Physical activity: measurement in mid‐life women

Guthrie, Janet R.

doi:10.1034/j.1600-0412.2002.810704.x

Cited by 15 publications

(10 citation statements)

References 39 publications

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“…Although there are many different techniques available for investigating levels of habitual physical activity, no single technique has been identified as being ideal. The choice depends on what is to be measured in each population to be studied 33 .…”

Section: Discussionmentioning

confidence: 99%

Association between habitual physical activity and parameters of physical fitness in postmenopausal women

et al. 2005

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Section: Discussionmentioning

confidence: 99%

Association between habitual physical activity and parameters of physical fitness in postmenopausal women

et al. 2005

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“…Usual leisure-time activity was assessed using a modified, validated Minnesota Leisure-Time Activities questionnaire, 14, 15 which correlates with objective and subjective PA and physical fitness measures (r=0.23–0.75) 16 and has also been associated with risk of multiple disease outcomes in this cohort. 17–21 The questionnaire evaluated frequency and duration of 15 different activities during the prior 2 weeks, including gardening, mowing, raking, swimming, hiking, aerobics, tennis, jogging, racquetball, walking, golfing, bicycling, dancing, calisthenics, and exercise cycling.…”

Section: Methodsmentioning

confidence: 99%

Physical Activity and Risk of Coronary Heart Disease and Stroke in Older Adults

et al. 2016

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Background While guidelines suggest that older adults engage in regular physical activity (PA) to reduce cardiovascular disease (CVD), surprisingly few studies have evaluated this relationship, especially in those older than 75 years. Additionally, with advancing age the ability to perform some types of PA might decrease, making light-moderate exercise such as walking especially important to meet recommendations. Methods and Results Prospective cohort analysis among 4207 US men and women of mean age 73 years (SD=6) who were free of CVD at baseline in the Cardiovascular Health Study and followed from 1989 to 1999. PA was assessed and cumulatively updated over time to minimize misclassification and assess long-term effects of habitual activity. Walking (pace, blocks, combined walking score) was updated annually from baseline through 1999. Leisure-time activity and exercise intensity were updated at baseline, 1992, and 1996. Incident CVD (fatal or nonfatal myocardial infarction, coronary death, or stroke) was adjudicated using medical records. During 41 995 person-years of follow-up, 1182 CVD events occurred. After multivariable adjustment, greater PA was inversely associated with coronary heart disease (CHD), stroke (especially ischemic stroke), and total CVD, even in those 75 years and older. Walking pace, distance, and overall walking score, leisure-time activity, and exercise intensity were each associated with lower risk. For example, compared with a walking pace under 2 mph, those that habitually walked at a pace above 3 mph had lower risk of CHD (0.50; CI:0.38–0.67), stroke (0.47; CI:033–0.66) and CVD (0.50; CI:0.40–0.62). Conclusions These data provide empiric suggestion supporting PA recommendations, in particular walking, to reduce incidence of CVD among older adults.

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“…The modified Minnesota PA questionnaire has been validated against the full version, 31, 32 which is moderately correlated with objective and subjective physical activity and fitness measures (R~0.23–0.75). 33 Moreover, PA as measured by the modified Minnesota questionnaire in the CHS has been found to be associated with risk of cardiovascular disease, atrial fibrillation, body composition, venous thrombosis, and inflammation in expected directions.…”

Section: Methodsmentioning

confidence: 99%

Physical Activity and Heart Rate Variability in Older Adults

et al. 2014

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Background Cardiac mortality and electrophysiologic dysfunction both increase with age. Heart rate variability (HRV) provides indices of autonomic function and electrophysiology that are associated with cardiac risk. How habitual physical activity (PA) among older adults prospectively relates to HRV, including nonlinear indices of erratic sinus patterns, is not established. We hypothesized that increasing levels of both total leisure-time activity and walking would be prospectively associated with more favorable time-domain, frequency-domain, and nonlinear HRV measures in older adults. Methods and Results We evaluated serial longitudinal measures of both PA and 24-hour Holter HRV over 5 years among 985 older US adults in the community-based Cardiovascular Health Study. After multivariable adjustment, greater total leisure-time activity, walking distance, and walking pace were each prospectively associated with specific, more favorable HRV indices, including higher 24-hour standard-deviation-of-all-normal-to-normal-intervals (SDNN, p-trend=0.009, 0.02, 0.06, respectively) and ultra-low-frequency-power (p-trend=0.02, 0.008, 0.16, respectively). Greater walking pace was also associated with higher short-term-fractal-scaling-exponent (p-trend=0.003) and lower Poincare ratio (p-trend=0.02), markers of less erratic sinus patterns. Conclusions Greater total leisure-time activity, as well as walking alone, were prospectively associated with more favorable and specific indices of autonomic function in older adults, including several suggestive of more normal circadian fluctuations and less erratic sinoatrial firing. Our results suggest potential mechanisms that might contribute to lower cardiovascular mortality with habitual PA later in life.

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Physical activity: measurement in mid‐life women

Abstract: In this cohort of mid-life women the short exercise question was comparable in terms of measuring participation and change in physical activity with the more complex Minnesota Leisure-Time Physical Activity questionnaire.

Cited by 15 publications

References 39 publications

Association between habitual physical activity and parameters of physical fitness in postmenopausal women

Association between habitual physical activity and parameters of physical fitness in postmenopausal women

Physical Activity and Risk of Coronary Heart Disease and Stroke in Older Adults

Physical Activity and Heart Rate Variability in Older Adults

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