Table 2.

BMI at baseline

		All (n = 893)		Female (n = 438)		Male (n = 455)
	BMI	%	n	%	n	%	n
Underweight	< 18	0	0	0	0	0	0
Normal	18–25	19	174	18	79	21	95
Overweight	26–30	32	283	28	124	35	159
Obese (class 1)	31–35	25	223	24	105	26	118
Obese (class 2)	> 35	24	213	30	130	18	83