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Table 10 Strength of Evidence Assessment by Measure (Adjusted Analyses)

From: Assessing the evidence on the differential impact of menthol versus non-menthol cigarette use on smoking cessation in the U.S. population: a systematic review and meta-analysis

  Study limitations Directness Consistency Precision SOE CQ assessment
Duration of abstinence Low Direct Inconsistent Precise Low Acceptable
Quit Attempts Low Indirect Inconsistent Imprecise Insufficient Acceptable
Rate of abstinence/quitting Low Direct Inconsistent Imprecise Moderate Acceptable
Change in quantity/frequency Low Indirect Consistent Imprecise Insufficient Acceptable
Return to smoking/relapse Low Direct Inconsistent Imprecise Insufficient Inconclusive
  1. CQ Contextual Question, SOE Strength of Evidence