TABLE 2.
Demographic and Baseline Information on All Enrolled Patients and Those Who Were Frequency Matched by Staying in the Same Unit until Hospital Day 3
| Entire population (all patients enrolled on day 1) |
Frequency-matched population (patients who provided day 3 follow-up) |
|||||
|---|---|---|---|---|---|---|
| CP (n = 238) | Non-CP (n = 290) | P | CP (n =148) | Non-CP (n =148) | P | |
| Age, mean (SD), years | 52.4 (13.4) | 52.9 (14.8) | .69 | 52.0 (13.9) | 52.3 (14.6) | .18 |
| Female sex | 44.3 (105) | 52.0 (151) | .08 | 41.9 (62) | 49.3 (73) | .20 |
| Education (some college) | 36.6 (87) | 49.1 (142) | <.01 | 37.8 (56) | 57.8 (85) | <.01 |
| Married or living with partner | 36.7 (87) | 43.5 (126) | .11 | 38.5 (57) | 50.0 (74) | .05 |
| Homeowner | 44.3 (105) | 57.4 (166) | <.01 | 48.0 (71) | 62.2 (92) | .01 |
| Psychiatric history | ||||||
| History of depression | 40.3 (96) | 30.9 (89) | .09 | 31.8 (47) | 27.0 (40) | .37 |
| History of anxiety | 31.5 (71) | 24.7 (75) | .08 | 31.0 (46) | 26.4 (39) | .36 |
| History of schizophrenia | 2.1 (5) | 2.8 (8) | .61 | 1.4 (2) | 2.7 (4) | .68 |
| History of bipolar disorder | 8.4 (20) | 6.3 (18) | .34 | 7.4 (11) | 3.4 (5) | .12 |
| History of substance abuse | 28.2 (67) | 14.6 (42) | <.01 | 25.7 (38) | 10.1 (15) | <.01 |
| Previous psychiatric admission | 18.9 (45) | 11.5 (33) | .02 | 16.2 (24) | 7.5 (11) | .02 |
| Current smoker | 33.2 (79) | 25.3 (73) | .05 | 30.4 (45) | 18.9 (28) | .02 |
| Charlson Comorbidity Index, median (IQR) | 1.0 (3.0) | 1.0 (2.0) | .07 | 1.0 (3.0) | 1.0 (2.0) | .18 |
| Admission to an intensive care unit during hospitalization | 5.0 (12) | 6.6 (21) | .46 | 5.4 (8) | 9.8 (14) | .18 |
| Length of hospital stay, mean (SD), days | 3.8 (4.9) | 3.0 (3.4) | <.01 | 5.5 (4.3) | 4.7 (3.8) | .16 |
| HADS score on day 1, mean (SD) | ||||||
| Depression subscale | 6.2 (3.9) | 4.6 (3.9) | <.01 | 6.0 (3.7) | 4.7 (4.1) | <.01 |
| Anxiety subscale | 7.5 (4.1) | 6.8 (4.4) | .07 | 7.5 (3.8) | 6.7 (4.4) | .08 |
note. Data are % (no.), unless otherwise indicated. Within each group, those under contact precautions (CP) are compared with those not under CP. Missing demographic variables were present, but less than 2% of each variable was missing in the frequency-matched sample. HADS, Hospital Anxiety and Depression Scale; IQR, interquartile range; SD, standard deviation.