Table 2

Rates of continuation of antidepressant beyond specified time points by patient characteristics

30 days90 days180 days
Characteristic%95% CI%95% CI%95% CI
All patients75.474.9 to 75.955.554.9 to 56.140.139.4 to 40.8
Sex
 Female75.675.0 to 76.256.255.5 to 57.041.040.2 to 41.8
 Male75.074.1 to 75.954.052.9 to 55.138.337.2 to 39.5
Age, years
 <3571.770.7 to 72.749.348.2 to 50.432.131.0 to 33.2
 36–6577.977.2 to 78.658.757.9 to 59.643.342.3 to 44.2
 >6574.773.3 to 76.157.355.8 to 59.046.144.4 to 47.8
Deprivation quintilea
 1 Low78.877.4 to 80.261.459.7 to 63.145.843.9 to 47.7
 276.775.5 to 78.057.455.9 to 59.041.940.2 to 43.6
 374.973.8 to 76.054.953.6 to 56.239.938.6 to 41.3
 475.474.4 to 76.554.853.5 to 56.038.937.6 to 40.3
 5 High72.971.7 to 74.151.950.6 to 53.336.935.5 to 38.3
Comorbidityb
 No76.775.5 to 77.959.057.6 to 60.445.644.1 to 47.1
 Yes76.975.7 to 78.159.457.9 to 60.946.344.7 to 47.9
Diagnosis codedc
 No72.071.4 to 72.751.750.9 to 52.537.136.3 to 37.9
 Yes81.881.0 to 82.662.761.6 to 63.745.844.6 to 46.9
Previous treatmentd
 No74.373.7 to 75.054.553.7 to 55.339.238.3 to 40.0
 Yes77.176.2 to 77.957.056.0 to 58.041.640.5 to 42.6
  • a Scottish Index of Multiple Deprivation.

  • b Coronary heart disease, diabetes, or cancer coded in patient record.

  • c Presence of a clinical code relating to depression in the current year; details of codes are given in Appendix 1.

  • d History of treatment with eligible antidepressant.