Table 3:
Number of questionnaire items completed for patients completing PROMIS-D alone versus a two-step method, using a PHQ-2 score ≥1 as the pre-screening cut-off score.
| PROMIS-D alone | PHQ-2 followed by PHQ-9 | PHQ-2 followed by PROMIS D | ||||||
|---|---|---|---|---|---|---|---|---|
| Results | Total number of PROMIS-D items completed | Average number of items completed (total number of items/n) | Number of PHQ-9 items completed | Average number of items completed (total number of items/n) | Number of items completed in step 1 | Number of items completed in step 2 | Total number of items completed in two-step procedure | Average number of items completed in two-step procedure (total number of items/n) |
| PHQ-2 cut off >=1 | ||||||||
| Screened out in step 1 of two-step process (n = 263) | 1347 | 5 | 526 | 2 | 526 | 526 | 2 | |
| Screened in for second step of two-step process (n = 217) | 897 | 4 | 1953 | 9 | 434 | 897 | 1331 | 6 |
| Total sample (N = 480) | 2244 | 5 | 2479 | 5 | 960 | 897 (n = 217) | 1857 | 4 |