Table 5 Spearman's rank correlation coefficients and p-values for directly age-standardised suicide and antidepressant poisoning rates and prescription rates, England 1993 to 2002

All suicides

All antidepressants

-0.73

0.016

Non-drug poisoning suicide

All antidepressants

-0.89

0.005

Antidepressant-related poisoning deaths

All antidepressants

-0.45

0.187

Tricyclic antidepressant -related poisoning deaths

Tricyclic antidepressants

-0.64

0.05

Selective serotonin re-uptake inhibitor and other antidepressant-related poisoning deaths

Selective serotonin re-uptake inhibitors and other antidepressants

0.99

<0.001

Antidepressant only poisoning deaths*

All antidepressants

-0.53

0.12

Tricylclic antidepressant only poisoning deaths*

Tricyclic antidepressants

-0.71

0.022

Selective serotonin re-uptake inhibitor and other antidepressant only poisoning deaths*

Selective serotonin re-uptake inhibitors and other antidepressants

0.94

<0.001