Characteristics of responders and non-responders (n=5067)
| Responders | Non-responders | p Value* | |
|---|---|---|---|
| Frequency (%) | 1396 (27.6) | 3672 (72.4) | |
| Age in years, mean (SD) | 46.0 (28.2) | 32.5 (26.2) | <0.001 |
| Gender, female (%) | 877 (62.8) | 2208 (71.6) | 0.081 |
| IMD score, mean (SD) | 19.0 (14.0) | 23.9 (15.9) | <0.001 |
| Management | |||
| Telephone advice (%) | 492 (35.2) | 1143 (38.5) | 0.001 |
| Treatment centre (%) | 647 (46.4) | 1765 (48.1) | |
| Home visit (%) | 172 (12.3) | 301 (8.2) | |
| Other (%) | 85 (6.1) | 193 (5.3) | |
*Reported p values were obtained from a multilevel logistic regression that compared responders with non-responders. The model clustered individuals by the provider from which they were sampled.
IMD, Index of Multiple Deprivation.