Dataset Information

Associations between television watching and car riding behaviors and development of depressive symptoms: a prospective study.

ABSTRACT: To examine the longitudinal association between sedentary behaviors and risk of development of depressive symptoms.The study population consisted of 4802 participants in the Aerobics Center Longitudinal Study (1012 women and 3790 men) aged 18 to 80 years who did not report depressive moods when they completed a health survey during 1982 in which they reported their time spent watching television (TV) and riding in a car each week. All participants completed a follow-up health survey when they responded to the 10-item Center for Epidemiologic Studies Depression Scale. Those who scored 8 or more on the Center for Epidemiologic Studies Depression Scale were considered to have depressive symptoms.Among the 4802 participants, 568 reported depressive symptoms during a mean follow-up of 9.3 years. After multivariate adjustment including moderate- and vigorous-intensity physical activity, time riding in a car, time watching TV, and combined time spent in the 2 sedentary behaviors were positively associated with depressive symptoms (each P<.05 for trend). Individuals who reported 9 h/wk or more riding in a car, more than 10 h/wk watching TV, or 19 h/wk or more of combined sedentary behavior had 28%, 52%, and 74% greater risk of development of depressive symptoms than those who reported less than 5 h/wk, less than 5 h/wk, or less than 12 h/wk, respectively, after adjusting for baseline covariates and moderate- and vigorous-intensity physical activity. The positive association between time riding in a car or time watching TV and depressive symptoms was only observed among individuals who did not meet the current physical activity guidelines.More time reported in these 2 sedentary behaviors was positively associated with depressive symptoms. However, the direct associations between time spent in car riding and TV viewing and depressive symptoms were only significant among those who did not meet the current physical activity recommendations.

SUBMITTER: Sui X

PROVIDER: S-EPMC4350459 | biostudies-literature | 2015 Feb

REPOSITORIES: biostudies-literature

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Associations between television watching and car riding behaviors and development of depressive symptoms: a prospective study.

Sui Xuemei X Brown Wendy J WJ Lavie Carl J CJ West Delia S DS Pate Russel R RR Payne Jonathan P W JP Blair Steven N SN

Mayo Clinic proceedings 20150201 2

<h4>Objective</h4>To examine the longitudinal association between sedentary behaviors and risk of development of depressive symptoms.<h4>Patients and methods</h4>The study population consisted of 4802 participants in the Aerobics Center Longitudinal Study (1012 women and 3790 men) aged 18 to 80 years who did not report depressive moods when they completed a health survey during 1982 in which they reported their time spent watching television (TV) and riding in a car each week. All participants c ...[more]

PMID: 25659236

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Project description:BackgroundTelevision (TV) watching at family meals has been associated with poorer dietary quality and weight outcomes in children. Most research has been limited to family meals, overlooking the influence of TV at any meal.ObjectiveThis study assesses how often children are eating meals at home while watching TV, the association between child dietary intake while watching TV during meals eaten at home and whether the association depends on meal type (eg, breakfast) or child race/ethnicity, and whether the number of meals consumed while watching TV at home is associated with overall child dietary quality or weight status.DesignThe Family Matters study utilized a cross-sectional design and was conducted between 2015 and 2016.Participants/settingThree 24-hour dietary recalls were conducted on children aged 5 to 7 years (n=150; 25 each from non-Hispanic white, African American, Latino, Native American, Somali, and Hmong households).Main outcome measuresMain outcomes of this study were dietary intake at meals, overall dietary quality, and child weight status.Statistical analysis performedConditional fixed effects estimators were used to address correlated error terms to model within-person variation between TV and dietary intake and race/ethnicity differences in child dietary outcomes.ResultsTV was watched during 30% of meals eaten at home, which differed significantly by race/ethnicity (P<0.001). Although effect sizes were small, TV watching at meals was associated with unhealthier intake of some foods groups (eg, increased sugar-sweetened beverages and chips/crackers and decreased fruits), dependent on the meal occasion (eg, snacks). However, TV watching during meals at home was not significantly associated with dietary intake for other food groups. These associations did not depend on race/ethnicity. An association between number of meals consumed while watching TV with overall dietary quality or weight status was not found.ConclusionsAlthough more research is needed, results suggest TV watching while eating meals at home is relatively common, depends on race/ethnicity, and that TV watching at some meal occasions is associated with child intake of certain food groups, with a majority being unhealthy.

Project description:Current evidence linking sedentary behavior (SB), physical activity (PA), and inflammation raises questions about their causal relationships, prompting concerns about potential residual confounding or reverse causation. A bidirectional Mendelian randomization (MR) analysis was conducted. SB data (n = 408,815) from "computer use," "television watching," and "driving" were included. The PA data encompassed nine types of PA (n = 460,376) over the last four weeks and included data on the frequency of vigorous PA (n = 440,512) and moderate PA (n = 440,266) for over 10 min. Additionally, three genome-wide association study datasets (n = 64,949) on light, moderate, and vigorous exercise were included to minimize potential bias from changes in exercise intensity. Inflammation data included levels of C-reactive protein (CRP) (n = 575,531), glycoprotein acetyl (GlycA) (n = 115,082), interleukin (IL)-8, IL-6, IL-6 receptor (IL-6R), and soluble IL-6R (sIL-6R) (n = 35,278). All datasets represented participants of European ancestry. Television watching as an SB showed significant positive causal effects on GlycA and CRP (inverse variance weighted (IVW), odds ratios (OR): 1.34, 95% confidence intervals (CI): 1.25-1.44, p = 3.570 × 10-17; IVW, OR: 1.21, 95% CI: 1.16-1.26, p = 1.500 × 10-19, respectively), with more robust evidence for GlycA. In the direction from inflammation to PA, a negative causal relationship between CRP and"number of days/week of moderate PA 10+ minutes"was observed (IVW, OR: 0.92, 95% CI: 0.89-0.96, p = 3.260 × 10-5). Sensitivity analyses were used to verify the robustness and reliability of the results. However, other initially observed associations ceased to be significant after controlling for obesity-related confounders. Our MR analysis suggested a potential causal relationship between television watching and chronic low-grade inflammation, with more substantial evidence for GlycA. Additionally, different types of SB may have varying effects on inflammation. Obesity-related traits could partly or entirely influence the relationship between SB, PA, and inflammatory markers. Furthermore, Our findings indicate that SB is an independent risk factor for inflammation, separate from PA, and highlight the different mechanisms by which SB and PA affect disease.

Dataset Information

Associations between television watching and car riding behaviors and development of depressive symptoms: a prospective study.

Publications

Associations between television watching and car riding behaviors and development of depressive symptoms: a prospective study.

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