Weight was measured using a calibrated scale, and height was measured using awall-mounted stadiometer.
Other data included the Rose Angina questionnaire14 ; a medication questionnaire; a
symptoms/adverse effects questionnaire; 24-hour urine collections for sodium, potassium, phosphorus, and urea nitrogen; submaximal treadmill tests; waist circumference; 24-hour dietary recalls; fasting blood analysis; and 7-day physical activity recalls. Each of these
measurements was obtained at baseline and 6 months after randomization.