Table 1.
Inclusion and exclusion criteria used for the systematic review.
| Inclusion Criteria | Exclusion Criteria |
|---|---|
| Peer-reviewed literature | Gray literature (editorials, news, letter to the editor ) |
| Published between January 1, 2010, and February 27, 2020, | Published before January 1, 2010, or after February 27, 2020 |
| Written in English | Not written in English |
| Study conducted in the US only | Study conducted outside of the US |
| Humans subjects only | Animal study |
| Participants 45–80 years of age | Participants only <45 or >80 years of age |
| Current and former smokers | Does not include current or former smokers |
| Evaluates socioeconomic and/or race-based outcomes relating to LCS | Does not evaluate socioeconomic and/or race-based outcomes relating to LCS |
| Study design: Cohort studies, randomized control trials, and observational studies | Case control studies, case control studies |
| Setting: Clinical or healthcare setting | Non-clinical or health care settings |