scholarly journals Impaired vision and physical activity in childhood and adolescence: findings from the Millennium Cohort Study

2021 ◽  
pp. bjophthalmol-2021-320315
Author(s):  
Lisanne Andra Horvat-Gitsels ◽  
Mario Cortina-Borja ◽  
Ameenat Lola Solebo ◽  
Jugnoo Sangeeta Rahi
Keyword(s):  
Physical Activity ◽  
Cohort Study ◽  
Vigorous Physical Activity ◽  
Childhood And Adolescence ◽  
Millennium Cohort Study ◽  
Impaired Vision ◽  
Age Related ◽  
High Participation ◽  
The Uk ◽  
Recommended Level

Background/aimsInvestigate if impaired vision is associated with reduced levels and differences in types of physical activity (PA) to identify barriers or enablers to achieving healthy PA levels.MethodsData from the Millennium Cohort Study of children born in the UK in 2000–2001 and followed-up to age 14 years (n=11 571). Using parental report on eye conditions coded by clinicians, children were categorised as having no, unilateral or bilateral impaired vision. Outcomes included objective accelerometer-derived time spent in moderate-to-vigorous physical activity (MVPA), and 16 PA types reported by parents, teachers and/or participants, covering physical education (PE), organised sports, self-organised sports and hobbies.ResultsOverall, 50% of 7-year-olds and subsequently 41% as 14-year-olds achieved the internationally recommended level of ≥60 MVPA min/day, irrespective of vision status, and mainly attributable to PE and organised sports. Bilateral impaired vision (vs none) was associated with parent-reported difficulties with PE (adjusted OR, 4.67; 95% CI, 2.31 to 9.41), self-rated poor ability in PE (3.21; 1.44 to 7.15) and not enjoy indoor PA (0.48; 0.26 to 0.88). Unilateral impaired vision was associated with both parent-rated difficulties (1.80; 1.26 to 2.59) and teachers’ perception of low ability in PE (2.27; 1.57 to 3.28), and reduced odds of high participation in organised sports (0.77; 0.59 to 0.99). Age-related trajectories showed suboptimal PA in childhood tracked into adolescence, with no difference by vision status.ConclusionPopulation-wide programmes to increase PA levels in children should pay special attention to those with impaired vision and include early interventions to encourage participation and confidence in PE and organised sports, starting in primary school and maintained afterwards.

scholarly journals Change in device-measured physical activity assessed in childhood and adolescence in relation to depressive symptoms: a general population-based cohort study

2020 ◽  
Vol 74 (4) ◽  
pp. 330-335 ◽  
Author(s):  
Mark Hamer ◽  
Praveetha Patalay ◽  
Steven Bell ◽  
G David Batty
Keyword(s):  
Physical Activity ◽  
Cohort Study ◽  
Depressive Symptoms ◽  
Population Based ◽  
Childhood And Adolescence ◽  
Vigorous Activity ◽  
Current Recommendation ◽  
Baseline Activity ◽  
The Uk

AimEvidence for a link between physical activity and mental health in young people is hampered by methodological shortcomings. Using repeat assessments of device-measured physical activity, we examined the association of within-individual variation in free-living activity over 7 years with depressive symptoms.MethodsThis was a prospective cohort study of a nationally representative sample of children born in the UK (n=4898). Physical activity was quantified using accelerometry at ages 7 and 14. The main outcome was depressive symptoms, based on the Short Mood and Feelings Questionnaire, assessed at age 14.ResultsAfter adjustment for socioeconomic status, body mass index and psychological problems at baseline, a higher level of light-intensity activity at age 7 in girls was associated with a lower likelihood of having depressive symptoms at follow-up (OR, 0.79; 95% CI 0.61 to 1.00), although no associations were observed for moderate to vigorous activity or sedentary behaviour. Girls who transitioned from low baseline activity to higher levels at follow-up experienced a lower risk of depressive symptoms (OR, 0.60; 95% CI 0.39 to 0.92) compared with the inactive reference category. Null associations were observed in boys. Participants who consistently met the current recommendation of 60 min/day of moderate to vigorous activity both at 7 and 14 years of age experienced the lowest risk of depressive symptoms (OR, 0.55; 95% CI 0.34 to 0.88).ConclusionTo prevent depressive symptoms in adolescence, policies to increase physical activity from mid-childhood may have utility.

scholarly journals Timing of the decline in physical activity in childhood and adolescence: Gateshead Millennium Cohort Study

2017 ◽  
Vol 52 (15) ◽  
pp. 1002-1006 ◽  
Author(s):  
Mohammed Abdulaziz Farooq ◽  
Kathryn N Parkinson ◽  
Ashley J Adamson ◽  
Mark S Pearce ◽  
Jessica K Reilly ◽  
...  
Keyword(s):  
Physical Activity ◽  
Cohort Study ◽  
Childhood And Adolescence ◽  
Activity Data ◽  
Time Points ◽  
North East ◽  
Age Related ◽  
Intensity Physical Activity ◽  
Future Policy

Background and aimThere is a widely held and influential view that physical activity begins to decline at adolescence. This study aimed to identify the timing of changes in physical activity during childhood and adolescence.MethodsLongitudinal cohort study (Gateshead Millennium Study) with 8 years of follow-up, from North-East England. Cohort members comprise a socioeconomically representative sample studied at ages 7, 9, 12 and 15 years; 545 individuals provided physical activity data at two or more time points. Habitual total volume of physical activity and moderate-to-vigorous intensity physical activity (MVPA) were quantified objectively using the Actigraph accelerometer over 5–7 days at the four time points. Linear mixed models identified the timing of changes in physical activity across the 8-year period, and trajectory analysis was used to identify subgroups with distinct patterns of age-related changes.ResultsFour trajectories of change in total volume of physical activity were identified representing 100% of all participants: all trajectories declined from age 7 years. There was no evidence that physical activity decline began at adolescence, or that adolescent declines in physical activity were substantially greater than the declines during childhood, or greater in girls than boys. One group (19% of boys) had relatively high MVPA which remained stable between ages 7 and15 years.ConclusionsFuture policy and research efforts to promote physical activity should begin well before adolescence, and should include both boys and girls.

scholarly journals Associations between objectively measured physical activity and later mental health outcomes in children: findings from the UK Millennium Cohort Study

2017 ◽  
Vol 72 (2) ◽  
pp. 94-100 ◽  
Author(s):  
Jane V Ahn ◽  
Francesco Sera ◽  
Steven Cummins ◽  
Eirini Flouri
Keyword(s):  
Mental Health ◽  
Physical Activity ◽  
Cohort Study ◽  
Sedentary Time ◽  
Accelerometer Data ◽  
Millennium Cohort Study ◽  
Peer Problems ◽  
Uk Millennium Cohort Study ◽  
The Uk ◽  
Objectively Measured

BackgroundThe beneficial effect of physical activity (PA) on mental health in adults is well established, but less is known about this relationship in children. We examine associations between objectively measured sedentary time, PA and mental health in 11-year-olds from the UK Millennium Cohort Study (MCS).MethodsLongitudinal data from MCS sweeps 4 (age 7) and 5 (age 11) were used (n=6153). Accelerometer data were collected at MCS4, and mental health was measured at MCS4 and MCS5 using subscales (peer, emotional, conduct, hyperactivity) of the Strengths and Difficulties Questionnaire (SDQ). Associations between mean daily PA minutes at different intensities (sedentary, light, moderate-to-vigorous) at MCS4 and SDQ outcomes at MCS5 (score range 0–10) were estimated using multiple linear regression models, adjusting for SDQ at MCS4 and individual and family characteristics, and stratified by gender.ResultsIn fully adjusted models, increased PA at MCS4 was associated with fewer peer problems in boys and girls at MCS5. For each additional 15 min in moderate-to-vigorous physical activity (MVPA), peer problems decreased −0.077 points (95% CI −0.133 to –0.022) in boys. For girls, light PA was associated with decreased peer problems (−0.071 points/30 min, 95% CI −0.130 to –0.013). Greater sedentary time was associated with more peer problems and fewer hyperactivity symptoms in boys and girls. Increased MVPA was associated with more conduct and hyperactivity problems in boys and more hyperactivity in girls.ConclusionsIncreased sedentary time is associated with more peer problems in children, and PA, generally, is beneficial for peer relations in children aged 11.

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