TABLE 2.

Amount of time^* spent in sedentary behavior (mean hours/day), by gender and age, United States, 2003–2004

Age group (years)	All participants	Males	Females	p value†
Total	7.67 (0.04)‡	7.63 (0.04)	7.70 (0.03)	0.001
Youths
6–11	6.07 (0.06)	6.00 (0.10)	6.14 (0.05)	0.002
12–15	7.53 (0.10)	7.37 (0.15)	7.70 (0.08)	0.003
16–19	8.03 (0.08)	7.91 (0.13)	8.13 (0.10)	0.028
Adults
20–29	7.48 (0.11)	7.27 (0.16)	7.68 (0.09)	0.001
30–39	7.25 (0.10)	7.17 (0.17)	7.34 (0.08)	0.061
40–49	7.55 (0.08)	7.57 (0.11)	7.53 (0.11)	0.252
50–59	7.87 (0.09)	7.93 (0.14)	7.82 (0.08)	0.515
60–69	8.41 (0.09)	8.80 (0.14)	8.08 (0.10)	0.003
70–85	9.28 (0.06)	9.52 (0.06)	9.11 (0.08)	0.015
p-trend	<0.001	<0.001	<0.001

^*Estimates of amounts of time spent in sedentary behaviors are least-square means adjusted for monitor-wearing time and age, as well as for gender as appropriate.

^†t test for the difference between males and females in each age group.

^‡Numbers in parentheses, standard error.