. Author manuscript; available in PMC: 2008 Feb 21.

Published in final edited form as: Obesity (Silver Spring). 2008 Feb;16(2):409–414. doi: 10.1038/oby.2007.72

Table 1.

Odds ratios (OR and 95% confidence intervals (CI)) of obesity and abdominal obesity at 25 years by physical activity at 16-18 years in the Twin Cohort Study

	Obesity^* at 25 y (n=4068)		Abdominal obesity^† at 25 y (n=3982)

	OR	95% CI	OR	95% CI

Physical activity at 16-18 y

Persistently active	1.0		1.0

Occasionally active
Adjusted for sex and BMI at 16-18 y	2.04	0.98, 4.26	3.00	1.72, 5.24
Additionally adjusted for BMI at 25 y			2.72	1.31, 5.65

Persistently inactive
Adjusted for sex and BMI at 16-18 y	3.86	1.37, 10.89	5.71	2.83, 11.53
Additionally adjusted for BMI at 25 y			4.79	1.92, 12.00

body mass index ≥ 30 kg/m²

^†

waist circumference ≥ 88 cm in females and ≥ 102 cm in males