Table 1.

Baseline characteristics, follow-up time, and number of weight measurements

Characteristic	n	%	Yrs. Between weights	No. weights
			Median (IQR)	Median (IQR)
Overall cohort	115,260	100.0	2.0 (0.7, 4.5)	5 (3, 11)
Sex
Female	69,384	60.2	1.9 (0.7, 4.4)	5 (3, 11)
Male	45,876	39.8	2.1 (0.7, 4.8)	5 (3, 10)
Age categories (years)
18 to 29	26,248	22.8	1.3 (0.5, 3.1)	4 (2, 7)
30 to 44	35,133	30.5	1.8 (0.7, 4.4)	5 (3, 9)
45 to 54	28,266	24.5	3.0 (1.1, 6.8)	7 (4, 15)
55 to 64	25,613	22.2	2.1 (0.8, 4.3)	6 (3, 12)
Race/ethnicity
non-Hispanic White	77,398	67.2	2.0 (0.7, 4.6)	5 (3, 11)
non-Hispanic Black	8,403	7.3	1.8 (0.6, 4.3)	5 (3, 11)
Hispanic	7,017	6.1	1.7 (0.6, 4.0)	5 (3, 10)
non-Hispanic Asian	17,578	15.3	2.2 (0.8, 4.7)	5 (3, 10)
Hawai’ian / Pacific Islander	1,503	1.3	1.7 (0.6, 3.9)	5 (3, 9)
Native American / Alaskan Native	1,602	1.4	1.7 (0.6, 4.1)	6 (3, 11)
Other	1,759	1.5	1.8 (0.6, 4.1)	5 (3, 10)
Insurance type
Commercial	109,146	94.7	2.0 (0.7, 4.6)	5 (3, 11)
Medicaid	4,109	3.6	1.5 (0.6, 3.3)	5 (3, 10)
Medicare	1,273	1.1	1.8 (0.7, 3.8)	8 (4, 18)
Other	732	0.6	0.8 (0.3, 1.8)	3 (2, 6)
BMI categories
15.0 to 18.4	1,629	1.4	1.8 (0.6, 3.8)	5 (3, 9)
18.5 to 24.9	43,396	37.7	1.9 (0.7, 4.4)	5 (3, 9)
25.0 to 29.9	37,152	32.2	2.1 (0.7, 4.7)	5 (3, 11)
30.0 to 34.9	18,502	16.1	2.0 (0.7, 4.7)	6 (3, 12)
35.0 to 39.9	8,211	7.1	1.9 (0.7, 4.5)	6 (3, 12)
40.0 or more	6,370	5.5	1.9 (0.6, 4.3)	7 (3, 14)
Self-reported smoking status
Current, Self-Report	12,000	10.4	1.6 (0.5, 3.8)	5 (3, 10)
Former, Self-Report	16,747	14.5	1.8 (0.7, 4.1)	5 (3, 11)
Never, Self-Report	61,867	53.7	1.8 (0.7, 4.1)	5 (3, 10)
Missing	24,646	21.4	3.0 (1.0, 6.3)	7 (3, 13)
Diabetes diagnosis	5,685	4.9	1.9 (0.7, 4.3)	8 (4, 16)

BMI = body mass index, n = sample size, IQR = interquartile range