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. 2021 Oct 27;18(21):11286. doi: 10.3390/ijerph182111286

Table 1.

Data extraction of studies measuring sedentary time and/or behaviour during COVID-19 in children.

Author Population Country Restrictions Sedentary Behaviour Measurement Health Outcome Measures Key Findings
Kang et al. [20] 4898 adolescents 16.3 ± 1.3 years China School closures and social distancing IPAQ-Short Form Mood (Anger, Tension, Fatigue, Depression, Confusion, Self-esteem and Vigor) Sedentary time totaled 363.6 ± 148.4 min day−1
No sig. correlation between sedentary time and any mood during COVID restrictions
Lu et al. [21] 965 adolescents
15.3 ± 0.5 years
China Social distancing and lockdown/homestay requirements IPAQ-Short Form Mental Health outcomes including Insomnia, Depression and Anxiety 54% adolescents sedentary for ≥ 4 h day−1
Sedentary time associated with higher odds of experiencing insomnia (OR: 1.60), depression (OR: 1.57) and anxiety (OR: 1.35) during lockdown
Garcia et al. [27] 11 adolescents with Autism 16.9 ± 1.4 years Florida, USA Lockdown/Homestay requirements IPAQ Short Form - Number of days where participants met the PA guidelines ↓ from 4.2 ± 1.5 days to 2.3 ± 2.2 days
Screen time ↑ by 2.6 h⋅day−1 during the week and +1.4 h⋅day−1 on the weekend
Sciberras et al. [28] 213 children with ADHD
11.0 ± 3.9 years
Australia Social distancing and lockdown/homestay requirements CoRonavIruS Health Impact Survey (CRISIS) - Number of children reporting watching TV, social media, and gaming for >1 h⋅day−1 increased by 10.2%, 10.8% and 16.9%, respectively
Pietrobelli et al. [29] 44 obese children
13.0 ± 3.1 years
Italy Lockdown/homestay requirements Two different interview techniques Screen time ↑ by 4.9 ± 2.4 h⋅day−1 during the lockdown to 7.6 ± 2.1 h⋅day−1
Lopez-Beuno et al. [30] 860 children 9.6 ± 3.9 years Spain Social distancing, quarantine, and lockdown/homestay requirements Adapted pre-existing questionnaires - Daily screen time ↑ 2.9 ± 2.3 h⋅day−1
No significant sex differences in screen time
Medrano et al. [31] 291 children (113 longitudinal) 12.1 ± 2.6 years Spain Social distancing and lockdown/homestay requirements Youth PA (YPA) questionnaire - Screen time ↑ 1.9 ± 2.6 h day−1 to 6.4 ± 2.4 h day−1
Screen time higher in families of non-Spanish origin and lower education level
Palladino et al. [32] 57 children 8.0 ± 1.6 years Italy Lockdown/stay at home orders Questionnaires to assess total screen time Likelihood of having a seizure Daily screen time ↑ from 2.5–5.8 h day−1 from pre-COVID to circa-COVID
Sig. correlation between screen time and seizures for epileptic patients (r2 = 0.52) and those with no prior history of seizures (r2 = 0.57)
Dutta et al. [33] 153 participants
No overall demographics reported
India Lockdown/homestay requirements Parenting practice scale (PPS) - Number of youth reporting using phones, watching TV, Laptops and Tablets from 4–8 h⋅day−1 increased by 8.7%, 5.7%, 2.8% and 0%, respectively
Eyimaya and Irmak [34] 1115 participants 9.0 ± 2.0 years Turkey Lockdown/homestay requirements IPAQ long-form 71.7% parents reported an ↑ screen time of approximately 6.4 ± 3.0 h⋅day−1
Munasinghe et al. [35] 582 adolescents
17.0 ± 1.0 years
Australia Social distancing, school closures and lockdown/homestay requirements
PACE + Adolescent Physical Activity Measures - 41.5% were on social media for ≥ 4 h day−1
55.1% watched TV for ≥ 1 h⋅day−1
Carroll et al. [36] 310 participants
5.7 ± 2.0 years
Canada School closures, closure of parks, and social distancing IPAQ Short Form - Screen time = 2.4 ± 1.6 h⋅day−1
McCormack et al. [37] 345 parents 10.8 ± 4.0 years Canada Social distancing and quarantine measures Parental recall of child’s PA and sedentary time Parental COVID anxiety Majority of children spent ≥ 2 h day−1 watching TV (74.1%), using a computer (63.7%), and using screen-based devices (60.7%)
Children of highly anxious parents more likely to be sedentary (OR: 1.78; 1.02–3.11)
Schmidt et al. [38] 1174 children No overall demographics reported Germany Social distancing and lockdown/homestay requirements Subjective recall questions - 4–5 year olds screen time ↑ 41.1 min day−1
6–10 year olds screen time ↑ 67.5 min day−1
11–13 year olds screen time ↑ 60.7 min day−1
14–17 year olds screen time ↑ 67.8 min day−1
Dunton et al. [39] 211 children 8.7 ± 2.6 years United States Closure of schools, parks, and sports cancelled Social Distancing Recall questionnaires used to estimate screen time - Boys TV time 95.7 ± 68.7 min day−1 vs. girls 113.0 ± 79.6 min day−1
Media time for leisure use: boys 30.2 ± 53.4 min day−1 vs. girls 46.4 ± 68.0 min day−1
Children engaged in > 8 h⋅day−1 in leisure-related sitting
Mitra et al. [40] 1472 participants
No overall demographics reported
Canada Social distancing and lockdown/homestay requirements Online questionnaires—limited details on specifics - 78.8% of children reported an increase in screen time
44.6% reported an increase in social media use
48.6% reported an increase in ‘non-screen based’ sedentary behaviour
Moore et al. [41] 1472 children and adolescents
Children: 8.1 ± 2.0 years
Youth: 14.9 ± 1.7 years
Canada Social distancing and lockdown/homestay requirements participACTION survey - Screen time (children)—4.1 h day−1
Screen time (youth)—5.0 h day−1
Francisco et al. [42] 1480 children
9.1 ± 4.3 years
Multinational (Italy, Spain and Portugal) Social distancing and lockdown/homestay requirements IPAQ and the adult sedentary behaviour questionnaire (ASBQ) - Number of children reported to engage in >180 min⋅day−1 of screen time ↑ 26.6%

ADHD = Attention Deficit Hyperactivity Disorder, CI = Confidence Intervals, COVID-19 = novel coronavirus disease 2019, IPAQ = International Physical Activity Questionnaire, OR = Odds Ratio, PA = Physical Activity, SB = Sedentary Behaviour, ST = Sedentary Time, TV = Television.