Table 4

Incidence rate ratio of benzodiazepine use in participants aged over 50 associated with the occurrence of the attacks (N=41 440)

OverallIndicator of benzodiazepine use
Number of subjects with a least
a benzodiazepine delivered prescription per week
Number of benzodiazepine defined daily doses per week
IRR95% CIP valueIRR95% CIP value
1.040.94 to 1.150.4201.020.91 to 1.130.790
Stratification variableIRR95% CIP valueIRR95% CIP value
Sex
 Women1.050.94 to 1.160.3881.040.93 to 1.170.494
 Men1.030.91 to 1.160.6180.980.85 to 1.130.807
Education ISCED Classification
 0–21.030.89 to 1.180.7201.040.89 to 1.230.599
 3–41.010.91 to 1.130.8310.980.87 to 1.110.783
 5–61.110.95 to 1.280.1861.020.84 to 1.240.845
 7–81.080.92 to 1.260.3511.080.88 to 1.330.471
Household income in euros per month
 <€21001.010.89 to 1.150.8810.990.86 to 1.130.831
 >€2100 and ≤€28001.060.91 to 1.230.4691.050.87 to 1.280.599
 >€2800 and ≤€42001.070.95 to 1.210.2701.080.92 to 1.270.347
 >€42001.090.93 to 1.270.2711.000.84 to 1.190.984
Residence area
 Paris region1.181.02 to 1.380.0301.040.87 to 1.240.697
 Outside Paris region1.020.92 to 1.130.6991.010.90 to 1.140.837
  • Significant results at p<0.05 are presented in bold.

  • IRR, incidence rate ratio; ISCED, 2011 International Standard Classification of Education.