- Body Mass Index (BMI) >= 18.0 to <= 29.9 kg/m2 after rounding to the tenths decimal for Substudy 1 OR BMI >= 18.0 to <= 34.9 kg/m2 after rounding to the tenths decimal for Substudy 2. BMI is calculated as weight measured in kilograms (kg) divided by the square of height measured in meters (m).