Unraveling the Relationship between Smoking and Weight: The Role of Sedentary Behavior

Table 5

Analyses predicting waist circumference including interaction terms.

	Beta coefficient (confidence interval)	𝑃 value
Low sedentary never smoker	—	—
Low sedentary former smoker	1.30 (0.04–2.56)	.0432
Low sedentary current smoker	−0.47 (−1.52–0.59)	.3811
Moderate sedentary never smoker	2.88 (2.02–3.75)	<.0001
Moderate sedentary former smoker	3.58 (2.50–4.65)	<.0001
Moderate sedentary current smoker	0.07 (−.95–1.09)	.8910
High sedentary never smoker	6.35 (5.14–7.56)	<.0001
High sedentary former smoker	7.66 (6.27–9.05)	<.0001
High sedentary current smoker	2.55 (1.33–3.76)	<.0001
Dining out (per week)
<1 time or never	0	—
1 time	.92 (.04–1.80)	.0403
≥2 times	2.01 (1.36–2.65)	<.0001
Sex
Male	0	—
Female	−6.79 (−7.40–6.18)	<.0001
Race
Non-Hispanic white	0	—
Non-Hispanic black	.82 (.11–1.54)	.0252
Mexican American	−.12 (−1.15–.91)	.8147
Other	−2.45 (−3.70–1.19)	.0002
Age	.17 (.15–.19)	<.0001
Education
< HS	2.92 (1.96–3.88)	<.0001
HS	3.19 (2.37–4.01)	<.0001
Associates or some college	2.74 (1.97–3.50)	<.0001
≥ College	0	—
Survey year
1999-2000	0	—
2001-2002	.57 (−.68–1.81)	.3656
2003-2004	1.94 (.69–3.20)	.0030
2005-2006	2.08 (.54–3.63)	.0091