Table 3 Summary of observational studies with sedentary behaviour and physical activity outcomes

Sedentary and Physical Activity Outcome - Cross-Sectional Studies

Hume (2005); Aust.^{A B}[73]

n=127; 10 yrs, 52%

Sedentary time;

0F,0M

0F,0M

0F,0M

Not included (NS); stratified by sex

LPA;

0F,0M

0F,0M

0F,0M

MPA (Acc) (V, R)

0F,0M

0F,0M

0F,+M

Roemmich (2007); USA [74]

n=88; 8–12 yrs; 50%

TV time (SR & PR);

+

Age, SES, % overweight, Acc wear time (PA), gender

PA counts;

0

MVPA time (Acc) (V)

0

Rosenberg (2010); USA [75]

n=189; 12–18 yrs; 49% n=116; 5–11 yrs; 48%

TV time;

-

+

+

Age, gender, race/ethnicity, household income, no. of children; stratified by age; analysed by PR/SR

Sedentary time (SR & PR);

0

+

+

MVPA time (SR & PR) (V)

+

0

0

Salmon (2005); Aust. [76]

n=878; 10–12 yrs; M/F

TV Time (PR) (V,R);

0F,0M

0F,0M

-F,-M

0F,+M

+F,+M

Maternal ed., school clustering, weight (girls TV model); stratified by gender

PA counts (low) (Acc) (V)

0F,+/-M

0F,0M

-F,+M

+F,0M

+F,+M

Sirard (2010); USA^C[77]

n=575; 10–17 yrs; 49%

Sedentary time (Acc) (V,R);

-

+

0

Gender, age, ethnicity, parent ed., pubertal status, people in home, parent BMI, mth of data collection, free lunch, study cohort, school clustering; stratified by gender (screen time)

Screen time (SR);

-F,0M

+F,0M

0F,0M

MVPA time (Acc) (V)

+

0

0

Sedentary and Physical Activity Outcome - Longitudinal Studies

Delmas (2007); France [78]

n=379, 12 yrs; 51%

TV time;

0F,+M

School clustering, sexual maturity, SES; stratified by gender

Reading (SR) (V,R);

-F,-M

Free & Club PA (SR) (V)

0F,0M