Comparison between initial and cold call responders for selected initial variables
| Baseline variables | Initial responders (n=100) | Cold call responders (n=84) (%) | Summary statistics (95% CI)* | Statistic and p value** |
|---|---|---|---|---|
| *Odds ratios or differences between means, reference categories indicated with OR=1.0. | ||||
| **χ2 for binary and categorical variables, χ2 for trend for original variables; t test or Mann-Whitney test for continuous variables. | ||||
| CBT, cognitive behaviour therapy. | ||||
| Gender | ||||
| Male | 29 | 30 (36) | 1.0 | χ2=0.9, p=0.33 |
| Female | 71 | 54 (64) | 1.36 (0.73 to 2.53) | |
| Personality disorder | ||||
| Present | 35 | 29 (35) | 1.0 | |
| Absent | 62 | 52 (62) | 0.99 (0.53 to 1.87) | χ2=0.0, p=0.97 |
| NK | 3 | 3 (4) | ||
| Social class | Ns (except for social class 1&2 v rest) χ2=4.5 (after Yates correction), p<0.035 | |||
| 1 | 6 | 1 (1) | 1.0 | |
| 2 | 13 | 5 (6) | 0.32 (0.10 to 0.96) | |
| 3 | 20 | 20 (24) | 0.33 (0.11 to 0.92) | |
| 4 | 34 | 33 (39) | 0.34 (0.11 to 0.99) | |
| 5 | 27 | 25 (30) | ||
| Marital status | ||||
| Married | 42 | 32 (38) | 1.0 | χ2=1.3, p=0.52 |
| Separated/divorced/widowed | 29 | 21 (25) | 1.05 (0.51 to 2.18) | |
| Single | 29 | 31 (37) | 0.71 (0.36 to 1.42) | |
| Initial treatment | ||||
| Drug | 45 | 28 (33) | 1.0 | χ2=3.8, p=0.15 |
| CBT | 34 | 40 (48) | 0.53 (0.27 to 1.02) | |
| Self help | 21 | 16 (19) | 0.82 (0.36 to 1.83) | |
| Initial diagnosis | ||||
| GAD | 36 | 27 (32) | 1.0 | |
| Dysthymia | 25 | 29 (35) | 0.65 (0.31 to 1.35) | χ2=2.0, p=0.37 |
| Panic | 39 | 28 (33) | 1.04 (0.52 to 2.11) | |
| Age at entry | ||||
| <20 | 5 | 4 (5) | ||
| 20–29 | 28 | 26 (31) | ||
| 30–39 | 30 | 29 (35) | ||
| 40–49 | 25 | 15 (18) | ||
| 50–59 | 8 | 7 (8) | ||
| 60+ | 4 | 3 (4) | 1.26 (−2.11 to 4.63) | t180=0.74, p=0.46 |
| Mean | 35.9 | 34.6 | ||