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. 2013 May 31;3(6):e002901. doi: 10.1136/bmjopen-2013-002901

Table 6.

Relative risks and 95% CIs of obesity defined as large WC associated with TV viewing and non-TV sedentary time

Age-adjustment and sex-adjustment Full model adjustment
TV viewing time
 <1 h (N=644) 1.00 1.00
 >1 and <2 h (N=544) 1.64 (1.29 to 2.08; p=0.00005) 1.60 (1.26 to 2.04; p=0.00014)
 >2 and <3 h (N=201) 1.83 (1.35 to 2.47; p=0.00008) 1.62 (1.18 to 2.22; p=0.00297)
 >3 h (N=70) 1.91 (1.23 to 2.97; p=0.00379) 1.63 (1.03 to 2.58; p=0.03762)
Non-TV sedentary time
 <1 h (N=173) 1.00 1.00
 >1 and <2 h (N=408) 1.15 (0.77 to 1.73; p=0.49828) 1.06 (0.70 to 1.60; p=0.78036)
 >2 and <3 h (N=322) 1.49 (0.99 to 2.23; p=0.05454) 1.32 (0.88 to 1.98; p=0.18497)
 >3 h (N=556) 1.63 (1.12 to 2.38; p=0.01155) 1.50 (1.02 to 2.21; p=0.03950)

WC >88 cm in women and >102 cm in men.

Full model=multivariable-adjustments for age, sex, genetic predisposition, leisure-time physical activity, energy intake, adherence to the recommended diet, and all diet items that are associated with TV viewing, sleep duration, socioeconomic status, smoking and alcohol consumption.

WC, waist circumference.