Participants in the integrated intervention group will : ( 1 ) receive individually tailored web-based feedback on their drinking behaviour based on age and gender norms , ( 2 ) receive individually tailored mobile phone text messages to promote drinking within low-risk limits over a 3-month period , ( 3 ) receive individually tailored mobile phone text messages to support smoking cessation for 3months , and ( 4 ) be offered the option of registering for a more intensive program that provides strategies for smoking cessation centred around a self-defined quit date .