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Table 1 Bounds on sufficient-cause interactions in a cohort study on hypertension risk (Example 1)

From: Sharp bounds on sufficient-cause interactions under the assumption of no redundancy

  Case number Population Risk Cumulative completion risk of sufficient-cause interaction Relative prevalence of sufficient-cause interaction
95% LCLc LBc UBc 95% UCLc 95% LCLc LBc
Specific (BMIa, ageb)
 (low, young) 79 1810 0.0437 0.0000 0.0000 0.0436 0.0530 0.0000 0.0000
 (low, old) 100 681 0.1468 0.0000 0.0000 0.1468 0.1733 0.0000 0.0000
 (high, young) 153 1385 0.1105 0.0000 0.0000 0.1105 0.1278 0.0000 0.0000
 (high, old) 278 1021 0.2723 0.0000 0.0411 0.2723 0.2997 0.0000 0.1509
Global 610 4897 0.1246 0.0338 0.0830 0.4718 0.4993 0.0879 0.1758
  1. aold: age ≥ 40 years; young: age < 40
  2. b BMI body mass index; high: BMI ≥ 25 kg/m2; low: BMI < 25
  3. c LCL lower confidence limit for the lower bound, LB lower bound, UB upper bound, UCL upper confidence limit for the upper bound