“… hydrochlorothiazide therapy significantly reduced both systolic and diastolic blood pressure relative to baseline, … individualized behavioural psychotherapy or self-help psychotherapy (mean reduction [standard error; SE ] −11.03 [2.53] / −6.06 [1.56] mm Hg v. −0.… [2.83] / −0.71 [1.75] mm Hg, respectively; p = 0.01).”