Table 2.
Comparison of samples: Current analysis and Saunders et al. (2016).
| Current sample |
Previous sample (Saunders et al., 2016) |
|||||
|---|---|---|---|---|---|---|
| Baseline characteristics |
n = 44095 |
n = 16636 |
||||
| Mean | SD | Mean | SD | t | p | |
| Age - Mean (SD) | 37.56 | 14.36 | 37.9 | 13.36 | 2.651 | 0.008 |
| PHQ-9 - Mean (SD) | 13.8 | 6.46 | 13.85 | 6.67 | 0.843 | 0.399 |
| GAD-7 - Mean (SD) | 12.35 | 5.43 | 12.35 | 5.51 | 0 | 1.0 |
| WSAS - Mean (SD) | 17.17 | 9.2 | 17.85 | 9.69 | 8.004 | <0.001 |
| N | % | N | % | z | p | |
| Gender - n(%) female | 29561 | 67% | 10793 | 66% | 2.82 | 0.005 |
| Ethnic Group - n (%) Non-White | 11242 | 30% | 3151 | 22% | 18.34 | <0.001 |
| Medication prescribed - n (%) prescribed | 21310 | 51% | 5802 | 39% | 26.84 | <0.001 |
| Welfare status - n (%) on benefits | 11230 | 26% | 3834 | 28% | −5.36 | <0.001 |
| Phobia Self-rating - n (%) phobia |
20992 |
52% |
7592 |
51% |
3.22 |
0.001 |
|
Endpoint Characteristics |
n = 18514 |
n = 10693 |
||||
| Mean |
SD |
Mean |
SD |
t |
p |
|
| Number of treatment sessions | 9.35 | 5.86 | 6.87 | 5.68 | −35.53 | <0.001 |
| PHQ-9 - Mean (SD) | 9.52 | 6.40 | 10.44 | 6.92 | 11.25 | <0.001 |
| GAD-7 - Mean (SD) | 8.63 | 5.60 | 9.23 | 5.91 | 8.52 | <0.001 |
| WSAS - Mean (SD) | 13.27 | 9.05 | 14.62 | 10.20 | 10.27 | <0.001 |
| N | % | N | % | z | p | |
| Recovered | 8432 | 45.54 | 4283 | 40.05 | −9.12 | <0.001 |
| Reliably Improved | 12053 | 65.74 | 7041 | 65.85 | 1.29 | 0.197 |
Note: Comparison of baseline and endpoint characteristics between samples. P-values for t and z tests are presented.