1 Smoking cessation Show forest plot

15

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

1.1 CO (primary care)

2

1791

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.85, 1.32]

1.2 CO (smoking clinic)

1

293

Risk Ratio (M‐H, Fixed, 95% CI)

0.76 [0.44, 1.33]

1.3 CO (research institution)

1

160

Risk Ratio (M‐H, Fixed, 95% CI)

1.63 [0.40, 6.57]

1.4 Spirometry (primary care)

2

782

Risk Ratio (M‐H, Fixed, 95% CI)

1.18 [0.77, 1.81]

1.5 Spirometry with lung age feedback (primary care)

1

561

Risk Ratio (M‐H, Fixed, 95% CI)

2.12 [1.24, 3.62]

1.6 CO and spirometry (smoking clinic)

1

64

Risk Ratio (M‐H, Fixed, 95% CI)

2.0 [0.77, 5.20]

1.7 CO and spirometry (veterans health prom. clinic)

1

90

Risk Ratio (M‐H, Fixed, 95% CI)

3.0 [0.87, 10.36]

1.8 CO and spirometry (primary care)

1

205

Risk Ratio (M‐H, Fixed, 95% CI)

0.64 [0.29, 1.40]

1.9 CO and spirometry (research institution)

1

536

Risk Ratio (M‐H, Fixed, 95% CI)

1.15 [0.76, 1.75]

1.10 Genetic marker (cancer centre)

1

697

Risk Ratio (M‐H, Fixed, 95% CI)

0.90 [0.66, 1.24]

1.11 Genetic marker (workplace)

1

533

Risk Ratio (M‐H, Fixed, 95% CI)

0.73 [0.39, 1.38]

1.12 CO and genetic marker (smoking clinic)

1

270

Risk Ratio (M‐H, Fixed, 95% CI)

0.63 [0.34, 1.17]

1.13 Carotid ultrasound (health survey)

1

155

Risk Ratio (M‐H, Fixed, 95% CI)

2.77 [1.04, 7.41]

1.14 Carotid ultrasound (primary care)

1

536

Risk Ratio (M‐H, Fixed, 95% CI)

1.13 [0.83, 1.53]

1 Smoking cessation Show forest plot

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

1.1 Genetic marker + CO vs CO only

1

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]