Table 2.

Effect of GP plan specificity on the provision of smoking cessation activities (patient-reported) ^a

	Baseline		Post-intervention		Time × group OR (95% CI)
All patients (n = 3,401)	n total	% asked	n total	% asked
Asked about smoking
Highly specific GP plan	731	29.9%	437	41.0%	2.11 (1.51–2.95)**
Low specific GP plan	271	40.3%	193	42.8%	1.29 (0.82–2.03)
Control group	1,066	40.8%	703	37.1%	1
All smokers (n = 665)	n total	% advised	n total	% advised
Advised to quit
Highly specific GP plan	93	37.1%	49	53.3%	2.28 (0.81–6.40)
Low specific GP plan	102	43.3%	49	33.3%	0.62 (0.21–1.80)
Control group	229	43.8%	143	44.1%	1
Smokers motivated to quit (n = 214)	n total	% arranged	n total	% arranged
Arranged for follow-up
Highly specific GP plan	39	15.4%	20	40.0%	b
Low specific GP plan	21	28.6%	11	18.2%	b
Control group	71	18.3%	52	9.6%	1
Smokers not motivated to quit (n = 408)	n total	% arranged	n total	% arranged
Arranged for follow-up
Highly specific GP plan	39	20.5%	21	14.3%	b
Low specific GP plan	82	4.9%	38	7.9%	b
Control group	142	4.9%	86	10.5%	1

GPs general practitioners, OR odds ratio, CI confidence interval.

^aGeneralised estimating equations adjusted for clustering and patient characteristics.

^bAnalyses not possible due to the sparseness of data.

*p < 0.01, **p < 0.001.