Abstract
BackgroundThe increasing prevalence of type 2 diabetes in older adults has become a public health concern. We investigated the associations of total and domain-specific sedentary time with risk of type 2 diabetes in older adults.MethodsThe sample comprised 1046 older people (aged ≥65 years). Analyses were performed using cross-sectional data collected via computer-assisted telephone-based interviews in 2014. Data on six self-reported domains of sedentary time (Measure of Older Adults’ Sedentary Time), type 2 diabetes status, and sociodemographic variables were included in the study. Binary logistic regression analysis was performed to calculate the adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for total and individual sedentary behavior components and likelihood of type 2 diabetes.ResultsA total of 17.5% of the participants reported type 2 diabetes. No significant associations were found between total sitting time and risk of type 2 diabetes, after controlling for confounding factors. After total sedentary behavior was stratified into six domains, only watching television for more than 2 hours per day was associated with higher odds of type 2 diabetes (OR 1.56; 95% CI, 1.10–2.21), but no significant associations were found between other domains of sedentary behavior (computer use, reading, socializing, transport, and hobbies) and risk of type 2 diabetes.ConclusionsThese findings suggest that, among domain-specific sedentary behavior, excessive television viewing might increase the risk of type 2 diabetes among older adults more than other forms of sedentary behavior.
Highlights
Type 2 diabetes has escalated to epidemic proportions worldwide,[1] and its prevention has become a global public health priority.[2,3] Type 2 diabetes is caused by the ineffective use of insulin by the body[4] and has been linked to reduced life expectancy and increased risk of mortality.[5]
46.9% of respondents were men, 75.7% were married, 80.8% were unemployed, 76.7% had an educational level of up to high school, 51.1% lived in a metropolitan area, 86.9% lived with family, 60.6% engaged in insufficient leisure time physical activity (LTPA), and 41.9% were overweight
The average time spent viewing television was 138.06 (112.2) min/day, time spent using a computer was 26.23 (65.02) min/day, time spent reading was 224.0 (372.74) min/day, time spent socializing was 49.65 (53.06) min/day, time spent on transport was 27.02 (34.2) min/day, and time spent engaging in hobbies was 9.10 (28.88) min/day
Summary
Type 2 diabetes has escalated to epidemic proportions worldwide,[1] and its prevention has become a global public health priority.[2,3] Type 2 diabetes is caused by the ineffective use of insulin by the body[4] and has been linked to reduced life expectancy and increased risk of mortality.[5]. We investigated the associations of total and domain-specific sedentary time with risk of type 2 diabetes in older adults. No significant associations were found between total sitting time and risk of type 2 diabetes, after controlling for confounding factors. After total sedentary behavior was stratified into six domains, only watching television for more than 2 hours per day was associated with higher odds of type 2 diabetes (OR 1.56; 95% CI, 1.10–2.21), but no significant associations were found between other domains of sedentary behavior (computer use, reading, socializing, transport, and hobbies) and risk of type 2 diabetes. Conclusions: These findings suggest that, among domain-specific sedentary behavior, excessive television viewing might increase the risk of type 2 diabetes among older adults more than other forms of sedentary behavior
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