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