Table 5.
Effect of specificity and enactment of GPs’ plan on asking about smoking (patient-reported) among the three subgroups of patients who consulted 1) a pre-intender GP, 2) an intender GP, and 3) an actor GP a,b
| GP pre-intender (n = 393) | GP intender (n = 2,211) | GP actor (n = 797) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Prentotal (% asked) | Postntotal (% asked) | Time × group OR (95% CI) | Prentotal (% asked) | Postntotal (% asked) | Time × group OR (95% CI) | Prentotal (% asked) | Postntotal (% asked) | Time × group OR (95% CI) | |
| Plan specificity | |||||||||
| High | 86 (20.9%) | 32 (68.8%) | 8.26 (2.26–27.39)* | 416 (31.0%) | 274 (44.9%) | 1.93 (1.49–2.50)** | 229 (27.1%) | 131 (20.6%) | 0.82 (0.48–1.40) |
| Low | 9 (33.3%) | 0 (00.0%) | c | 163 (33.1%) | 144 (47.9%) | 2.03 (1.38–2.99)** | 99 (47.5%) | 49 (16.3%) | 0.19 (0.08–0.46)** |
| Control group | 182 (15.4%) | 84 (10.7%) | 1 | 719 (40.1%) | 495 (40.8%) | 1 | 165 (40.6%) | 124 (32.3%) | 1 |
| Plan enactment | |||||||||
| High | 49 (28.6%) | 21 (90.5%) | 46.84 (6.8–324.9)** | 256 (35.9%) | 235 (57.0%) | 2.80 (2.02–3.89)** | 154 (64.3%) | 58 (72.4%) | 0.69 (0.36–1.32) |
| Low | 46 (15.2%) | 11 (27.3%) | 1.49 (0.35–6.38) | 323 (65.0%) | 183 (61.2%) | 1.10 (0.77–1.58) | 174 (59.2%) | 122 (80.3%) | 0.43 (0.25–0.74)* |
| Control group | 182 (10.0%) | 84 (10.7%) | 1 | 719 (51.3%) | 495 (54.9%) | 1 | 165 (55.5%) | 124 (66.9%) | 1 |
| PS × PE | |||||||||
| High × high | 40 (27.5%) | 21 (90.5%) | 66.45 (6.65–661.7)** | 204 (38.2%) | 166 (59.0%) | 9.78 (3.90–24.53)** | 115 (36.5%) | 34 (29.4%) | 37.82 (8.95–159.9)** |
| Low × high | 9 (33.3%) | 0 (0.00%) | c | 52 (26.9%) | 69 (52.2%) | 4.78 (2.04–11.19)** | 39 (17.9%) | 24 (16.7%) | 1.32 (0.31–5.58) |
| High × low | 46 (15.2%) | 11 (27.3%) | 1.94 (0.32–11.77) | 212 (24.1%) | 108 (23.2%) | 1.09 (0.58–2.03) | 114 (17.5%) | 97 (17.5%) | 2.04 (0.83–5.02) |
| Low × low | 0 (0.00%) | 0 (0.00%) | c | 111 (36.0%) | 75 (44.0%) | 1.60 (0.80–3.20) | 60 (66.7%) | 25 (16.0%) | 0.14* (0.04–0.54) |
| Control group | 182 (15.4%) | 84 (10.7%) | 1 | 719 (44.1%) | 495 (41.1%) | 1 | 165 (40.6%) | 124 (32.3%) | 1 |
GPs general practitioners, PS plan specificity, PE plan enactment, OR odds ratio, CI confidence interval.
aIncludes all patients, both smokers and non-smokers (n = 3,401).
bGeneralised estimating equations adjusted for clustering and patient characteristics.
cAnalyses not possible due to the sparseness of data.
*p < 0.01, **p < 0.001.