Table 3 Distribution and mean score of items, domains and total score of the MSISQ-19 scale
Domain/item | Never (1) | Almost never (2) | Occasional (3) | Almost always (4) | Always (5) | Mean ± SD |
|---|---|---|---|---|---|---|
Primary | 12. ± 4.77 | |||||
 Item 12 | 13 (32.5) | 12 (30.0) | 12 (30.0) | 3 (7.5) | 0 | 2.13 ± 0.97 |
 Item 16 | 11 (27.5) | 13 (32.5) | 11 (27.5) | 4 (10.0) | 1 (2.5) | 2.28 ± 1.06 |
 Item17 | 8 (20.0) | 13 (32.5) | 15 (37.5) | 4 (10.0) | 0 | 2.38 ± 0.93 |
 Item18 | 7 (17.5) | 11 (27.5) | 10 (25.0) | 8 (20.0) | 4 (10.0) | 2.78 ± 1.25 |
 Item19 | 8 (20.0) | 9 (22.5) | 11 (27.5) | 5 (12.5) | 7 (17.5) | 3.85 ± 1.37 |
Secondary | 21.2 ± 7.24 | |||||
 Item1 | 12 (30.0) | 11(27.5) | 10 (25.0) | 5 (12.5) | 2 (5.0) | 2.34 ± 1.19 |
 Item2 | 15 (37.5) | 9 (22.5) | 9 (22.5) | 7 (17.5) | 0 | 2.2 ± 1.14 |
 Item3 | 20 (25.0) | 18 (45.0) | 2 (5.0) | 0 | 0 | 1.55 ± 0.6 |
 Item4 | 10 (25.0) | 15 (37.5) | 9 (22.5) | 4 (10.0) | 2 (5.0) | 2.33 ± 1.12 |
 Item5 | 10 (25.0) | 14 (35.0) | 9 (22.5) | 5 (12.5) | 2 (5.0) | 2.38 ± 1.15 |
 Item6 | 7 (17.5) | 14 (35.0) | 11 (27.5) | 6 (15.0) | 2 (5.0) | 2.55 ± 1.11 |
 Item8 | 13 (32.5) | 10 (25.0) | 10 (25.0) | 4 (10.0) | 3 (7.5) | 2.35 ± 1.25 |
 Item10 | 5 (12.5) | 11 (27.5) | 9 (22.5) | 10 (25.0) | 5 (12.5) | 3.0 ± 1.25 |
 Item11 | 10 (25.0) | 12 (30.0) | 8 (20.0) | 7 (17.5) | 3 (7.5) | 2.53 ± 1.26 |
Tertiary | 11.95 ± 4.84 | |||||
 Item7 | 10 (25.0) | 8 (20.0) | 14 (35.0) | 7 (17.5) | 1 (2.5) | 2.53 ± 1.13 |
 Item9 | 14 (35.0) | 12 (30.0) | 10 (25.0) | 4 (10.0) | 0 | 2.1 ± 1.01 |
 Item13 | 9 (22.5) | 14 (35.0) | 10 (25.0) | 7 (17.5) | 0 | 2.38 ± 1.03 |
 Item14 | 9 (22.5) | 8 (20.0) | 15 (37.5) | 5 (12.5) | 3 (7.5) | 2.63 ± 1.2 |
 Item15 | 10 (25.0) | 14 (35.0) | 10 (25.0) | 5 (12.5) | 1 (2.5) | 2.33 ± 1.07 |
Total scale | 45.55 ± 15.16 | |||||