Table 1

Change of the number of antidepressant drug items prescribed at primary care practices a year before and after the flood by distance to an inundated area for major flood events in England, 2011–2014

Distance bandPreflood, nPostflood, nPreflood and postflood change (increase), %Preflood and postflood change (increase) relative to that in the 5–10 km band (95% CI)
(‘controlled pre–post change’)*, %		% Increase in the controlled pre–post change in prescriptions of the antidepressant drugs per distance score† (95% CI) adjusted for:
Unadjusted
(model A)		Impact of deprivation and population density on change in prescriptions over time (model B)Model B with further adjustment for prescription of the non-antidepressant drugs (model C)
<1 km1 749 6571 925 04310.020.76 
(0.44 to 1.08)		0.92
(0.59 to 1.26)		0.59
(0.24 to 0.94)		0.57
(0.23 to 0.92)
1 km1 217 3801 340 81710.140.86 
(0.35 to 1.38)
2 km759 145834 8359.970.71 
(−0.04 to 1.46)
3 km660 737723 3989.480.26 
(−0.24 to 0.77)
4 km576 816628 2658.92−0.03 
(−0.78 to 0.28)
5–10 km1 833 7082 002 3349.200
Total6 797 4437 454 6929.67––––

  • *Pre–post change relative to the furthest distance band (5–10 km) after controlling for month-to-month variation.

  • †Distance score is scaled as 0 for the furthest and 1 for the nearest distance band.