| Variable | Experimental group(n = 67)Median (IQR) | Control group(n = 55)Median (IQR) | |
|---|---|---|---|
| First round | |||
| Sharing | 4.00 (3.50–4.31) | 3.88 (3.50–4.13) | .24 |
| Caring | 4.22 (3.89–4.62) | 4.22 (4.00–4.56) | .66 |
| Total PPOS | 4.12 (3.85–4.50) | 4.06 (3.79–4.32) | .47 |
| Second round | |||
| Sharing | 4.00 (3.38–4.50) | 3.88 (3.62–4.25) | .44 |
| Caring | 4.33 (3.89–4.67) | 4.33 (4.00–4.56) | .98 |
| Total PPOS | 4.24 (3.76–4.53) | 4.09 (3.88–4.29) | .33 |