Table 2.

Relationship of short and long moderate-to-vigorous physical activity (MVPA) bouts with different intensity to BMI in the National Health and Nutrition Examination Survey (NHANES) 2003–2006: Regression results by gender

	Women (n=2,202)			Men (n=2,309)
Parameter	Coefficient	SE		Coefficient	SE
Intercept	19.25	2.43	***	24.23	1.37	***
Higher-intensity long bouts minutes/day	−0.04	0.01	***	−0.03	0.01	***
Higher-intensity short bouts minutes/day	−0.07	0.02	***	−0.04	0.01	***
Lower-intensity long bouts minutes/day	0.01	0.01		0.00	0.00
Lower-intensity short bouts minutes/day	0.00	0.01		0.00	0.01
Log (Age)	2.83	0.51	***	1.84	0.40	***
Married	−0.55	0.55		0.61	0.35	***
Less than high schoola	−0.07	0.62		−0.70	0.56
Some collegea	−0.16	0.42		−0.34	0.38
College graduatea	−1.77	0.43	***	−1.08	0.38	***
Blackb	2.41	0.44	***	0.59	0.41
Hispanicb	−0.34	0.52		−0.01	0.35
Other raceb	−2.98	0.61	***	−1.16	0.67
Family size	−0.06	0.13		0.18	0.08	**
Below poverty	0.89	0.57		−1.55	0.33	***
Daily calories (100 kcal)	0.06	0.03	*	0.00	0.02
Smoker	−1.31	0.41	***	−1.59	0.26	***
Poor/fair health	2.17	0.58	***	2.23	0.43	***
Hours of wear	−0.01	0.01		−0.02	0.01	***
Adj. R-squared	0.11			0.12

^aThe reference group in this sequence of dummy variables is “high school graduate.”

^bThe reference group in this sequence of dummy variables is “non-Hispanic whites.”

^***p< .01

^**p< .05

^*p< .10.