Table 3.
Items | Item-total correlation | Inter-item correlation | Internal consistency (95% CI) (A1-A7) | Ceiling (n) | Floor (n) | Test-retest values | ||
---|---|---|---|---|---|---|---|---|
(ICC3,1) | 95%CI | P _value | ||||||
A1. A feeling of something coming down from the vagina | 0.27 | 0.78 | 0.79 (0.73, 0.85) | 71 | 0 | 0.83 | (0.50, 0.92) | < 0.001 |
A2. An uncomfortable feeling or pain in your vagina. | 0.31 | 0.78 | 72 | 2 | 0.66 | (0.48, 0.79) | < 0.001 | |
A3. A heaviness or dragging feeling in your lower abdomen. | 0.61 | 0.72 | 7 | 21 | 0.78 | (0.63, 0.87) | < 0.001 | |
A4. A heaviness or dragging feeling in your lower abdomen. | 0.67 | 0.70 | 12 | 16 | 0.78 | (0.59, 0.88) | < 0.001 | |
A5. A need to strain (push) to empty your bladder | 0.55 | 0.73 | 18 | 25 | 0.81 | (0.66, 0.89) | < 0.001 | |
A6. A feeling that your bladder has not emptied completely | 0.54 | 0.73 | 17 | 22 | 0.75 | (0.61, 0.84) | < 0.001 | |
A7. A feeling that your bowel has not emptied completely | 0.51 | 0.74 | 6 | 51 | 0.81 | (0.65, 0.90) | < 0.001 |
*(ICC3, 1) = Single rating, Two-way Mixed-effects model (absolute agreement); CI = confidence interval