Table 2. Proportion of Patients Screening Positive Before and After Self-administered Tablet Screening (N = 23 026).
| Outcome | Time period, No. (%) | Adjusted differencea % (95% CI) | |
|---|---|---|---|
| Before tablet (n = 12 239) | After tablet (n = 10 787) | ||
| Positive screen for composite outcome (depression, fall risk, or intimate partner violence) | |||
| Overall | 1067 (8.7) | 2102 (19.5) | 10.3 (9.5-11.2) |
| By specific practice | |||
| A | 224 (11.6) | 509 (29.4) | 17.9 (15.2-20.5) |
| B | 94 (6.0) | 463 (24.8) | 18.8 (16.5-21.1) |
| C | 55 (2.8) | 235 (12.5) | 9.7 (8.0-11.4) |
| D | 165 (5.8) | 242 (12.9) | 7.2 (5.4-9.0) |
| E | 265 (12.0) | 418 (19.3) | 7.3 (5.1-9.5) |
| F | 264 (15.5) | 235 (18.5) | 3.0 (0.2-5.9) |
| Positive screens in all practices for: | |||
| Depression (PHQ-2 score >2) | 188 (1.5) | 450 (4.2) | 2.8 (2.3-3.2) |
| At least moderately severe (PHQ-9 > 14) | 82 (0.7) | 206 (1.9) | 1.3 (1.0-1.6) |
| At least moderately severe and untreatedb | 63 (0.5) | 139 (1.3) | 0.8 (0.6-1.1) |
| Severe (PHQ-9 > 19) | 28 (0.2) | 86 (0.8) | 0.6 (0.4-0.8) |
| Thoughts of self-harm | 39 (0.3) | 116 (1.1) | 0.7 (0.5-1.0) |
| Fall risk | 907 (7.4) | 1692 (15.7) | 7.9 (7.1-8.7) |
| Injury during a fall | 208 (1.7) | 491 (4.6) | 2.7 (2.2-3.1) |
| Intimate partner violence | 10 (0.1) | 310 (2.9) | 2.3 (2.0-2.6) |
| Conflicts sometimes turn into physical fights | 1 (0) | 57 (0.5) | 0.5 (0.4-0.6) |
Abbreviations: PHQ-2, Patient Health Questionnaire-2; PHQ-9, Patient Health Questionnaire-9.
a
Overall differences are adjusted to account for clustering by practice using a binomial model with identity link that includes practice as fixed effects. Individual practice results for the composite outcome are unadjusted.
b
Untreated defined as no antidepressant in the patient’s current medication list in the electronic health record.