Fig. 1.

Practitioners' confidence in providing stop smoking support or medication to smokers with mental health problems (1 - not confident at all, 5 - very confident); N = 647.

Note: test statistics for ‘lead’ vs. ‘no lead’ groups comparison: 1. a) t(391.1) = − 7.1, p < 0.001; b) t(330.9) = − 7.6, p < 0.001; c) t(301.2) = − 5.2, p < 0.001; d) t(307.3) = − 7.8, p < 0.001; e) t(333.9) = − 7.8, p < 0.001. 2. a) t(504.5) = − 7.2, p < 0.001; b) t(244.2) = − 4.7, p < 0.001; c) t(309.5) = − 6.9, p < 0.001; d) t(283.2) = − 3.9, p < 0.001.