of this scale would expand person-centered care in critical care nursing.

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Table 1.
The Difference of PCCN according to the General Characteristics (N=477)
Characteristics Categories EFA (n=239) CFA (n=238) t or χ2 (p) Total PCCN (total)
n (%) n (%) ) n (%) or M±SD M±SD t or F (p)
Gender Male 12 (5.0) 10 (4.2) 0.18 22 (4.6) 3.88±0.40 0.98
Female 227 (95.0) 228 (95.8) (.670) 455 (95.4) 3.80±0.56 (.329)
Age (yr) 3.05 29.8±6.7 0.81
<25 43 (18.0) 44 (18.6) (.384) 87 (18.3) 3.87±0.40 (.491)
25~29 106 (44.4) 96 (40.5) 202 (42.4) 3.85±0.39
30~34 48 (20.0) 41 (17.3) 89 (18.7) 3.88±0.43
≥35 42 (17.6) 56 (23.6) 98 (20.6) 3.93±0.41
Marital status Single 173 (72.4) 174 (73.1) 0.03 347 (72.7) 3.85±0.38 1.95
Married 66 (27.6) 64 (26.9) (.859) 130 (27.3) 3.93±0.47 (.052)
Religion Yes 123 (51.5) 128 (53.8) 0.26 251 (52.6) 3.92±0.41 2.76
No 116 (48.5) 110 (46.2) (.612) 226 (47.4) 3.82±0.40 (.006)
Highest degree held Diploma 26 (10.9) 22 (9.2) 2.78 48 (10.1) 3.90±0.36 5.45
Bachelora 192 (80.3) 184 (77.3) (.249) 376 (78.8) 3.84±0.40 (.005)
≥Masterb 21 (8.8) 32 (13.5) 53 (11.1) 4.04±0.46 a<b
Hospital size (number of bed) General hospital 31 (13.0) 29 (12.2) 1.06 60 (12.6) 3.85±0.31 -0.48
Advanced general hospital 208 (87.0) 208 (87.8) (.588) 416 (87.4) 3.55±0.42 (.635)
ICU experience(yr) 0.45 5.43±5.10 1.29
<1 19 (8.0) 18 (7.7) (.931) 37 (7.9) 3.90±0.41 (.276)
1~5 125 (52.8) 120 (51.0) 245 (51.9) 3.84±0.37
6~10 56 (23.6) 55 (23.4) 111 (23.5) 3.90±0.43
≥11 37 (15.6) 42 (17.9) 79 (16.7) 3.92±0.41
Position Staff nurse 217 (90.8) 203 (85.3) 3.43 420 (88.1) 3.84±0.40 -4.22
≥Charge nurse 22 (9.2) 35 (14.7) (.064) 57 (11.9) 4.08±0.05 (<.001)
ICU type Mixeda 41 (17.1) 39 (16.4) 0.39 80 (16.8) 3.74±0.40 4.98
Surgicalb Medical 44 (18.4) 53 (22.2) 44 (18.5) 57 (23.9) (.984) 88 (18.4) 110 (23.0) 3.98±0.34 3.82±0.43 (.001) a<b,c
Neurological 25 (10.5) 22 (9.3) 47 (9.9) 3.82±0.48
Others†† 76 (31.8) 76 (31.9) 152 (31.9) 3.93±0.39
Number of patients per nurse 0.11 2.78±0.84 1.53
≤2 78 (32.6) 81 (34.0) (.746) 159 (33.3) 3.91±0.39 (.127)
>2 161 (67.4) 157 (66.0) 318 (66.7) 3.86±0.42
Number of beds in ICU ≤10b 59 (24.7) 56 (23.5) 0.09 115 (24.1) 3.94±0.38 4.67
11~20 102 (42.7) 103 (43.3) (.957) 205 (43.0) 3.89±0.39 (.010)
≥21a 78 (32.6) 79 (33.2) 157 (32.9) 3.80±0.44 a<b

EFA=Exploratory factor analysis; CFA=Confirmatory factor analysis; PCCN=Person-centered critical care nursing; ICU=Intensive care unit.

Missing included;

†† Cardiac intensive care unit & Emergency intensive care unit.

Table 2.
Rotated Factor Pattern Matrix (N=239)
Item Factor
1 2 3 4
23. Condole patient and family with words and actions .874 .092 .171 .162
22. Try to empathize with the situation of the patient and family .733 .199 .278 .145
24. Try to make therapeutic contact with the patient and family (e.g., holding hands) .575 .117 .388 .030
21. Talk to the patient and family about everyday topics (e.g., news, hobbies, interests) .442 .285 .253 .103
4. Allow the patient to bring in the desired item (e.g., doll, religious article, photo, pillow) .100 .725 .002 .097
3. Allow the patient to enjoy desired entertainment activities (e.g., listening to music, watching videos, reading) .049 .689 .142 .080
20. In addition to the scheduled time, allow family visits if necessary .278 .502 -.039 .190
17. Allow the family to participate in patient care (e.g., personal hygiene, feeding) .088 .445 .041 .383
28. Talk to the unconscious patient as if he/she can listen to you .263 -.008 .652 .244
29. Try non-verbal communication with the patient who can not speak .241 .011 .627 .058
12. Allow the patient to urinate or defecate in the way he/she wants, to the extent possible .073 .274 .488 .216
25. Consider other patients in the vicinity when CPR or death is ongoing .324 -.051 .467 .224
8. Avoid unnecessary noise (e.g., chattering of medical staff, alarms) .104 .194 .325 .774
9. Try to reduce unpleasant odor in the intensive care unit .205 .085 .338 .571
7. Adjust lighting according to patients’ preference at night .101 .413 .063 .559
  Eigen value 2.23 1.89 1.84 1.66
  Explained variance (%) 14.8 12.6 12.3 1 11.0
  Total explained variances (%) 14.8 27.4 39.7 5 50.8
Table 3.
Confirmatory Factor of Analysis Finding (N=238)
Factors Item S Standardized estimate (β) SE C.R. Factors AVE CR
1 (r) 2 (r) 3 (r)
1. Compassion 21 .60 .10 9.18 1 .64 .88
22 .86 .07 13.63
23 .88 .07 13.94
24 .76 - -
2. Individuality 3 .57 .20 6.33 .62 1 .42 .74
4 .70 .20 7.14
17 .64 .16 6.80
20 .56 - -
3. Respect 12 .37 .14 4.98 .80 .44 1 .46 .76
25 .71 .12 9.01
28 .70 .12 8.86
29 .68 - -
4. Comfort 7 .71 .12 9.33 .51 .65 .57 .67 .86
8 .82 .13 10.09
9 .71 - -
Fitness index χ2 (p) df CMIN/DF GFI SRMR RMSEA (90% CI) TU CFI
Criteria (>.05) ≤3.0 ≥.90 ≤.05 .05~.08 ≥.90 ≥.90
Model 205.13 84 2.68 .90 .05 .08 .90 .91
(<.001)

PCCN=Person-centered critical care nursing; SE=Standard error; C.R.=Critical ratio; AVE=Average variance extracted; CR=Construct reliability; CMIN/DF=Chi square minimum/degree of freedom; GFI=Goodness of fit index; SRMR=Standardized root mean residual; RMSEA=Root mean square error of approximation; CI=Confidence interval; TLI=Turker lewis index; CFI=Comparative fit index.

Table 4.
Reliability Coefficients (N=238
Factors Item ITC (r) Alpha if item Cronbach's
deleted alpha
Compassion 21 .52 .84 .81
22 .63 .84
23 .58 .84
24 .52 .84
Individuality 3 .42 .85 .72
4 .39 .85
17 .42 .85
20 .43 .85
Respect 12 .44 .85 .71
25 .52 .84
28 .42 .85
29 .49 .85
Comfort 7 .50 .85 .76
8 .60 .84
9 .53 .84
Total .84

ITC=Item-total correlation.

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