Table 2.
Variable distributions for pre-COVID and COVID cohorts.
| Variable | Pre-COVID | COVID | Adjusted p value |
|---|---|---|---|
| Summary statistics | |||
| Signups | 5,048 | 13,841 | |
| Signups per day | 19.72 | 24.28 | |
| Demographic variables/Control variables not used for clustering | |||
| Gender | <0.001 | ||
| Female | 3,899 (77.24% [76.06, 78.37]) | 10,406 (75.18% [74.46, 75.89]) | |
| Male | 971 (19.24% [18.17, 20.35]) | 2,629 (18.99% [18.35, 19.66]) | |
| Non-binary | 178 (3.53% [3.05, 4.07]) | 806 (5.82% [5.45, 6.23]) | |
| Age group | <0.001 | ||
| 14–17 | 4,683 (92.77% [92.02, 93.45]) | 12,290 (88.79% [88.26, 89.31]) | |
| 18–25 | 365 (7.23% [6.55, 7.98]) | 1,551 (11.21% [10.69, 11.74]) | |
| Ethnicity group | <0.001 | ||
| White | 4,259 (84.37% [83.34, 85.35]) | 11,280 (81.5% [80.84, 82.14]) | |
| Asian | 331 (6.56% [5.91, 7.27]) | 917 (6.63% [6.22, 7.05]) | |
| Black | 141 (2.79% [2.37, 3.28]) | 471 (3.4% [3.11, 3.72]) | |
| Mixed | 239 (4.73% [4.18, 5.36]) | 727 (5.25% [4.89, 5.64]) | |
| Other | 78 (1.55% [1.24, 1.92]) | 446 (3.22% [2.94, 3.53]) | |
| White | 4,259 (84.37% [83.34, 85.35]) | 11,280 (81.5% [80.84, 82.14]) | |
| Service usage variables/Dependent variables used for clustering | |||
| Period* | - | 0.016 | |
| Engagement* | - | 0.074 | |
| Activeness* | - | <0.001 | |
| Journal entry | 3,716 (73.61% [72.38, 74.81]) | 11,675 (84.35% [83.74, 84.95]) | <0.001 |
| Personal goal created | 1,007 (19.95% [18.87, 21.07]) | 2,418 (17.47% [16.85, 18.11]) | <0.001 |
| Article created | 296 (5.86% [5.25, 6.55]) | 466 (3.37% [3.08, 3.68]) | <0.001 |
| Discussion created | 1,051 (20.82% [19.72, 21.96]) | 2,741 (19.8% [19.15, 20.48]) | 0.251 |
| Comment created | 1,644 (32.57% [31.29, 33.87]) | 4,772 (34.48% [33.69, 35.27]) | 0.008 |
| Message sent | 771 (15.27% [14.31, 16.29]) | 2,237 (16.16% [15.56, 16.78]) | 0.129 |
| Ad-hoc chat | 3,791 (75.1% [73.89, 76.27]) | 7,816 (56.47% [55.64, 57.29]) | <0.001 |
| Booked chat | 196 (3.88% [3.38, 4.45]) | 403 (2.91% [2.64, 3.21]) | 0.001 |
| Service experience variables/Observational variables not used for clustering | |||
| Administrative message received | 475 (9.41% [8.63, 10.25]) | 7,553 (54.57% [53.74, 55.4]) | <0.0001 |
| Therapeutic message received | 680 (13.47% [12.56, 14.44]) | 7,152 (51.67% [50.84, 52.5]) | <0.0001 |
| Successful chat | 1,567 (31.04% [29.78, 32.33]) | 2,611 (18.86% [18.22, 19.52]) | <0.0001 |
| Failed chat | 1,065 (21.1% [19.99, 22.24]) | 2,675 (19.33% [18.68, 19.99]) | 0.008 |
Reported values are absolute counts, percentages with 95% confidence intervals, and adjusted p values assessing whether variables changed during COVID compared to pre-COVID.
*Continuous variable. See Figure 2.