Table 1.

Illustration of the calculation of an obese-years metric for a single hypothetical individual

ID	Examination	Interval between examinations, years*	Body mass index†	Degree of obesity	Duration of obesity, years	Obese-years*	Cumulative obese-years
6	1 (baseline)	–	28	0	–	0	0
6	2	2	30	1	0	0	0
6	3	2	32	3	2	2	2
6	4	3	34	5	3	9	11
6	5	1	32	3	1	5	16
6	6	2	30	1	2	6	22
6	7	1.5	28	0	1.5	1.5	23.5
6	8	2.5	28	0	0	0	23.5
6	9	2	30	1	0	0	23.5
6	10	1.5	32	3	1.5	1.5	25
6	11	3	34	5	3	9	34
6	12	2	32	3	2	10	44
6	13	2	30	1	2	6	50

*All intervals refer to the interval between the current examination and the prior examination.

†Weight (kg)/height (m)².