Table 3 Reliability (n = 245) of the Amharic version of the SSQoL-Am, internal consistency, floor and ceiling effects, test–retest reliability, and Standard Error of Measurement (SEM), (n = 72), 2021
SSQoL domains (items) | Mean (SD) | Internal consistency Cronbach’s α | Floor and ceiling effects (%) | ICC (95% CI) (n = 72) | SEM | |
|---|---|---|---|---|---|---|
Energy (3) | 7.81 (2.67) | 0.84 | 0.8 | 1.6 | 0.88 (0.81, 0.92) | 0.4 |
Family (3) | 8.48 (2.72) | 0.72 | 1.6 | 3.3 | 0.83 (0.73, 0.90) | 0.46 |
Language (5) | 16.24 (4.21) | 0.93 | 0.4 | 1.6 | 0.88 (0.78, 0.93) | 0.44 |
Mobility (6) | 16.78 (4.9) | 0.92 | 0.8 | 0.4 | 0.90 (0.85, 0.94) | 0.41 |
Mood (5) | 15.36 (4.72) | 0.85 | 1.6 | 4.5 | 0.92 (0.84, 0.95) | 0.44 |
Personality (3) | 8.85 (3.52) | 0.93 | 4.9 | 7.3 | 0.92 (0.85, 0.95) | 0.40 |
Self-care (5) | 13.63 (4.3) | 0.90 | 2 | 1.6 | 0.91 (0.86, 0.94) | 0.40 |
Social role (5) | 12.61 (3.4) | 0.78 | 0.4 | 0.4 | 0.90 (0.82, 0.94) | 0.37 |
Thinking (3) | 9.87 (2.98) | 0.83 | 1.2 | 6.1 | 0.89 (0.81, 0.93) | 0.36 |
UE function (5) | 13.69 (4.35) | 0.91 | 1.6 | 0.8 | 0.88 (0.81, 0.92) | 0.44 |
Vision (3) | 12.87 (2.32) | 0.89 | 0.4 | 44.1 | 0.82 (0.72, 0.89) | 0.42 |
Work (3) | 6.60 (2.5) | 0.92 | 3.3 | 2.4 | 0.89 (0.88, 0.95) | 0.38 |
Total Score (49) | 11.9 (3.6) | 0.87 | 1.58 | 6.18 | 0.93 (0.88, 0.95) | 0.41 |