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Table 1 Study information and sample characteristics of the articles included in the systematic review

From: Variation in population levels of sedentary time in European children and adolescents according to cross-European studies: a systematic literature review within DEDIPAC

Publication

Study

Study design

Quality score (0-1)

Number of EU countries

Number of EU partici-pants

Demographics

Sedentary time assessment method

Reported sedentary time variable

Age range

Gender, girls

SES

Weight status

Biddle et al. (2009) a [ 22 ]

/

CS

0.91

3

623

13-18y

60.4 %

15.0 - 36.1 % low SES

n.r.

Ecological Momentary Assessment diary

min/weekday and min/weekend day technical sedentary behaviours, social sedentary behaviours

Soos et al. (2012) [23]

/

CS

0.83

2

635

13.1-18.0y

60.5 %

n.r.

n.r.

Ecological Momentary Assessment diary

min/day television viewing, doing homework, motorised transport, sitting and talking, computer use, reading, sitting doing nothing, videogames

Soos et al. (2014) [ 24 ]

/

CS

0.86

4

700

11.9-17.9y

57 %

n.r.

n.r.

Ecological Momentary Assessment diary

min/day television viewing, computer use, playing computer games, telephone use, motorised transport, sitting and talking, doing homework, reading

Cinar & Murtomaa (2008) a [ 25 ]

/

CS

0.77

2

619

10-12y

43.9 - 49.1 %

n.r.

18.7 kg/m2

Child questionnaire

% favorable: <2 h/day television viewing

% unfavorable: >2 h/day television viewing

Hanewinkel et al. (2012) [ 26 ]

/

CS

0.95

6

16551

10-19y

49 %

10 % low SES

n.r.

Child questionnaire

h/schoolday television viewing: % None, % less than 1 h, % 1–2 h, % 3–4 h, % >4 h

Börnhorst et al. (2015) [ 27 ]

COSI

CS

0.95

5

10453

6.0-9.9y

49.4 %

16.5 % par. Master’s degree or higher

26.9 % over-weight

Child questionnaire

h/day television time, computer time, screen-time

Brug et al. (2012) a [ 28 ]

ENERGY

CS

1.00

7

7234

10-12y

52 %

15.7-48.4 % low par. edu.

18.1 - 20.6 kg/m2

Child questionnaire

min/day screen-time, television viewing and computer use (FQ and 24 h-recall)

Brug et al. (2012)a [29]

ENERGY

CS

0.91

7

7307

10-12y

52 %

29-59 % low par. edu.

19.0-19.5 kg/m2

Child questionnaire

min/day screen-time

Fernandez-Alvira et al. (2013) [30]

ENERGY

CS

0.95

7

5284

10-12y

54.3 %

32.5 % low par. edu.

20.4 % over-weight

Child questionnaire

min/day screen-time

van Stralen et al. (2014) [ 31 ]

ENERGY

CS

0.95

5

1025

10-12y

51 %

45 % low par. edu.

19.0 kg/m2

ActiGraph accelerometer

min/school-time sedentary time + percentage of total school-time spent in sedentary activities

Verloigne et al. (2012) [ 32 ]

ENERGY

CS

0.95

5

687

10-12y

53 %

n.r.

19.0 kg/m2

ActiGraph accelerometer

min/day sedentary time

Yildirim et al. (2014) [33]

ENERGY

CS

0.95

5

722

10-12y

53 %

14 % not speaking native language at home

n.r.

ActiGraph accelerometer

min/day sedentary time

Ekelund et al. (2004) [34]

EYHS

CS

1.00

4

1292

9-10y

50.6 %

n.r.

17.2 kg/m2

MTI ActiGraph accelerometer

% sedentary activity per day

Jago et al. (2008) [35]

EYHS

CS

0.95

4

2670

9y and 15y

51.1 %

n.r.

13.1 % over-weight

Child questionnaire

% <2 h, % ≥2 h television viewing after school

% <1 h, % ≥1 h/day computer use

Nilsson et al. (2009) a [ 36 ]

EYHS

CS

1.00

4

1954

9y and 15y

47.9 – 63.2 %

n.r.

n.r.

MTI ActiGraph accelerometer

min/weekday, min/weekend day, min/school-time, min/leisure-time sedentary time

Ortega et al. (2013) a [ 37 ]

EYHS

LT cohort

0.91

2

503

15y and 18y

55.4-56.7 %

27.6-33.3 % mother university (baseline)

16.4 – 17.3 kg/m2 (base-line)

ActiGraph accelerometer

min/day, weekday and weekend day sedentary time

van Sluijs et al. (2008) a [ 38 ]

EYHS

CS

0.95

4

2107

9y and 15y

43.9-54.4 %

6.7-10.8 mean edu./income (3-16)

18.1-19.2 kg/m2

Child questionnaire

% >1 h television before school

% >2 h television after school

% >1 h/day computer use

Janssen et al. (2005) a [ 39 ]

HBSC 01/02

CS

0.95

29

128845

10-16y

47.1 - 53.3 %

n.r.

5.1 - 25.4 % over-weight

Child questionnaire

% high television viewing = >3 h/weekday

% high computer use = >2 h/weekday

Kuntsche et al. (2006) [40]

HBSC 01/02

CS

0.91

5

19877

11y, 13y, 15y

52.6 %

n.r.

n.r.

Child questionnaire

h/weekday and h/weekend day television viewing

Richter et al. (2009)a [41]

HBSC 01/02

CS

0.95

24

76794

13y, 15y

52.2 %

22.7-41.9 % low FAS

n.r.

Child questionnaire

% ≥ 4 h/day television viewing

Vereecken et al. (2006) [42]

HBSC 01/02

CS

0.91

28

148150

11y, 13y, 15y

n.r.

n.r.

n.r.

Child questionnaire

h/day television viewing

HBSC report 2004a [43]

HBSC 01/02

CS

0.73

28

146368

11y, 13y, 15y

51.5 %

27.6 % low FAS

7.1 – 12.1 % pre-obese

Child questionnaire

% ≥4 h/weekday and weekend day television viewing

% ≥3 h/weekday and weekend day computer use

% ≥3 h/weekday and weekend day homework

Haug et al. (2009) a [ 44 ]

HBSC 05/06

CS

1.00

34

187657

11y, 13y, 15y

49.3 %

n.r.

6.3 – 18.5 % pre-obese

Child questionnaire

% less than 2 h/day television viewing, computer games, computer use

Torsheim et al. (2010) [45]

HBSC 05/06

CS

0.91

5

31022 (all 6 countries)

11y, 13y, 15y

n.r.

n.r.

n.r.

Child questionnaire

h/day of computer use, computer games, television viewing

HBSC report 2008a [46]

HBSC 05/06

CS

0.68

35

188147

11y, 13y, 15y

50.7 %

2-70 % low FAS

13-14 % over-weight

Child questionnaire

% ≥2 h/weekday television viewing, computer use, computer games/game console

Nuutinen et al. (2015) [47]

HBSC 09/10

CS

1.00

3

5402

15y

53 %

n.r.

n.r.

Child questionnaire

h:min/day computer use schooldays

HBSC report 2012a [48]

HBSC 09/10

CS

0.68

35

178531

11y, 13y, 15y

51 %

2 %-42 % low FAS

10-18 % over-weight

Child questionnaire

% ≥ 2 h/weekday of television viewing

Bucksch et al. (2016) a [ 49 ]

HBSC 01/02, HBSC 05/06, HBSC 09/10

CS

0.82

24

443821 (total sample)

11y, 13y, 15y

51.2-51.4 %

n.r.

n.r.

Child questionnaire

h/weekday and weekend day television viewing, computer use

(total sample)

HBSC report 2016 a [ 50 ]

HBSC 13/14

CS

0.64

36

199316

11y, 13y, 15y

50.7 %

38-76 FAS score (0-100)

15 % over-weight

Child questionnaire

% ≥ 2 h/weekday of television viewing

% ≥ 2 h/weekday of computer use

≥2 h/weekday of playing games

Atkin et al. (2014) a [ 51 ]

ICAD

Pooled data (CS and LT)

0.82

5

5474

8-17y

48.9-56.7 %

4.8-52.6 % mother university

9.4-24.0 % over-weight

Child or parental questionnaire

% ≥ 2/day screen time

Ekelund et al. (2012) a [ 52 ]

ICAD

Pooled data (CS and LT)

0.91

7

15614

4-18y

51.6 %

n.r.

19.1-19.4 kg/m2

ActiGraph accelerometer

min/day sedentary time

Hildebrand et al. (2015) [53]

ICAD

Pooled data (CS and LT)

0.91

6

10367

6-18y

53 %

n.r.

15.9 % over-weight; 4.8 % obese

ActiGraph accelerometer

min/day sedentary time

Hense et al. (2011) [ 54 ]

IDEFICS

CS

0.91

8

8542

2-9y

49.2 %

27.2 % low SES

20.2 % over-weight

Parental questionnaire

h/day screen-time. % not at all, % <0.5 h, % 0.5-1 h, % 1-2 h, % 2-3 h, % >3 h

Hunsberger et al. (2012)a [55]

IDEFICS

CS

0.86

8

12720

2-9y

47.7-51.4 %

1.2 – 30.8 % low edu. household

7.7 – 41.9 % over-weight

Parental questionnaire

% <1 h/day screen-time

Kovàcs et al. (2015) [56]

IDEFICS

CS

0.95

16

16228

2-9.9y

49.1 %

10.7 % low edu. level

Mean BMI z-score: 0.33

Parental questionnaire

% <1 h/day screen-time (pre-schoolers)

% <2 h/day screen-time (school children)

Mitchell et al. (2013) [ 57 ]

ISAAC

CS

0.86

6-7y: 6

6-7ys: 33901

6-7y and 13-14y

n.r.

n.r.

n.r.

Child questionnaire

h/day television viewing: % < 1 h, % 1-3 h, % 3-5 h, % > 5 h

13-14y: 7

13-14y: 61954

Katzmaryk et al. (2015)a [58]

ISCOLE

CS

0.95

3

1664

9-11y

53.8-55.9 %

n.r.

17.7-19.5 kg/m2

ActiGraph accelerometer

min/day sedentary time

LeBlanc et al. (2015) a [ 59 ]

ISCOLE

CS

0.95

3

1496

9-11y

53.1-57.2 %

21.1-73.2 % high par. edu.

24.3-45.7 % over-weight

ActiGraph accelerometer and child questionnaire

h/day sedentary time

h/day screen-time

% ≥ 2 h/day of screen-time

Klepp et al. (2007) a [ 60 ]

Pro Children

CS

1.00

9

12773

8.8-13.8y

49.8 %

71.6 - 82.1 % not in social class I-II

n.r.

Child questionnaire

h/day television viewing

te Velde et al. (2007) [ 61 ]

Pro Children

CS

0.95

9

12538

8.8-13.8y

50.1 %

n.r.

n.r.

Child questionnaire

% <2 h/day television viewing

% >1 h/day computer use

De Craemer et al. (2015) [ 62 ]

Toybox

CS

0.95

6

8117

3.5-5.5y

47 %

n.r.

n.r.

Parental questionnaire

min/weekday and weekend day television viewing, computer use, quiet play

% <1 h/day screen-time weekday and weekend day

van Stralen et al. (2012) a [ 63 ]

ToyBox

Pooled data (CS)

0.91

5

6097

4-7y

47.4 - 52.0 %

n.r.

15.9 – 16.8 kg/m2

Parental questionnaire

h/day television viewing, % ≥ 2 h/day of television viewing, h/day screen-time, min/day sedentary time (sedentary play-time + screen-time)

  1. COSI WHO European Childhood Obesity Surveillance Initiative, ENERGY EuropeaN Energy balance Research to prevent excessive weight Gain among Youth, EYHS European Youth Heart Study, HBSC Health Behaviour in School-aged Children, ICAD International Children’s Accelerometer Database, IDEFICS Identification and prevention of Dietary and lifestyle induced health Effects In Children and infantS, ISAAC International Study of Asthma and Allergies in Childhood, ISCOLE The International Study of Childhood Obesity, Lifestyle and the Environment, CS cross-sectional, LT longitudinal, n.r. not reported, SES socio-economic status, par. edu. parental education, inc. income, FAS Family Affluence Scale, FQ frequency question, aThese articles only presented stratified demographics, so the range is reported; articles in bold were included in Tables 2 and 3