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Table 3 Hazard ratio (HR) for use of antidepressants or anxiolytic drugs in the intervention group compared with controls, with exclusion at baseline of former users of AD or AX, and adjusted for confounders

From: CT-Screening for lung cancer does not increase the use of anxiolytic or antidepressant medication

  Relative risk estimates
  N, (%) Adj. HR 95 % CI
Intervention versus control status
 Control 385 (21.69) 1.00 Reference
 Intervention 390 (21.87) 1.01 0.88 1.17
Possible confounders:
Gender
 Men 367(47.35) 1.00 Reference
 Women 408(52.65) 1.69 1.45 1.96
Age
 ≤ mean age 57.3 years 415 (53.55) 1.00 Reference
 >mean age 57.3 years 360 (46.45) 0.88 0.76 1.03
Civil status
 Living together 518 (67.19) 1.00 Reference
 Living alone 253 (32.81) 1.30 1.11 1.52
Social status (SES)
 Low 313 (40.39) 1.00 Reference
 Middle 253 (32.65) 0.84 0.77 0.92
 High 209 (26.97) 0.42 0.34 0.50
Charlson Co-morbidity index (CCI)
 0 609 (78.58) 1.00 Reference
 1 111 (14.32) 1.35 1.20 1.52
 > 1 55 (7.10) 2.70 1.13 4.27
Total 775 (21.78)