Table 1.

Sociodemographic, Behavioral, and Clinical Factors Associated with Incident Obesity

		Incident Obesity
	All (n = 815)	No (n = 594)	Yes (n = 221)	OR (95%CI)
Sex
Male, %	50.5	85.2	14.8	1.0
Female, %	49.5	85.1	14.9	2.15 (1.45-3.17)***,a
Race
Caucasian, %	94.7	85.8	14.2	1.0
Non-Caucasian, %	5.3	70.7	29.3**	1.31 (0.67-2.55)a
Age, years	48.9 (13.4)	49.2 (13.5)	46.8 (12.7)*	0.95 (0.94-0.97)***,a
≥ 60, %	22.6	88.0	12.0	1.0
41-59, %	48.8	84.7	15.3	4.15 (2.35-7.32)***,a
≤ 40, %	28.5	83.6	16.7	1.84 (1.12-3.01)*,a
Baseline BMI, kg/m2	24.6 (2.8)	24.1 (2.6)	27.3 (2.2)***	1.74 (1.59-1.90)***
< 25, %	51.6	95.3	4.7	1.0
≥ 25, %	48.4	74.1	25.9***	7.04 (4.57-10.8)***
Follow-up BMI, kg/m2	26.1 (3.7)	25.0 (2.8)	32.2 (2.2)**	---
< 25, %	39.3	---	---	---
≥ 25, %	45.7	---	---	---
≥ 30, %	15.0	---	---	---
Change in BMI, kg/m2	1.5 (2.6)	0.9 (1.9)	4.9 (2.9)***	2.19 (1.95-2.45)***
Baseline weight, kg	72.8 (12.6)	71.5 (12.1)	80.6 (12.8)***	1.06 (1.04-1.07)***
Follow-up weight, kg	76.5 (14.3)	73.5 (12.1)	94.2 (13.5)***	---
Change in weight, kg	3.7 (7.5)	2.0 (5.6)	13.6 (9.2)***	1.29 (1.24-1.34)***
Change in weight, %	5.4 (10.4)	3.3 (8.1)	17.9 (13.2)***	---
≥ 10, %	26.0	18.0	73.0***	11.2 (7.71-16.3)***
Caffeine, cup/day	2.4 (2.9)	2.3 (2.8)	2.6 (3.3)	1.04 (0.98-1.09)
None, %	32.2	85.5	14.5	1.0
≥ 1 cup/day, %	67.8	84.9	15.1	1.05 (0.74-1.50)
Cigarettes, n/day	4.3 (11.0)	4.6 (11.5)	3.0 (7.2)	0.98 (0.96-1.00)
None, %	77.9	84.6	15.4	1.0
≥ 1/day, %	22.1	86.5	13.5	0.86 (0.57-1.29)
Alcohol, drink/day	1.3 (6.1)	1.3 (6.5)	0.9 (2.6)	0.98 (0.93-1.03)
None, %	72.1	84.0	16.0	1.0
≥ 1 drink/day, %	27.9	88.1	11.9	0.72 (0.49-1.06)
Diabetes
No, %	90.7	85.7	14.3	1.0
Yes, %	9.3	78.8	21.2	0.66 (0.37-1.17)a
Hypertension
No, %	69.3	86.0	14.0	1.0
Yes, %	30.7	83.0	17.0	0.81 (0.55-1.21)a

^*p ≤ .05;

^**p ≤ .01;

^***p ≤ .001;

^aadjusted for baseline BMI