Self-reported Smoking Abstinence at 6 Months (Not Biochemically Validated), By Site
| . | ITT population . | Minimally adjusted . | ||||
|---|---|---|---|---|---|---|
| Outcome . | Control (n = 488) . | Intervention (n = 484) . | Relative risk (95% CI) . | p-value . | Difference in risk (95% CI) . | p-value . |
| Self-reported smoking abstinence at 6m | 64 (13.1%) | 122 (25.2%) | 1.92 (1.46, 2.53) | <.001 | 0.12 (0.07, 0.17) | <.001 |
| By site*: | ||||||
| Site 1 | 24(11.9%) (n = 201) | 48 (24.1%) (n = 199) | 2.02 (1.29, 3.17) | .002 | 0.12 (0.05, 0.20) | .001 |
| Site 2 | 13(15.5%) (n = 84) | 22 (26.2%) (n = 84) | 1.69 (0.91, 3.13) | .094 | 0.11 (−0.01, 0.23) | .085 |
| Site 3 | 9 (17.0%) (n = 53) | 13 (24.1%) (n = 54) | 1.42 (0.67, 3.03) | .369 | 0.07 (−0.08, 0.22) | .362 |
| Site 4 | 8 (10.5%) (n = 76) | 18 (24.3%) (n = 74) | 2.31 (1.07, 4.99) | .033 | 0.14 (0.02, 0.26) | .024 |
| Site 5 | 9 (18.0%) (n = 50) | 16 (32.0%) (n = 50) | 1.78 (0.87, 3.64) | .115 | 0.14 (−0.03, 0.31) | .101 |
| Site 6 | 1 (4.2%) (n = 24) | 5 (21.7%) (n = 23) | 5.22 (0.66, 41.32) | .118 | 0.18 (−0.01, 0.36) | .065 |
| . | ITT population . | Minimally adjusted . | ||||
|---|---|---|---|---|---|---|
| Outcome . | Control (n = 488) . | Intervention (n = 484) . | Relative risk (95% CI) . | p-value . | Difference in risk (95% CI) . | p-value . |
| Self-reported smoking abstinence at 6m | 64 (13.1%) | 122 (25.2%) | 1.92 (1.46, 2.53) | <.001 | 0.12 (0.07, 0.17) | <.001 |
| By site*: | ||||||
| Site 1 | 24(11.9%) (n = 201) | 48 (24.1%) (n = 199) | 2.02 (1.29, 3.17) | .002 | 0.12 (0.05, 0.20) | .001 |
| Site 2 | 13(15.5%) (n = 84) | 22 (26.2%) (n = 84) | 1.69 (0.91, 3.13) | .094 | 0.11 (−0.01, 0.23) | .085 |
| Site 3 | 9 (17.0%) (n = 53) | 13 (24.1%) (n = 54) | 1.42 (0.67, 3.03) | .369 | 0.07 (−0.08, 0.22) | .362 |
| Site 4 | 8 (10.5%) (n = 76) | 18 (24.3%) (n = 74) | 2.31 (1.07, 4.99) | .033 | 0.14 (0.02, 0.26) | .024 |
| Site 5 | 9 (18.0%) (n = 50) | 16 (32.0%) (n = 50) | 1.78 (0.87, 3.64) | .115 | 0.14 (−0.03, 0.31) | .101 |
| Site 6 | 1 (4.2%) (n = 24) | 5 (21.7%) (n = 23) | 5.22 (0.66, 41.32) | .118 | 0.18 (−0.01, 0.36) | .065 |
*Test for interaction: p = .8191.
Self-reported Smoking Abstinence at 6 Months (Not Biochemically Validated), By Site
| . | ITT population . | Minimally adjusted . | ||||
|---|---|---|---|---|---|---|
| Outcome . | Control (n = 488) . | Intervention (n = 484) . | Relative risk (95% CI) . | p-value . | Difference in risk (95% CI) . | p-value . |
| Self-reported smoking abstinence at 6m | 64 (13.1%) | 122 (25.2%) | 1.92 (1.46, 2.53) | <.001 | 0.12 (0.07, 0.17) | <.001 |
| By site*: | ||||||
| Site 1 | 24(11.9%) (n = 201) | 48 (24.1%) (n = 199) | 2.02 (1.29, 3.17) | .002 | 0.12 (0.05, 0.20) | .001 |
| Site 2 | 13(15.5%) (n = 84) | 22 (26.2%) (n = 84) | 1.69 (0.91, 3.13) | .094 | 0.11 (−0.01, 0.23) | .085 |
| Site 3 | 9 (17.0%) (n = 53) | 13 (24.1%) (n = 54) | 1.42 (0.67, 3.03) | .369 | 0.07 (−0.08, 0.22) | .362 |
| Site 4 | 8 (10.5%) (n = 76) | 18 (24.3%) (n = 74) | 2.31 (1.07, 4.99) | .033 | 0.14 (0.02, 0.26) | .024 |
| Site 5 | 9 (18.0%) (n = 50) | 16 (32.0%) (n = 50) | 1.78 (0.87, 3.64) | .115 | 0.14 (−0.03, 0.31) | .101 |
| Site 6 | 1 (4.2%) (n = 24) | 5 (21.7%) (n = 23) | 5.22 (0.66, 41.32) | .118 | 0.18 (−0.01, 0.36) | .065 |
| . | ITT population . | Minimally adjusted . | ||||
|---|---|---|---|---|---|---|
| Outcome . | Control (n = 488) . | Intervention (n = 484) . | Relative risk (95% CI) . | p-value . | Difference in risk (95% CI) . | p-value . |
| Self-reported smoking abstinence at 6m | 64 (13.1%) | 122 (25.2%) | 1.92 (1.46, 2.53) | <.001 | 0.12 (0.07, 0.17) | <.001 |
| By site*: | ||||||
| Site 1 | 24(11.9%) (n = 201) | 48 (24.1%) (n = 199) | 2.02 (1.29, 3.17) | .002 | 0.12 (0.05, 0.20) | .001 |
| Site 2 | 13(15.5%) (n = 84) | 22 (26.2%) (n = 84) | 1.69 (0.91, 3.13) | .094 | 0.11 (−0.01, 0.23) | .085 |
| Site 3 | 9 (17.0%) (n = 53) | 13 (24.1%) (n = 54) | 1.42 (0.67, 3.03) | .369 | 0.07 (−0.08, 0.22) | .362 |
| Site 4 | 8 (10.5%) (n = 76) | 18 (24.3%) (n = 74) | 2.31 (1.07, 4.99) | .033 | 0.14 (0.02, 0.26) | .024 |
| Site 5 | 9 (18.0%) (n = 50) | 16 (32.0%) (n = 50) | 1.78 (0.87, 3.64) | .115 | 0.14 (−0.03, 0.31) | .101 |
| Site 6 | 1 (4.2%) (n = 24) | 5 (21.7%) (n = 23) | 5.22 (0.66, 41.32) | .118 | 0.18 (−0.01, 0.36) | .065 |
*Test for interaction: p = .8191.
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