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ToolsVan Sluijs, Esther M. F., Ekelund, Ulf, Hallal, Pedro C., Hansen, Bjorge H., Panter, Jenna, Salmon, Jo, Sharp, Stephen J., Sherar, Lauren B. and Atkin, Andrew J. and on behalf of the International Children’s Accelerometry Database (ICAD) Collaborators (2024) Family car ownership: Driving inactivity in young people? Cross-sectional and longitudinal analyses in the international children's accelerometry database. Journal of Physical Activity and Health, 21 (12). pp. 1391-1400. ISSN 1543-3080
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Abstract
Background: Ubiquitous car ownership may affect children’s activity and health. We assessed the cross-sectional and longitudinal associations between household car ownership and children’s daily time spent sedentary (SED) and in moderate to vigorous physical activity (MVPA). Methods: Pooled cohort data were from the International Children’s Accelerometry Database. Outcome measures were average daily accelerometer-measured SED and MVPA (in minutes per day). Exposures were household car ownership (none, 1, and ≥2) and change in car ownership. Associations were examined using multivariable mixed-effects linear regression. Results: Mean age of participants (N = 4193) was 10.4 years (SD = 2.0), 53.4% were girls, and mean follow-up duration (N = 1333) was 3.3 years (SD = 1.1). Cross-sectionally, household car ownership was associated with higher SED (vs none: 1 car: β = 14.1 min/d, 95% CI, 6.7–21.5; ≥2 cars: 12.8, 95% CI, 5.3–20.4) and lower MVPA (vs none: 1 car: β = –8.8, 95% CI, −11.9 to −5.7; ≥2 cars: β = –8.8, 95% CI, −12.0 to −5.7). Associations were stronger in boys than girls and in children from lower socioeconomic backgrounds (SED only). Prospectively, there were no associations with increased car ownership. Reductions in household car ownership (of which 93.1% had ≥ 2 cars at baseline) were associated with a greater reduction in MVPA (vs no change: β = −8.4, 95% CI, −13.9 to −3.0) but not SED. Conclusions: Children in households with car access were more SED and less active than those without. Losing access to a second car was associated with greater decreases in MVPA, potentially related to losing access to activity-enabling environments. Reducing car access and use are important public health targets (eg, reducing air pollution), but their potential impact on children’s activity opportunities should be mitigated.
| Item Type: | Article |
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| Additional Information: | Funding: The ICAD data pooling project and SPEEDY study were funded through grants from the National Prevention Research Initiative (Grant Numbers: G0501294; G0701877; http://www.mrc.ac.uk/research/initiatives/national-prevention-research-initiative-npri/). The funding partners relevant to this award are: British Heart Foundation; Cancer Research UK; Department of Health; Diabetes UK; Economic and Social Research Council; Medical Research Council; Research and Development Office for the Northern Ireland Health and Social Services; Chief Scientist Office; Scottish Executive Health Department; the Stroke Association; Welsh Assembly Government; and World Cancer Research Fund. The CLAN study was supported by grants from the Financial Markets Foundation for Children and the National Health and Medical Research Council (NHMRC, ID: 274309 and 374241). HEAPS was funded by the Victorian Health Promotion Foundation (baseline) and Australian Research Council (follow-ups; DP 0664206). This work was additionally supported by the Medical Research Council [MC_UU_12015/3; MC_UU_12015/6; MC_UU_12015/7; MC_UU_00006/5], the Research Council of Norway (249932/F20), Bristol University, Loughborough University, and Norwegian School of Sport Sciences. Data are available upon reasonable request: The original data request and prespecified analysis plan are available upon reasonable request (please contact lead author). The data cannot be made openly available because of ethical and legal considerations. Nonidentifiable data can be made available to bona fide researchers on submission of a reasonable request, following standard ICAD data request procedures (see for information: http://www.mrc-epid.cam.ac.uk/research/studies/icad/). The principles and processes for accessing and sharing data are outlined in the MRC Epidemiology Unit Data Access and Data Sharing Policy. |
| Uncontrolled Keywords: | active travel,children and adolescents,climate change,epidemiology,epidemiology,orthopedics and sports medicine,physical therapy, sports therapy and rehabilitation,public health, environmental and occupational health,sdg 3 - good health and well-being,sdg 13 - climate action ,/dk/atira/pure/subjectarea/asjc/2700/2713 |
| Faculty \ School: | Faculty of Medicine and Health Sciences > School of Health Sciences |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 27 Feb 2025 12:30 |
| Last Modified: | 08 Mar 2025 01:10 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/98617 |
| DOI: | 10.1123/jpah.2024-0044 |
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