1 CO (primary care) Show forest plot

2

1791

Odds Ratio (M‐H, Fixed, 95% CI)

1.07 [0.83, 1.39]

2 All interventions Show forest plot

8

Odds Ratio (M‐H, Fixed, 95% CI)

Totals not selected

2.1 CO (primary care)

2

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.2 Genetic marker (smoking clinic)

1

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.3 Carotid US (health survey, Seychelles)

1

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.4 Spirometry (primary care)

1

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.5 CO and Spirometry (primary care)

1

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.6 CO and Genetic marker (smoking clinic)

1

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.7 CO (smoking clinic)

1

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.8 CO and Spirometry (veterans health prom. clinic)

1

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.9 CO and Spirometry (smoking clinic)

1

Odds Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]