Table 3

Incidence rate ratio of benzodiazepine use in participants aged under 50 associated with the occurrence of the attacks (N=48 818)

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
1.141.02 to 1.280.0191.121.01 to 1.250.039
Stratification variableIRR95% CIP valueIRR95% CIP value
Sex
 Women1.181.05 to 1.320.0061.141.03 to 1.270.014
 Men1.090.94 to 1.260.2651.090.93 to 1.280.293
Education ISCED Classification
 0–21.120.91 to 1.400.2880.980.77 to 1.250.877
 3–41.080.98 to 1.210.1541.140.99 to 1.310.060
 5–61.191.01 to 1.400.0421.120.97 to 1.300.129
 7–81.221.02 to 1.470.0301.160.91 to 1.480.223
Household income in euros per month
 <€21001.171.02 to 1.350.0271.100.95 to 1.290.211
 >€2100 and ≤€28001.160.96 to 1.400.1251.160.92 to 1.460.218
 >€2800 and ≤€42001.080.92 to 1.260.3321.060.89 to 1.280.505
 >€2001.090.90 to 1.320.3841.020.82 to 1.270.830
Residence area
 Paris region1.200.96 to 1.490.1021.020.78 to 1.320.904
 Outside Paris region1.130.02 to 1.260.0251.131.03 to 1.260.013
  • Significant results at p<0.05 are presented in bold.

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