Test–retest stability by factors
| Factors | Kappa coefficient | ICC | SEM | ½ SD |
| Acceptance | 0.483 | 0.634 | 0.38 | 1.34 |
| Coping | 0.360 | 0.714 | 0.33 | 1.15 |
| Self-management | 0.360 | 0.610 | 0.26 | 0.92 |
| Integration | 0.270 | 0.610 | 0.29 | 1.01 |
| Adjustment | 0.371 | 0.752 | 0.70 | 2.46 |
| EC-PC-Fam total | 0.294 | 0.774 | 1.02 | 3.06 |
EC-PC-Fam, Escala de convivencia con procesos crónicos versión familiar of Living with Long Term Conditions Scale-Family; ICC, intraclass correlation coefficient; SEM, SE of measurement.