Dataset Information

Time trends between 2002 and 2017 in correlates of self-reported sitting time in European adults.

ABSTRACT:

Background

This study explores trends in the prevalence of high sitting time and its correlates among "high sitting" and "high sitting-least active" European adults from 2002 to 2017. Both groups have merit for future public health interventions to prevent development of a range of prevalent non-communicable diseases.

Methods

Data collected in the 2002 (15 countries), 2005 (30 countries), 2013 (28 countries) and 2017 (28 countries) Eurobarometer surveys were used, including around 15,000 respondents in 2002 and >26,000 respondents in the other years. Sitting time and moderate to vigorous intensity physical activity were measured with the validated International Physical Activity Questionnaire-short. High sitting was defined as >7.5 hours per day. Respondents in the lowest quartile of total reported days of physical activity (i.e. days walking, days in moderate activity, and days in vigorous activity) were defined as least active. Multivariate odds ratios of high sitting, and high sitting-least active were assessed by country and socio-demographic characteristics for each survey year using binary logistic regression analyses.

Results

Trends in sitting time were relatively stable over a 15-year period, although this time trend was limited by a change in the sitting question between 2005 and 2013. Men, higher educated people, students, retired people, white collar workers, people living in urban areas, people with lower physical activity levels, and people living in the Czech Republic, Denmark or the Netherlands were consistently more likely to be in the high sitting group across all four survey years. Similarly, men, students, retired people, unemployed people, white collar workers, and people living in the Czech Republic or Denmark were consistently more likely to be in the high sitting-least active group across all four surveys.

Conclusion

This study identified population sub-groups that need special attention in public health interventions to lower total sitting time.

SUBMITTER: Jelsma JGM

PROVIDER: S-EPMC6850696 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Time trends between 2002 and 2017 in correlates of self-reported sitting time in European adults.

Jelsma Judith G M JGM Gale Joanne J Loyen Anne A van Nassau Femke F Bauman Adrian A van der Ploeg Hidde P HP

PloS one 20191112 11

<h4>Background</h4>This study explores trends in the prevalence of high sitting time and its correlates among "high sitting" and "high sitting-least active" European adults from 2002 to 2017. Both groups have merit for future public health interventions to prevent development of a range of prevalent non-communicable diseases.<h4>Methods</h4>Data collected in the 2002 (15 countries), 2005 (30 countries), 2013 (28 countries) and 2017 (28 countries) Eurobarometer surveys were used, including around ...[more]

PMID: 31714933

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Project description:ObjectiveSedentary behaviour is increasingly recognized as an important health risk, but comparable data across Europe are scarce. The objective of this study was to explore the prevalence and correlates of self-reported sitting time in adults across and within the 28 European Union Member States.MethodsThis study reports data from the Special Eurobarometer 412. In 2013, 27,919 randomly selected Europeans (approximately 1000 per Member State) were interviewed face-to-face. Sitting time on a usual day was self-reported and dichotomised into sitting less- and more than 7.5 hours per day. Uni- and multivariate odds ratios of sitting more than 7.5 hours per day were assessed by country and socio-demographic variables using binary logistic regression analyses. The analyses were stratified by country to study the socio-demographic correlates of sitting time within the different countries.ResultsA total of 26,617 respondents were included in the analyses. Median sitting time was five hours per day. Across Europe, 18.5 percent of the respondents reported to sit more than 7.5 hours per day, with substantial variation between countries (ranging from 8.9 to 32.1 percent). In general, northern European countries reported more sitting than countries in the south of Europe. 'Current occupation' and 'age when stopped education' were found to be the strongest correlates of sitting time, both across Europe and within most Member States. Compared to manual workers, the odds ratio of sitting more than 7.5 hours per day was 5.00 for people with white collar occupations, 3.84 for students, and 3.65 for managers.ConclusionsThere is substantial variation in self-reported sitting time among European adults across countries as well as socio-demographic groups. While regular surveillance of (objectively measured) sedentary behaviour is needed, the results of this study provide entry points for developing targeted interventions aimed at highly sedentary populations, such as people with sedentary occupations.

Project description:Study questionHas there been there a temporal change in time-to-pregnancy (TTP) in the USA.Summary answerOverall, TTP was stable over time, but a longer TTP for women over 30 and parous women was identified.What is known alreadyFertility rates in the USA have declined over the past several years. Although these trends have been attributed to changing reproductive intentions, it is unclear whether declining fecundity (the biologic ability to reproduce measured by TTP in the current report) may also play a role. Indeed, trends based on declining sperm quality and higher utilisation of infertility treatment suggest fecundity may be falling.Study design, size, durationThis cross-sectional survey data from the National Survey of Family Growth was administered from 2002 to 2017. The surveys are based on nationally representative samples of reproductive-aged women in the USA. Interviews were conducted in person or through computer-assisted self-administration of sensitive questions.Participants/materials, setting, methodsThe study included women who self-reported time spent trying to become pregnant allowing utilisation of the current duration approach to estimate the total duration of pregnancy attempt (i.e. TTP). In all, 1202 participants were analysed over each study period. To estimate a TTP distribution overall and by parity, we used a piecewise constant proportional hazards model that accounts for digit preference. Accelerated-failure-time regression models, which were weighted to account for the sampling design, were used to estimate time ratios (TRs). Models were adjusted for age, BMI, race, education, relationship status, parity, pelvic inflammatory disease treatment and any reproductive problems.Main results and the role of chanceOf the participants analysed, the average age was 31.8 and BMI was 28.6, which was similar across the survey periods. Relationship status was the only demographic characteristic that changed over time. All other variables remained constant across the study periods. Overall, TRs comparing TTP between 2002 and 2017 increased slightly (TR: 1.02, 95% CI: 0.99, 1.04). When stratified by parity, parous women had a longer TTP over the later years of the study (TR: 1.04, 95% CI: 1.01, 1.06). TTP remained constant for nulliparous women. Similarly, TTP also increased over time for women over age thirty (TR: 1.02, 1.00, 1.05) but not for women under age thirty.Limitations, reasons for cautionSmall changes in data collection over time may have impacted the findings. We accounted for this in sensitivity analyses using imputed data. Overall, TRs were slightly attenuated using the imputed data, but represented similar patterns to the original data. Results for parous women and women over 30 remained consistent in the sensitivity analyses.Wider implications of the findingsConsistent with reports of falling fertility rates and sperm counts, this study suggests parous and older couples in the USA may be taking longer to become pregnant. Although trends were suggestive of a small overall increase in TTP, particularly for parous women and women over age thirty, additional data are needed to attempt to understand these trends given the societal, economic and public health implications related to fecundity.Study funding/competing interest(s)Funding was provided by National Institutes of Health grant R03HD097287 to A.C.M. There are no competing interests.Trial registration numberN/A.

Project description:BackgroundTo the authors' knowledge, few studies to date have examined associations between moderate to vigorous physical activity (MVPA) and sitting time with quality of life in cancer survivors compared with a cancer-free group. The current study examined differences in global mental health (GMH) and global physical health (GPH) across levels of MVPA and sitting among cancer survivors and cancer-free participants.MethodsCancer Prevention Study II participants (59.9% of whom were female with an age of 77.8 ± 5.8 years) were grouped as: 1) survivors who were 1 to 5 years after diagnosis (3718 participants); 2) survivors who were 6 to 10 years after diagnosis (4248 participants); and 3) cancer-free participants (ie, no history of cancer; 69,860 participants). In 2009, participants completed MVPA, sitting, and Patient-Reported Outcomes Measurement Information System GMH/GPH surveys. Mean differences in GMH and GPH T scores across MVPA (none, 0 to <7.5, 7.5 to <15, 15 to <22.5, and ≥22.5 metabolic equivalent [MET]-hours/week) and sitting (0 to <3, 3 to <6, and ≥6 hours/day) were assessed using multivariate generalized linear models.ResultsThe mean GMH and GPH scores were statistically significantly higher in cancer-free participants compared with cancer survivor groups, although the differences were not clinically meaningful (mean difference of 0.52 for GMH and 0.88 for GPH). More MVPA was associated with higher GMH and GPH scores for all 3 groups (P for trend <.001), and differences between the least and most active participants were found to be clinically meaningful (mean differences of ≥4.34 for GMH and ≥6.39 for GPH). Similarly, a lower duration of sitting was associated with higher GMH and GPH scores for all groups (P for trend <.001), with clinically meaningful differences observed between the least and most sedentary participants (mean differences of ≥2.74 for GMH and ≥3.75 for GPH).ConclusionsThe findings of the current study provide evidence of the importance of increased MVPA and decreased sitting for improved health in older adults with or without a prior cancer diagnosis.

Project description:BackgroundOur aim was to investigate the association of macroeconomic, human development, and demographic factors with different domains of physical activity and sitting time among South American adults.MethodsWe used data from nationally representative samples in Argentina (n = 26,932), Brazil (n = 52,490), Chile (n = 3866), Colombia (n = 14,208), Ecuador (n = 19,883), Peru (n = 8820), and Uruguay (n = 2403). Our outcomes included leisure time (≥150 min/week), transport (≥10 min/week), occupational (≥10 min/week), and total (≥150 min/week) physical activity, as well as sitting time (≥4 h/day), which were collected through self-reported questionnaires. As exposures, gross domestic product, total population, population density, and human development index indicators from the most updated national census of each country were used. Age and education were used as covariates. Multilevel logistic regressions with harmonized random effect meta-analyses were conducted, comparing highest vs. lowest (reference) tertiles.ResultsHigher odds for transport physical activity were observed among the highest tertiles of total population (ORmen: 1.41; 95% CI: 1.23-1.62), ORwomen: 1.51; 95% CI:1.32-1.73), population density (ORmen: 1.36; 95% CI: 1.18-1.57, ORwomen: 1.49; 95% CI: 1.30-1.70), and gross domestic product (ORmen: 1.16; 95% CI: 1.00-1.35, ORwomen: 1.39; 95% CI: 1.20-1.61). For leisure physical activity, women living in departments with higher human development index presented 18% higher odds for being active, and for total physical activity a similar estimate in both sexes was observed among those who live in more populated areas. No consistent associations were found for occupational physical activity and sitting time.ConclusionMacroeconomic, demographic and human development indicators are associated with different domains of physical activity in the South American context, which can in turn guide policies to promote physical activity in the region.

Dataset Information

Time trends between 2002 and 2017 in correlates of self-reported sitting time in European adults.

Background

Methods

Results

Conclusion

Publications

Time trends between 2002 and 2017 in correlates of self-reported sitting time in European adults.

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