2.5 kg (SD=6.1) for normal weight women, 2.4 kg (SD=10.0) for moderate obese women, -0.3 kg (SD=15.7) for severe obese women, 3.7 kg (SD=7.4) for normal weight men, 1.4 kg (SD=8.2) for moderate obese men and -1.3 kg (SD=14.4) for severe obese men.