1. Addy CL, Trilk JL, Dowda M, Byun W, Pate RR: Assessing Preschool Children’s Physical Activity: How Many Days of Accelerometry Measurement. Pediatric exercise science 26: 103-109 (2014)
2. Alfes J, Bucksch J, Aue K, Demetriou Y: Reduzierung von Sitzzeiten bei Kindern – ein systematisches Review. Bundesgesundheitsbl 59: 1443-1451 (2016)
3. Arundell L, Fletcher E, Salmon J, Veitch J, Hinkley T: A systematic review of the prevalence of sedentary behavior during the after-school period among children aged 5-18 years. The international journal of behavioral nutrition and physical activity 13: 93 (2016a)
4. Arundell L, Fletcher E, Salmon J, Veitch J, Hinkley T: The correlates of after-school sedentary behavior among children aged 5–18 years: a systematic review. BMC public health 16: 58 (2016b)
5. Atkin AJ, Gorely T, Clemes SA, Yates T, Edwardson C, Brage S, Salmon J, Marshall SJ, Biddle SJ: Methods of Measurement in epidemiology: Sedentary Behaviour.
International journal of epidemiology 41: 1460-1471 (2012)
6. Atkin A J, Foley L, Corder K, Ekelund U, van Sluijs, Esther MF: Determinants of Three-Year Change in Children’s Objectively Measured Sedentary Time. PloS one 11: e0167826 (2016)
7. Azevedo LB, van Sluijs EMF, Moore HJ, Hesketh K: Determinants of change in accelerometer-assessed sedentary behaviour in children 0 to 6 years of age: A systematic review. Obesity reviews 20: 1441-1464 (2019)
8. Bandura A. Social cognitive theory: an agentic perspective. Annu Rev Psychol 52:
1-26 (2001)
9. Bauman AE, Sallis JF, Dzewaltowski DA, Owen N: Toward a better understanding of the influences on physical activity: the role of determinants, correlates, causal variables, mediators, moderators, and confounders. Am J Prev Med 23: 5–14 (2002) 10. Biddle SJH, Gorely T, Marshall SJ: Is Television Viewing a Suitable Marker of
Sedentary Behavior in Young People? Ann Behav Med 38: 147-153 (2009)
11. Biddle SJH, Petrolini I, Pearson N. Interventions designed to reduce sedentary behaviours in young people: a review of reviews. Br J Sports Med 48: 182–186 (2014)
12. Biddle SJH, García Bengoechea E, Wiesner G: Sedentary behaviour and adiposity in youth: a systematic review of reviews and analysis of causality. The international journal of behavioral nutrition and physical activity 14: 43 (2017)
13. Blackburn NE, Wilson JJ, McMullan II, Caserotti P, Giné-Garriga M, Wirth K, Coll-Planas L, Alias SB, Roqué M, Deidda M, Kunzmann AT, Dallmeier D, Tully MA: The effectiveness and complexity of interventions targeting sedentary behaviour across the lifespan: a systematic review and meta-analysis. The international journal of behavioral nutrition and physical activity, 17: 53 (2020)
115 14. Brandstetter S, Klenk J, Berg S, Galm C, Fritz M, Peter R, Prokopchuk D, Steiner RP, Wartha O, Steinacker J, Wabitsch M: Overweight prevention implemented by primary school teachers. Obesity facts 5(1): 11-5 (2012)
15. Brauns H, Scherer S, Steinmann S: The CASMIN educational classification in international comparative research. In: Hoffmeyer-Zlotnik JHP, Wolf C, (Hrsg) Advances in cross-National Comparison: a European working book for demographic and socio-economic variables, Kluwer Academic/Plenum Publishers, S. 221–44 (2003)
16. Brown HE, Corder K, Atkin AJ, van Sluijs, Esther MF: Childhood predictors of adolescent behaviour: The prospective association of familial factors with meeting physical activity guidelines. Preventive medicine reports 6: 221-227 (2017)
17. Bucksch J, Dreger S: Sitzendes Verhalten als Risikofaktor im Kindes- und Jugendalter. Präv Gesundheitsf 9(1): 39-46 (2014)
18. Bucksch J, Inchley J, Hamrik Z, Finne E, Kolip P: Trends in television time, non-gaming PC use and moderate-to-vigorous physical activity among german adolescents 2002–2010. BMC public health 14(1): 351 (2014)
19. Bürgi F, Meyer U, Niederer I, Ebenegger V, Marques-Vidal P, Granacher U, Kriemler S, Puder JJ: Socio-cultural determinants of adiposity and physical activity in preschool children: A cross-sectional study. BMC public health 10: 733 (2010) 20. CamNtech Ltd: The Actiheart User Manual Version 4.0.35 (2010)
21. Carson V, Kuzik N, Hunter S, Wiebe SA, Spence JC, Friedman A, Tremblay MZ, Slater LG, Hinkley T: Systematic review of sedentary behavior and cognitive development in early childhood. Preventive medicine 78: 115-122 (2015)
22. Carson V, Hunter S, Kuzik N, Gray CE, Poitras VJ, Chaput JP, Saunders T J, Katzmarzyk PT, Okely A D, Connor Gorber S, Kho ME, Sampson M, Lee H, Tremblay MS: Systematic review of sedentary behaviour and health indicators in school-aged children and youth: an update. Appl Physiol Nutr Metab 41(6): 240-265 (2016)
23. Centre for Reviews and Dissemination: Systematic Reviews: CRD’s guidance for undertaking systematic reviews in health care. York: CRD, University of York (2009) 24. Chastin SF, Mandrichenko O, Skelton DA: The frequency of osteogenic activities and the pattern of intermittence between periods of physical activity and sedentary behaviour affects bone mineral content: the cross-sectional NHANES study. BMC public health 14: 4 (2014)
25. Chinapaw MJ, Proper KI, Brug J, van Mechelen W, Singh AS: Relationship between young peoples’ sedentary behaviour and biomedical health indicators: a systematic review of prospective studies. Obes Rev 12: e621–e632 (2011)
26. Collings PJ, Westgate K, Väistö JJ, Wijndaele K, Atkin AJ, Haapala EA, Lintu N, Laitinen T, Ekelund U, Brage S, Lakka TA: Cross-Sectional Associations of Objectively-Measured Physical Activity and Sedentary Time with Body Composition and Cardiorespiratory Fitness in Mid-Childhood: The PANIC Study. Springer Science and Business Media LLC (2017)
116 27. Cooper AR, Goodman A, Page AS, Sherar LB, Esliger DW, van Sluijs EM, Andersen LB, Anderssen S, Cardon G, Davey R, Froberg K, Hallal P, Janz KF, Kordas K, Kreimler S, Pate RR, Puder JJ, Reilly JJ, Salmon J, Sardinha LB, Timperio A, Ekelund U: Objectively measured physical activity and sedentary time in youth: the International children’s accelerometry database (ICAD). The international journal of behavioral nutrition and physical activity 12: 113 (2015)
28. Corder K, Brage S, Wareham NJ, Ekelund U: Comparison of PAEE from Combined and Separate Heart Rate and Movement Models in Children. Medicine and science in sports and exercise 37: 1761-1767 (2005)
29. Corder K, Brage S, Mattocks C, Ness A, Riddoch C, Wareham NJ, Ekelund U:
Comparison of Two Methods to Assess PAEE during Six Activities in Children.
Medicine and science in sports and exercise 39: 2180-2188 (2007)
30. Danielsen Y, Júlíusson P, Nordhus I, Kleiven M, Meltzer H, Olsson S, Pallesen S:
The relationship between life‐style and cardio‐metabolic risk indicators in children:
the importance of screen time. Acta Paediatrica 100: 253-259 (2011)
31. de Craemer M, Chastin S, Ahrens W, Bernaards C, Brug J, Buck C, Cardon G, Capranica L, Dargent-Molina P, de Lepeleere S, Hoffmann B, Kennedy A, Lakerveld J, Lien N, Ling F, Loyen A, Macdonncha C, Nazare J, O’Donoghue G, O’Gorman D, Perchoux C, Pigeot I, Simon C, Mueller-Stierlin AS, van der Ploeg H, van Cauwenberg J, Oppert J: Data on determinants are needed to curb the sedentary epidemic in europe. Lessons learnt from the dedipac european knowledge hub.
International journal of environmental research and public health 15: 1406 (2018) 32. Dreyhaupt J, Koch B, Wirt T, Schreiber A, Brandstetter S, Kesztyüs D, Wartha O,
Kobel S, Kettner S, Prokopchuk D, Hundsdörfer V, Klepsch M, Wiedom M, Sufeida S, Fischbach N, Muche R, Seufert T, Steinacker JM: Evaluation of a health promotion program in children: Study protocol and design of the cluster-randomized Baden-Württemberg primary school study [DRKS-ID: DRKS00000494]. BMC public health 12: 157 (2012)
33. Edelson LR, Mathias KC, Fulgoni 3, Victor L, Karagounis LG: Screen-based sedentary behavior and associations with functional strength in 6–15 year-old children in the United States. BMC public health 16: 116 (2016)
34. Ekelund U, Luan J, Sherar LB, Esliger DW, Griew P, Cooper A: Moderate to vigorous physical activity and sedentary time and cardiometabolic risk factors in children and adolescents. JAMA 307: 704–12 (2012)
35. Ergun G, Alkan A: The Social Media Disorder and Ostracism in Adolescents:
(OSTRACA- SM Study). The Eurasian journal of medicine 52: 139-144 (2020) 36. Erkelenz N, Kobel S, Kettner S, Drenowatz C, Steinacker JM: Parental Activity as
Influence on Children`s BMI Percentiles and Physical Activity. Journal of sports science & medicine 13: 645-650 (2014)
37. Evenson KR, Catellier DJ, Gill K, Ondrak KS, McMurray, RG: Calibration of two objective measures of physical activity for children. J Sports Sci 26: 1557–1565 (2008)
117 38. Feierabend S, Plankenhorn T: KIM-Studie 2016 Kindheit, Internet, Medien.
Basisuntersuchung zum Medienumgang 6- bis 13-Jähriger in Deutschland.
Stuttgart: Medienpädagogischer Forschungsverbund Südwest (mpfs) (2017) 39. Feierabend S, Rathgeb T, Reutter T: KIM-Studie 2018 Kindheit, Internet, Medien.
Basisuntersuchung zum Medienumgang 6- bis 13-Jähriger in Deutschland.
Stuttgart: Medienpädagogischer Forschungsverbund Südwest (mpfs) (2019)
40. Feierabend S, Rathgeb T, Reutter T: KIM-Studie 2019 Jugend, Information, Medien.
Basisuntersuchung zum Medienumgang 12- bis 19-Jähriger in Deutschland.
Stuttgart: Medienpädagogischer Forschungsverbund Südwest (mpfs) (2020) 41. Ferreira de Moraes AC, Guerra PH, Menezes PR: The worldwide prevalence of
insufficient physical activity in adolescents; a systematic review. Nutr Hosp 28(3):
575-584 (2013)
42. Finger JD, Varnaccia G, Borrmann A, Lange C, Mensink GBM: Körperliche Aktivität von Kindern und Jugendlichen in Deutschland – Querschnittergebnisse aus KiGGS Welle 2 und Trends. Journal of Health Monitoring 3(1): 23-29 (2018)
43. Ford C, Ward D, White M: Television viewing associated with adverse dietary outcomes in children ages 2-6. Obesity reviews 13: 1139-1147 (2012)
44. Fröberg A, Jonsson L, Berg C, Lindgren E, Korp P, Lindwall M, Raustorp A, Larsson C: Effects of an Empowerment-Based Health-Promotion School Intervention on Physical Activity and Sedentary Time among Adolescents in a Multicultural Area.
International journal of environmental research and public health 15: 2542 (2018) 45. Gabrys L, Thiel C, Tallner A, Wilms B, Müller C, Kahlert D, Jekauc D, Frick F, Schulz
H, Sprengeler O, Hey S, Kobel S, Vogt L: Akzelerometrie zur Erfassung körperlicher Aktivität. Sportwissenschaft 45: 1-9 (2015)
46. Gracia-Marco L, Rey-López JP, Santaliestra-Pasías AM, Jiménez-Pavón D, Díaz LE, Moreno LA, Vicente-Rodríguez G: Sedentary behaviours and its association with bone mass in adolescents: the HELENA cross-sectional study. BMC public health 12: 971 (2012)
47. Graf C, Ferrari N, Beneke R, Bloch W, Eiser S, Koch B, Lawrenz W, Krug S, Manz K, Oberhoffer R, Stibbe G, Woll A: Empfehlungen für körperliche Aktivität und Inaktivität von Kindern und Jugendlichen – Methodisches Vorgehen, Datenbasis und Begründung. Gesundheitswesen 79 (Suppl. 1): 11–19 (2017)
48. Griffiths LJ, Cortina-Borja M, Sera F, Pouliou T, Geraci M, Rich C, Cole TJ, Law C, Joshi H, Ness AR, Jebb SA, Dezateux C: How active are our children? Findings from the Millennium Cohort Study. BMJ open 3: e002893 (2013)
49. Griffiths LJ, Sera F, Cortina-Borja M, Law C, Ness A, Dezateux C: Objectively measured physical activity and sedentary time: cross-sectional and prospective associations with adiposity in the millennium cohort study. BMJ Open 6: e010366 (2016)
50. Hamilton MT, Owen N: Sedentary behavior and inactivity physiology. In: Bouchard C, Blair SN, Haskell W (Hrsg) Physical activity and health. Human Kinetics Champaign, S. 53–68 (2012)
118 51. Herman KM, Hopman WM, Sabiston CM: Physical activity, screen time and
self-rated health and mental health in Canadian adolescents. Prev Med 73C: 112–6 (2015)
52. Hinkley T, Salmon J, Okely AD, Trost SG: Correlates of sedentary behaviours in preschool children: a review. The international journal of behavioral nutrition and physical activity 7: 66 (2010)
53. Hirvensalo M, Lintunen T: Life-course perspective for physical activity and sports participation. Eur Rev Aging Phys Act 8: 13–22 (2011)
54. Hoffmann B, Kettner S, Wirt T, Wartha O, Hermeling L, Steinacker JM, Kobel S, Research Group “Join the Healthy Boat”: Sedentary time among primary school children in south-west Germany: amounts and correlates. Archives of Public Health 75: 63 (2017)
55. Hoffmann B, Kobel S, Wartha O, Kettner S, Dreyhaupt J, Steinacker JM: High sedentary time in children is not only due to screen media use: a cross-sectional study. BMC Pediatrics 19: 154 (2019)
56. Hoge E, Bickham D, Cantor J: Digital Media, Anxiety, and Depression in Children.
Pediatrics 140: 76-80 (2017)
57. Huber G, Köppel M: Analyse der Sitzzeiten von Kindern und Jugendlichen zwischen 4 und 20 Jahren. Deutsche Zeitschrift für Sportmedizin 2017: 101-106 (2017) 58. Ishii K, Shibata A, Adachi M, Mano Y, Oka K: School grade and sex differences in
domain-specific sedentary behaviors among Japanese elementary school children:
a cross-sectional study. BMC public health, 17: 318 (2017)
59. Jago R, Solomon-Moore E, Macdonald-Wallis C, Sebire SJ, Thompson JL, Lawlor DA: Change in children’s physical activity and sedentary time between Year 1 and Year 4 of primary school in the B-PROACT1V cohort. The international journal of behavioral nutrition and physical activity 14: 33 (2017)
60. Janssen I, LeBlanc AG: Systematic review of the health benefits of physical activity and fitness in school-aged children and youth. The international journal of behavioral nutrition and physical activity 7: 40 (2010)
61. Janssen X, Basterfield L, Parkinson KN, Pearce M, Reilly JK, Adamson AJ, Reilly JJ: Determinants of changes in sedentary time and breaks in sedentary time among 9 and 12 year old children. Preventive medicine reports 2: 880-885 (2015)
62. Katzmarzyk PT, Barreira TV, Broyles ST, Champagne CM, Chaput J, Fogelholm M, Hu G, Johnson WD, Kuriyan R, Kurpad A, Lambert EV, Maher C, Maia J, Matsudo V, Olds T, Onywera V, Sarmiento OL, Standage M, Tremblay MS, Tudor-Locke C, Zhao P, Church TS: Physical Activity, Sedentary Time, and Obesity in an International Sample of Children. Medicine and science in sports and exercise 47:
2062-2069 (2015)
63. Kesztyüs D, Lauer R, Kesztyüs T, Kilian R, Steinacker JM: Costs and effects of a state-wide health promotion program in primary schools in Germany – the Baden-Württemberg Study: A cluster-randomized, controlled trial. PloS one 12: e0172332 (2017)
119 64. Kettner S, Kobel S, Fischbach N, Drenowatz C, Dreyhaupt J, Wirt T, Koch B, Steinacker JM: Objectively determined physical activity levels of primary school children in south-west Germany. BMC public health 13: 895 (2013)
65. King AC, Whitt-Glover MC, Marquez DX, Buman MP, Napolitano MA, Jakicic J, Fulton JE, Tennant BL: Physical Activity Promotion. Medicine and science in sports and exercise 51: 1340-1353 (2019)
66. Kmet L, Lee RC, Cook LS: Standard quality assessment criteria for evaluating primary research papers from a variety of fields. Institute of Health Economics: 1–
31 (2004)
67. Kobel S, Wirt T, Schreiber S, Kesztyüs D, Kettner S, Erkelenz N, Wartha O, Steinacker JM: Intervention Effects of a School-Based Health Promotion Programme on Obesity Related Behavioural Outcomes. Journal of Obesity 2014 (2014)
68. Kobel S, Kettner S, Erkelenz N, Kesztyüs D, Steinacker JM: Effects of Physical Education on Objectively Determined Physical Activity in Primary School Children - Which Proportioning Is Best? Journal of teaching in physical education 34: 537-547 (2015a)
69. Kobel S, Kettner S, Erkelenz N, Kesztyüs D, Steinacker JM: Does a Higher Incidence of Break Times in Primary Schools Result in Children Being More Physically Active? The Journal of school health, 85: 149-154 (2015b)
70. Kobel S, Kettner S, Lämmle C, Steinacker J: Physical activity of German children during different segments of the school day. J Public Health 25: 29-35 (2016) 71. Kobel S, Lämmle C, Wartha O, Kesztyüs D, Wirt T, Steinacker JM: Effects of a
Randomised Controlled School-Based Health Promotion Intervention on Obesity Related Behavioural Outcomes of Children with Migration Background. J Immigrant Minority Health 19: 254-262 (2017)
72. Kobel S, Wartha O, Lämmle C, Dreyhaupt J, Steinacker JM: Intervention effects of a kindergarten-based health promotion programme on obesity related behavioural outcomes and BMI percentiles. Preventive medicine reports 15: 100931 (2019) 73. Kobel S, Dreyhaupt J, Wartha O, Kettner S, Hoffmann B, Steinacker JM: Intervention
Effects of the Health Promotion Programme “Join the Healthy Boat” on Objectively Assessed Sedentary Time in Primary School Children in Germany. International journal of environmental research and public health 17: 9029 (2020)
74. Konferenz der Kultusminister der Länder in der Bundesrepublik Deutschland:
Wochenpflichtstunden der Schülerinnen und Schüler im Schuljahr 2013/2014. IVC DS 15: 1932-5 (2013)
75. Kriska A, Delahanty L, Edelstein S, Scm, Amodei N, Chadwick J, Copeland K, Galvin B, El L, Haymond M, Kelsey M, Lassiter C, Mayer-Davis E, Milaszewski K, Syme A:
Sedentary Behavior and Physical Activity in Youth With Recent Onset of Type 2 Diabetes. Pediatrics 131: e850-e856 (2013)
76. Kromeyer-Hauschild K, Wabitsch M, Kunze D, Geller F, Geiß HC, Hesse V, von Hippel A, Jaeger U, Johnsen D, Korte W, Menner K, Müller G, Müller J M,
Niemann-120 Pilatus A, Remer T, Schaefer F, Wittchen H, Zabransky S, Zellner K, Ziegler A, Hebebrand J: Perzentile für den Body-mass-Index für das Kindes- und Jugendalter unter Heranziehung verschiedener deutscher Stichproben. Monatsschr Kinderheilkd 149: 807-818 (2001)
77. Krug S, Finger JD, Lange C, Richter A, Mensink GBM: Sport- und Ernährungsverhalten bei Kindern und Jugendlichen in Deutschland – Querschnittergebnisse aus KiGGS Welle 2 und Trends. Journal of Health Monitoring 3(2): 3-22 (2018)
78. Kurth B: Der Kinder- und Jugendgesundheitssurvey (KiGGS): Ein Überblick über Planung, Durchführung und Ergebnisse unter Berücksichtigung von Aspekten eines Qualitätsmanagements. Bundesgesundheitsbl 50: 533-546 (2007)
79. Kurth B, Schaffrath Rosario A: Übergewicht und Adipositas bei Kindern und Jugendlichen in Deutschland. Bundesgesundheitsbl 53: 643-652 (2010)
80. Labree W, Lötters F, van de Mheen D, Rutten F, Rivera Chavarría A, Neve M, Rodenburg G, Machielsen H, Koopmans G, Foets M: Physical activity differences between children from migrant and native origin. BMC public health 14: 819 (2014) 81. Lämmle C, Kobel S, Wartha O, Wirt T, Steinacker JM: Intervention effects of a
school-based health promotion program on children’s motor skills. J Public Health 24: 185-192 (2016)
82. Lämmle C, Wartha O, Kobel S, Wirt T, Kelso A, Kutzner C, Steinacker JM:
Intervention effects of the school-based health promotion program „Join the Healthy Boat“ on motor abilities of children with migration background. Health 9: 520-533 (2017)
83. Lampert T, Sygusch R, Schlack R: Nutzung elektronischer Medien im Jugendalter.
Bundesgesundheitsbl 50: 643–652 (2007)
84. LeBlanc AG, Spence JC, Carson V, Connor Gorber S, Dillman C, Janssen I, Kho ME, Stearns JA, Timmons BW, Tremblay MS: Systematic review of sedentary behaviour and health indicators in the early years (aged 0–4 years). Applied Physiology, Nutrition, and Metabolism 37: 753-772 (2012)
85. Lechert Y, Schroedter J, Lüttinger P: Die Umsetzung der Bildungsklassifikation CASMIN für die Volkszählung 1970, die Mikrozensus-Zusatzerhebung 1971 und die Mikrozensen 1976-2004. ZUMA Methodenbericht 12 (2006)
86. Lee S, Wong J, Shanita S, Ismail M, Deurenberg P, Poh B: Daily Physical Activity and Screen Time, but Not Other Sedentary Activities, Are Associated with Measures of Obesity during Childhood. International journal of environmental research and public health 12: 146-161 (2014)
87. Leech RM, McNaughton SA, Timperio A: The clustering of diet, physical activity and sedentary behavior in children and adolescents: a review. The international journal of behavioral nutrition and physical activity 11: 4 (2014)
88. Lin L, Cherng R, Chen Y, Chen Y, Yang H: Effects of television exposure on developmental skills among young children. Infant behavior & development 38: 20-26 (2015)
121 89. Liu M, Wu L, Yao S: Dose–response association of screen time-based sedentary behaviour in children and adolescents and depression: a meta-analysis of observational studies. British journal of sports medicine 50: 1252-1258 (2016) 90. Lou D: Sedentary Behaviors and Youth: Current Trends and the Impact on Health.
Active living research San Diego (2014)
91. Mann KD, Howe LD, Basterfield L, Parkinson KN, Pearce MS, Reilly JK, Adamson AJ, Reilly JJ, Janssen X: Longitudinal study of the associations between change in sedentary behavior and change in adiposity during childhood and adolescence:
Gateshead Millennium Study. International journal of obesity 41: 1042-1047 (2017) 92. Mantjes JA, Jones AP, Corder K, Jones NR, Harrison F, Griffin SJ, Joyce A, Harrison
F, Griffin SJ, van Sluijs EMF: School related factors and 1 yr change in physical activity amongst 9–11 year old English schoolchildren. Int J Behav Nutr Phys Act 9:153 (2012)
93. Matthews CE, Chen KY, Freedson PS, Buchowski MS, Beech BM, Pate RR, Troiano RP: Amount of time spent in sedentary behaviors in the United States, 2003–2004.
Am J Epidemiol 167(7): 875–881 (2008)
94. Maurer JT, Weeß H-G, Schedl M: Physiologische Grundlagen des normalen und gestörten Schlafes. In: Stuck BA, Maurer JT, Schedl M, Weeß H-G: Praxis der Schlafmedizin. Schlafstörungen bei Erwachsenen und Kindern Diagnostik, Differenzialdiagnostik und Therapie, Springer-Verlag Berlin Heidelberg, S. 1-20 (2013)
95. Mikolajczyk RT, Richter M: Associations of behavioural, psychosocial and socioeconomic factors with over- and underweight among German adolescents. Int J Public Health 53(4): 214–20 (2008)
96. Ministerium für Kultus, Jugend und Sport Baden-Württemberg (MKJS):
Kontingentstundentafel Grundschule. 2004. http://www.km-bw.de/Lde/Startseite/Schule/Kontingentstundentafel+Grundschule. Letzter Zugriff:
29.04.2020.
97. Ministerium für Kultus, Jugend und Sport Baden-Württemberg (MKJS):
Kontingentstundentafel Realschule 2016. https://km-bw.de/,Lde/Startseite/Schule/Kontingentstundentafel+zum+Bildungsplan+2016+R S. Letzter Zugriff: 29.04.2020.
98. Mitchell JA, Pate RR, Dowda M, Mattocks C, Riddoch C, Ness AR, Blair SN: A prospective study of sedentary behavior in a large cohort of youth. Med Sci Sports Exerc 44(6): 1081–1087 (2012)
99. Mitchell JA, Byun W: Sedentary Behavior and Health Outcomes in Children and Adolescents. Am J Lifestyle Med 8(3): 173-199 (2014)
100. Mooses K, Mägi K, Riso E, Kalma M, Kaasik P, Kull M: Objectively measured sedentary behaviour and moderate and vigorous physical activity in different school subjects: a cross-sectional study. BMC public health 17: 108 (2017)
101. Nilsson A, Anderssen SA, Andersen LB, Froberg K, Riddoch C, Sardinha L B, Ekelund U: Between- and within-day variability in physical activity and inactivity in 9-
122 and 15-year-old European children. Scandinavian journal of medicine & science in sports 19: 10-18 (2008)
102. Owen N, Healy GN, Matthews CE, Dunstan DW: Too Much Sitting. Exercise and sport sciences reviews 38: 105-113 (2010)
103. Owen N, Sugiyama T, Eakin EE, Gardiner PA, Tremblay MS, Sallis JF. Adults’
sedentary behavior determinants and interventions. Am J Prev Med 41: 189–96 (2011)
104. Pate RR, O’Neill JR, Lobelo F: The evolving definition of “sedentary”. Exerc Sport Sci 36(4): 173–8 (2008)
105. Patterson R, McNamara E, Tainio M, de Sá TH, Smith AD, Sharp SJ, Edwards P, Woodcock J, Brage S, Wijndaele K: Sedentary behaviour and risk of all-cause, cardiovascular and cancer mortality, and incident type 2 diabetes: a systematic review and dose response meta-analysis. Eur J Epidemiol 33: 811-829 (2018) 106. Primack BA, Shensa A, Sidani JE, Whaite EO, Lin LY, Rosen D, Colditz JB, Radovic
A, Miller E: Social Media Use and Perceived Social Isolation Among Young Adults in the U.S. AJPM 53(1): 1-8 (2017)
107. Puyau MR, Adolph AL, Liu Y, Wilson TA, Zakeri IF, Butte NF: Energy Cost of Activities in Preschool-Aged Children. Journal of Physical Activity and Health 13(Suppl 1): 11–16 (2016)
108. Ruiz JR, Ortega FB, Martinez-Gomez D, Labayen I, Moreno LA, De Bourdeaudhuij I, Manios Y, Gonzalez-Gross M, Mauro B, Molnar D, Widhalm K, Marcos A, Beghin L, Castillo MJ, Sjostrom M: Objectively Measured Physical Activity and Sedentary Time in European Adolescents: The HELENA Study. American journal of epidemiology 174: 173-184 (2011)
109. Rütten A, Pfeifer K: Nationale Empfehlungen für Bewegung und Bewegungsförderung. Gesundheitswesen 79(1): 2-3 (2016)
110. Saint-Maurice PF, Kim Y, Welk GJ, Gaesser GA: Kids are not little adults: what MET threshold captures sedentary behavior in children? Eur J Appl Physiol 116: 29-38 (2015)
111. Sallis JF, Prochaska JJ, Taylor WC: A review of correlates of physical activity of children and adolescents. Med Sci Sports Exerc 32: 963–75 (2000)
112. Sallis JF, Owen N, Fisher EB: Ecological models of health behavior. In: Glanz K, Rimer BK, Viswanath K (Hrsg). Health behavior and health education. Theory, research, and practice, 4. Aufl., Jossey-Bass San Francisco, S.465–86 (2008) 113. Salmon J, Tremblay MS, Marshall SJ, Hume C: Health Risks, Correlates, and
Interventions to Reduce Sedentary Behavior in Young People. American journal of preventive medicine 41: 197-206 (2011)
114. Sandercock GRH, Alibrahim M, Bellamy M: Media device ownership and media use:
Associations with sedentary time, physical activity and fitness in English youth.
Preventive medicine reports 4: 162-168 (2016)
115. Santaliestra-Pasías AM, Mouratidou T, Verbestel V, Bammann K, Molnar D, Sieri S, Siani A, Veidebaum T, Mårild S, Lissner L, Hadjigeorgiou C, Reisch L, De
123 Bourdeaudhuij I, Moreno LA: Physical activity and sedentary behaviour in European children: the IDEFICS study. Public health nutrition 17: 2295-2306 (2014)
116. Sasaki JE, Howe CA, John D, Hickey A, Steeves J, Conger S, Lyden K,
116. Sasaki JE, Howe CA, John D, Hickey A, Steeves J, Conger S, Lyden K,