A 55-year-old non-Indigenous man attends your general practice for review of cardiovascular risk. He is a non-smoker with a BP of 152/94 mmHg on repeated measurements, total cholesterol 6.0 mmol/L, HDL cholesterol 1.1 mmol/L and fasting glucose 5.6 mmol/L. The Australian CVD Risk Calculator estimates his 5-year absolute cardiovascular disease (CVD) risk as 12%. He has no history of established CVD. In addition to lifestyle advice, what is the most appropriate pharmacological management strategy?