TABLE 1.

Basal energy expenditure (BEE) in a 1.75-m (69-inch) man aged 30 y at normal weight and with class III obesity with varying physical activity levels¹

	BMI (kg/m2)
	25 (179 lbs)	40 (286 lbs)
	kcal
BEE	1753	2217
Sedentary	2540	3192
Low active	2776	3507
Active	3071	3899
Very active	3602	4607

¹Setting a negative caloric balance goal (≈464 kcal/d) on the basis of a patient's normal-weight energy requirement could induce medically significant weight loss for a class III obese patient. This caloric prescription is in line with the current dietary guidelines for weight loss. In normal-weight, overweight, and obese men aged ≥19 y, total energy expenditure (TEE) = 864 – [9.72 × age (y)] + physical activity (PA) × [14.2 × weight (kg) + 503 × height (m)], where PA is the physical activity coefficient: PA = 1.00 if PA level (PAL) is estimated to be ≥1.0 and <1.4 (sedentary); PA = 1.12 if PAL is estimated to be ≥1.4 and <1.6 (low active); PA = 1.27 if PAL is estimated to be ≥1.6 and <1.9 (active); PA = 1.54 if PAL is estimated to be ≥1.9 and <2.5 (very active). The BEE, TEE, and Harris-Benedict data were adapted from reference 1.