From: 'The smoking toolkit study': a national study of smoking and smoking cessation in England
 | 2007 | 2008 | 2009†| |
---|---|---|---|---|
Total | STS | 24.1 (23.6 to 24.7) | 22.0 (21.4 to 22.6) | 21.5 (21.0 to 22.1) |
population | GLF | 20.5 (19.8 to 21.3) | 20.9 (19.9 to 22.0) | 21 (20.0 to 22.0) |
 | HSE | 22.3 (21.0 to 23.6) | 21.7 (20.9 to 22.6) | 22 (20.4 to 23.6) |
 | Heterogeneity | X2 = 50.3, p < 0.001 | X2 = 2.97, p = 0.227 | X2 = 1.3, p = 0.535 |
Gender | Â | Â | Â | Â |
   Men | STS | 25.6 (24.7 to 26.4) | 22.9 (22.0 to 23.8) | 22.6 (21.8 to 23.5) |
 | GLF | 22.0 (20.8 to 23.2) | 21.9 (20.6 to 23.3) | 22 (20.7 to 23.3) |
 | HSE | 23.8 (22.1 to 25.5) | 23.7 (22.5 to 25.0) | 24 (21.8 to 26.2) |
 | Heterogeneity | X2 = 22.4, p < 0.001 | X2 = 3.7, p = 0.159 | X2 = 2.4, p = 0.306 |
   Women | STS | 22.8 (22.0 to 23.6) | 21.2 (20.4 to 22.0) | 20.5 (19.7 to 21.3) |
 | GLF | 19.2 (18.2 to 20.3) | 20.1 (18.9 to 21.3) | 20 (18.8 to 21.2) |
 | HSE | 20.8 (19.4 to 22.4) | 19.9 (18.9 to 20.8) | 20 (18.1 to 21.9) |
 | Heterogeneity | X2 = 29.2, p < 0.001 | X2 = 4.7, p = 0.095 | X2 = 0.58, p = 0.750 |
Age | Â | Â | Â | Â |
   16-24 | STS | 32.7 (31.2 to 34.3) | 29.3 (27.7 to 31.0) | 28.3 (26.8 to 29.9) |
 | GLF | 27.2 (24.3 to 30.0) | 27.6 (24.4 to 31.1) | - |
 | HSE | 25.3 (21.8 to 29.2) | 26.2 (23.9 to 28.6) | - |
 | Heterogeneity | X2 = 20.2, < 0.001 | X2 = 4.6, p = 0.099 | - |
   25-44 | STS | 28.2 (27.2 to 29.2) | 27.1 (26.0 to 28.1) | 26.3 (25.3 to 27.3) |
 | GLF | 24.4 (23.0 to 25.8) | 24.9 (23.1 to 26.8) | - |
 | HSE | 27.9 (25.7 to 30.0) | 28.4 (26.8 to 30.0) | - |
 | Heterogeneity | X2 = 19.5, p < 0.001 | X2 = 7.9, p = 0.019 | - |
   45-64 | STS | 23.3 (22.3 to 24.3) | 20.3 (19.3 to 21.3) | 20.5 (19.5 to 21.5) |
 | GLF | 20.8 (19.5 to 22.2) | 20.8 (19.3 to 22.5) | - |
 | HSE | 21.3 (19.5 to 23.3) | 19.2 (18.0 to 20.5) | - |
 | Heterogeneity | X2 = 0.95, p = 0.008 | X2 = 2.76, p = 0.251 | - |
   65+ | STS | 11.1 (10.2 to 12.1) | 9.7 (8.7 to 10.6) | 9.4 (8.5 to 10.3) |
 | GLF | 9.5 (8.5 to 10.7) | 10.1 (9.0 to 11.4) | - |
 | HSE | 11.2 (9.6 to 13.0) | 10.2 (9.2 to 11.3) | - |
 | Heterogeneity | X2 = 4.6, p = 0.100 | X2 = 0.49, p = 0.784 | - |
SES* | Â | Â | Â | Â |
   High SES | STS | 17.9 (17.3 to 18.6) | 15.3 (14.6 to 16.0) | 15.7 (15.1 to 16.4) |
 | GLF | 15.7 (14.8 to 16.7) | 16.0 (14.9 to 17.2) | - |
 | HSE | 16.9 (15.5 to 18.4) | 17.4 (16.5 to 18.4) | - |
 | Heterogeneity | X2 = 12.6, p = 0.002 | X2 = 11.4, p = 0.0003 | - |
   Low SES | STS | 31.9 (31.0 to 32.8) | 30.4 (29.4 to 31.4) | 29.1 (28.1 to 30.0) |
 | GLF | 27.5 (26.1 to 29.0) | 29.3 (27.6 to 31.0) | - |
 | HSE | 29.8 (27.8 to 31.9) | 28.0 (26.6 to 29.5) | - |
 | Heterogeneity | X2 = 26.2, p < 0.001 | X2 = 7.3, p = 0.027 | - |