Table 1 Results from the analyses for reliability (test–retest and internal consistency), for each instrument and subscale
Questionnaire | Test | Retest | ICC (95% CI) P | ||||
|---|---|---|---|---|---|---|---|
n (missing values) | Mean (SD), median (IQR) | Cronbach’s α (a) | n (missing values) | Mean (SD), median (IQR) | Cronbach’s α (a) | ||
PFIQ-7 | 63 (11) | 14.97 (14.42) 9 (4–22) | 0.96 (0.96) | 63 (9) | 13.97 (15.07) 7 (4–21) | 0.94 (0.93) | 0.75 (0.62–0.84) <0.001 |
UIQ-7 | 63 (5) | 6.03 (5.77) 5 (1–9) | 0.92 (0.92) | 63 (6) | 5.49 (5.67) 4 (1–9) | 0.93 (0.93)) | 0.82 (0.72–0.88) <0.001 |
CRAIQ-7 | 63 (9) | 3.83 (4.83) 2 (0–7) | 0.91 (0.91) | 63 (7) | 3.98 (5.93) 1 (0–6) | 0.77 (0.77) | 0.67 (0.51–0.79) <0.001 |
POPIQ-7 | 63 (5) | 5.11 (5.23) 3 (1–8) | 0.92 (0.92) | 63 (8) | 4.89 (5.44) 3 (0–7) | 0.93 (0.93) | 0.72 (0.57–0.82) <0.001 |
PFDI-20 | 63 (3) | 105.46 (55.62) 93.75 (70.83–146.88) | 0.88 (0.88) | 63 (0) | 105.52 (58.07) 92.71 (66.67–158.33) | 0.89 (0.89) | 0.92 (0.88–0.95) <0.001 |
POPDI-6 | 63 (2) | 40.15 (21.25) 37.50 (25.00–50.00) | 0.73 (0.74) | 63 (0) | 42.86 (23.44) 37.50 (25.00–62.50) | 0.78 (0.78) | 0.83 (0.73–0.89) <0.001 |
CRADI-8 | 63 (1) | 29.07 (21.78) 25.00 (9.38–46.88) | 0.80 (0.80) | 63 (0) | 28.47 (22.29) 25.00 (9.38–40.63) | 0.83 (0.83) | 0.90 (0.84–0.94) <0.001 |
UDI-6 | 63 (0) | 34.19 (21.78) 35.00 (29.00–40.00) | 0.71 (0.71) | 63 (0) | 34.19 (21.78) 33.33 (16.67–50.00) | 0.69 (0.69) | 0.89 (0.83–0.93) <0.001 |
PISQ-12 | 27 (2) | 34.89 (6.32) 35 (29–40) | 0.84 (0.84) | 27 (3) | 31.85 (6.39) 33.00 (26.00–37.00) | 0.82 (0.84) | 0.87 (0.73–0.94) <0.001 |