1. Background
2. Objectives
3. Methods
3.1. Study Design
3.2. Participants
3.3. Sample Size
3.4. Randomization
3.5. Intervention
3.5.1. Intervention Fidelity and Quality Control
3.5.2. Control Group
3.5.3. Narrative Nursing Group
3.6. Instruments
3.6.1. Baseline Characteristics Questionnaire
3.6.2. Connor-Davidson Resilience Scale (CD-RISC)
3.6.3. Posttraumatic Growth Inventory (PTGI)
3.6.4. Meaning in Life Questionnaire (MLQ)
3.7. Statistical Analysis
3.8. Ethical Considerations
4. Results
4.1. Baseline Characteristics of Participants
| Characteristic | Control Group (n = 33) | Narrative Nursing Group (n = 33) | χ2/t | P-Value |
|---|---|---|---|---|
| Age (y) | 49.64 ± 7.97 | 49.55 ± 10.01 | 0.04 | 0.968 |
| Income (Chinese yuan) | 5969.70 ± 1754.19 | 6072.73 ± 1789.43 | -0.24 | 0.814 |
| Ethnicity | 0.25 | 0.618 | ||
| Han | 27 (81.8) | 28 (84.8) | ||
| Mongolian | 6 (18.2) | 5 (15.2) | ||
| Education level | 1.13 | 0.771 | ||
| Primary or below | 7 (21.2) | 9 (27.3) | ||
| Junior high school | 13 (39.4) | 9 (27.3) | ||
| Senior high school | 5 (15.2) | 6 (18.2) | ||
| College or above | 8 (24.2) | 9 (27.3) | ||
| Marital status | 0.64 | 0.424 | ||
| Married | 28 (84.8) | 31 (93.9) | ||
| Divorced or widowed | 5 (15.2) | 2 (6.1) | ||
| Occupation | 0.95 | 0.813 | ||
| Farmer | 9 (27.3) | 11 (33.3) | ||
| Self-employed | 8 (24.2) | 5 (15.2) | ||
| Company employee | 8 (24.2) | 8 (24.2) | ||
| Retired or unemployed | 8 (24.2) | 9 (27.3) | ||
| Medical Insurance Type | 2.84 | 0.416 | ||
| Urban resident basic medical insurance | 11 (33.3) | 9 (27.3) | ||
| Own pay | 11 (33.3) | 12 (36.4) | ||
| Employee basic medical insurance | 9 (27.3) | 6 (18.2) | ||
| Other | 2 (6.1) | 6 (18.2) | ||
| Primary Caregiver | 0.79 | 0.675 | ||
| Spouse | 13 (39.4) | 15 (45.5) | ||
| Relative | 11 (33.3) | 12 (36.4) | ||
| None | 9 (27.3) | 6 (18.2) | ||
| Surgical Method | 1.96 | 0.375 | ||
| Modified radical mastectomy | 24 (72.7) | 20 (60.6) | ||
| Breast-conserving surgery | 6 (18.2) | 6 (18.2) | ||
| Extended radical mastectomy | 3 (9.1) | 7 (21.2) | ||
| Disease Duration (y) | 4.23 | 0.237 | ||
| < 1 | 11 (33.3) | 15 (45.5) | ||
| 1 - 2 | 10 (30.3) | 11 (33.3) | ||
| 3 - 5 | 6 (18.2) | 1 (3.0) | ||
| > 5 | 6 (18.2) | 6 (18.2) | ||
| Recurrence | 2.73 | 0.099 | ||
| Yes | 8 (24.2) | 3 (9.1) | ||
| No | 25 (75.8) | 30 (90.9) | ||
| Cancer Stage | 0.69 | 0.710 | ||
| Stage I | 6 (18.2) | 4 (12.1) | ||
| Stage II | 19 (57.6) | 22 (66.7) | ||
| Stage III | 8 (24.2) | 7 (21.2) |
a Values are expressed as mean ± SD or No. (%). Independent-samples t-tests were used for continuous variables and χ2 tests for categorical variables.
4.2. Primary Outcome: Psychological Resilience
| Dimensions and Time Points | Narrative Nursing Group (n = 33) | Control Group (n = 33) | Between-Group P Value | Treatment Effect MD (95% CI) | P Value for Treatment Effect |
|---|---|---|---|---|---|
| Tenacity | |||||
| T0 | 32.94 ± 2.85 | 32.91 ± 2.47 | 0.963 | 1.66 (0.94, 2.38) | < 0.001 |
| T1 | 35.42 ± 2.24 | 33.73 ± 1.96 | 0.002 b | 1.66 (0.94, 2.38) | < 0.001 |
| Optimism | |||||
| T0 | 6.97 ± 1.93 | 7.18 ± 1.59 | 0.628 | 1.12 (0.53, 1.71) | < 0.001 |
| T1 | 9.70 ± 1.53 | 8.79 ± 1.56 | 0.020 b | 1.12 (0.53, 1.71) | < 0.001 |
| Self-reliance | |||||
| T0 | 17.15 ± 1.64 | 16.36 ± 1.71 | 0.061 | 0.99 (0.23, 1.75) | 0.012 |
| T1 | 18.36 ± 2.26 | 16.58 ± 1.66 | 0.001 b | 0.99 (0.23, 1.75) | 0.012 |
| Total score | |||||
| T0 | 57.06 ± 5.16 | 56.45 ± 4.15 | 0.601 | 3.87 (2.72, 5.02) | < 0.001 |
| T1 | 63.48 ± 4.11 | 59.00 ± 3.64 | < 0.001 b | 3.87 (2.72, 5.02) | < 0.001 |
a Values are expressed as mean ± SD unless otherwise indicated. The treatment effect was estimated as the between-group mean difference in change from baseline, calculated as (T1 - T0) in the narrative nursing group minus (T1 - T0) in the control group. Abbreviations: MD, mean difference; T0, at admission; T1, after completion of the third chemotherapy cycle; CI, confidence interval.
b P < 0.050 was considered statistically significant.
4.3. Secondary Outcome: PTG
| Dimensions and Time Points | Narrative Nursing Group (n = 33) | Control Group (n = 33) | Between-Group P Value | Treatment Effect MD (95% CI) | P Value for Treatment Effect |
|---|---|---|---|---|---|
| Appreciation of Life | |||||
| T0 | 17.76 ± 2.67 | 17.73 ± 2.35 | 0.961 | 2.88 (2.41, 3.35) | < 0.001 |
| T1 | 20.88 ± 2.37 | 17.97 ± 2.35 | < 0.001 b | 2.88 (2.41, 3.35) | < 0.001 |
| Personal Strength | |||||
| T0 | 8.76 ± 2.18 | 8.27 ± 2.02 | 0.352 | 0.75 (0.23, 1.27) | 0.006 |
| T1 | 10.33 ± 1.78 | 9.09 ± 1.77 | 0.006 b | 0.75 (0.23, 1.27) | 0.006 |
| New Possibilities | |||||
| T0 | 9.27 ± 2.41 | 9.00 ± 2.41 | 0.648 | 0.70 (0.10, 1.30) | 0.022 |
| T1 | 10.61 ± 1.80 | 9.64 ± 2.09 | 0.048 b | 0.70 (0.10, 1.30) | 0.022 |
| Relating to Others | |||||
| T0 | 8.03 ± 2.22 | 7.64 ± 2.03 | 0.454 | 1.52 (0.96, 2.08) | < 0.001 |
| T1 | 10.36 ± 1.78 | 8.45 ± 2.03 | < 0.001 b | 1.52 (0.96, 2.08) | < 0.001 |
| Spiritual Change | |||||
| T0 | 11.76 ± 3.13 | 10.85 ± 2.99 | 0.232 | 0.64 (0.21, 1.07) | 0.004 |
| T1 | 12.52 ± 2.56 | 10.97 ± 2.91 | 0.025 b | 0.64 (0.21, 1.07) | 0.004 |
| Total PTG Score | |||||
| T0 | 55.58 ± 9.11 | 53.79 ± 8.34 | 0.409 | 6.79 (4.83, 8.75) | < 0.001 |
| T1 | 64.70 ± 7.16 | 56.12 ± 7.85 | < 0.001 b | 6.79 (4.83, 8.75) | < 0.001 |
a Values are expressed as mean ± SD unless otherwise indicated. The treatment effect was estimated as the between-group mean difference in change from baseline, calculated as (T1 - T0) in the narrative nursing group minus (T1 - T0) in the control group. Abbreviations: MD, mean difference; CI, confidence interval; T0, at admission; T1, after completion of the third chemotherapy cycle.
b P < 0.050 was considered statistically significant.
4.4. Secondary Outcome: MIL
| Dimensions and Time Points | Narrative Nursing Group (n = 33) | Control Group (n = 33) | Between-Group P Value | Treatment Effect MD (95% CI) | P Value for Treatment Effect |
|---|---|---|---|---|---|
| Presence of Meaning | |||||
| T0 | 21.18 ± 5.00 | 21.48 ± 4.53 | 0.797 | 3.27 (2.23, 4.31) | < 0.001 |
| T1 | 28.03 ± 3.05 | 25.06 ± 4.49 | 0.003 b | 3.27 (2.23, 4.31) | < 0.001 |
| Search for Meaning | |||||
| T0 | 18.42 ± 2.02 | 18.30 ± 2.46 | 0.829 | 0.94 (0.37, 1.51) | 0.002 |
| T1 | 20.36 ± 1.73 | 19.30 ± 2.63 | 0.058 | 0.94 (0.37, 1.51) | 0.002 |
| Total MIL Score | |||||
| T0 | 39.61 ± 6.00 | 39.79 ± 5.72 | 0.900 | 4.24 (3.02, 5.46) | < 0.001 |
| T1 | 48.39 ± 4.00 | 44.33 ± 6.00 | 0.002 b | 4.24 (3.02, 5.46) | < 0.001 |
a Values are expressed as mean ± SD unless otherwise indicated. The treatment effect was estimated as the between-group mean difference in change from baseline, calculated as (T1 - T0) in the narrative nursing group minus (T1 - T0) in the control group. Abbreviations: MD, mean difference; CI, confidence interval; T0, at admission; T1, after completion of the third chemotherapy cycle.
b P < 0.050 considered statistically significant.
