Accuracy of an Electronic Pedometer in Adults With Varying Body Mass Index Levels

Swartz, Ann M.; Bassett, David R.; Moore, J.Brian; Thompson, Dixie L.; Strath, Scott J.

doi:10.1097/00005768-200305001-01575

Cited by 7 publications

(5 citation statements)

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“…Nevertheless, assembled evidence is now available from 25 articles reviewed to substantiate the claim that simple and inexpensive pedometers agree acceptably with more expensive accelerometers (median r = 0.86), direct but time‐consuming observation (median r = 0.82), estimates and measures of energy expenditure (median r = 0.68), and self‐reported physical activity (median r = 0.33) (18). Although earlier research using a different brand than that used in this study suggested that pedometers were less accurate with obese individuals (32), recent evidence has supported Yamax pedometer accuracy regardless of BMI level (33, 34). Slow walking speed has also been raised as a threat to the validity of pedometer‐assessed physical activity.…”

Section: Discussioncontrasting

confidence: 70%

Cross‐sectional Relationship of Pedometer‐Determined Ambulatory Activity to Indicators of Health

et al. 2003

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CHAN, CATHERINE B., ELIZABETH SPANGLER, JAMES VALCOUR, AND CATRINE TUDOR-LOCKE.Cross-sectional relationship of pedometer-determined ambulatory activity to indicators of health. Obes Res. 2003; 11:1563-1570. Objective: To describe the cross-sectional relationship between an objective measure of walking (pedometer-determined steps/day) and general indicators of health, a prior diagnosis of one or more components of the metabolic syndrome, and self-reported occupational activity in a generally sedentary working population. Research Methods and Procedures:Steps/day were compared with previous diagnosis of one or more components of the metabolic syndrome (by self-administered questionnaire) and with general health indicators including BMI, waist circumference, resting heart rate, and blood pressure in 182 subjects in Prince Edward Island, Canada. Study participants were volunteer employees recruited from five workplaces where, in general, the job types were moderately or highly sedentary. Results: Steps/day were 7230 Ϯ SD 3447 for women (n ϭ 153) and 8265 Ϯ 2849 (n ϭ 21) for men. Pedometerdetermined steps/day were associated inversely with BMI (r ϭ Ϫ0.4005, p Ͻ 0.0001) in all participants and waist circumference in females only (r ϭ Ϫ0.4303, p Ͻ 0.0001). There was a low correlation between steps/day and diastolic blood pressure in the whole sample (r ϭ Ϫ0.2140, p ϭ 0.0383). Participants who reported a prior diagnosis of one or more components of the metabolic syndrome (hypertension, hypercholesterolemia, heart disease, or type 2 diabetes) took fewer steps/day than healthy participants (p ϭ 0.0254). Pedometer-determined steps/day were positively associated with self-reported occupational activity (p ϭ 0.0002). Discussion: Fewer steps/day are associated with increased BMI, waist circumference, diastolic blood pressure, and components of the metabolic syndrome. Low occupational activity is a contributing factor to low total ambulatory activity.

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Section: Discussioncontrasting

confidence: 70%

Cross‐sectional Relationship of Pedometer‐Determined Ambulatory Activity to Indicators of Health

et al. 2003

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“…At speeds of 54 m/min (3.2 km/hour), Digi-Walker pedometers (including the SW-200) tend to underestimate and count only about 70 to 75 % of actual steps. At speeds of 67 m/min (4.0 km/ hour) and above, the Digi-Walker pedometers appear to be considerably more accurate, counting 90 to 95 % of steps at speeds of 80 m/min (4.8 km/hour) and higher [5,13,27,30,38]. We observed that drill sergeants encourage trainees to move quickly during training activities and around the barracks areas.…”

Section: Discussionmentioning

confidence: 69%

“…It has been suggested that the main threats to the validity of pedometer measurement include obesity, motorized travel, and slower walking speeds [47]. Some authors have suggested that altered gait associated with obesity or excessive movement of abdominal fat may cause false readings [48], but recent studies show conflicting evidence regarding the influence of BMI on pedometer readings [14,30,35,38]. If obesity is a challenge for accurate pedometry, it was unlikely to have been a problem in the present survey, since the average BMI was about 24 kg/m 2 , and the highest BMI was 30.8 kg/m 2 .…”

Section: Discussionmentioning

confidence: 99%

Ambulatory Physical Activity during United States Army Basic Combat Training

et al. 2007

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Electronic pedometers were used to quantify locomotor physical activity during an entire 9-week United States Army Basic Combat Training (BCT) cycle. Pedometers were worn on the hips of 4 trainees in each of 10 BCT companies during all BCT activities. Investigators obtained pedometer readings (steps) on a daily basis, and estimated travel distances were obtained by multiplying steps by the average individual step length. A short questionnaire was administered daily to assure trainees wore the pedometers and trained with their companies all day. Trainees performed an average +/- SD of 16 311 +/- 5826 steps/day and traveled an estimated 11.7 +/- 4.4 kilometers/day. The highest daily locomotor activity was during the field training exercise in which trainees took an average +/- SD of 22 372 +/- 12 517 steps/day traveling an estimated 16.2 +/- 9.7 kilometers/day. Differences among the 10 companies ranged from 14 720 +/- 6649 steps/day to 18 729 +/- 6328 steps/day. This survey provided the first examination of locomotor physical activity during an entire BCT cycle.

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“…Walking behavior was measured via the Lifestyles Digi-Walker SW series pedometer (Schneider et al 2004;Swartz et al 2003) and the Godin Leisure Time Exercise Questionnaire (Godin et al, 1986) adapted to measure self-reported leisure-time walking in moderate and strenuous minutes (Brown and Rhodes, 2006;Tremblay et al, 2011).…”

Section: Measurementmentioning

confidence: 99%

Pilot study of a dog walking randomized intervention: Effects of a focus on canine exercise

Rhodes

Murray

Temple

et al. 2012

Preventive Medicine

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Accuracy of an Electronic Pedometer in Adults With Varying Body Mass Index Levels

Cited by 7 publications

References 0 publications

Cross‐sectional Relationship of Pedometer‐Determined Ambulatory Activity to Indicators of Health

Cross‐sectional Relationship of Pedometer‐Determined Ambulatory Activity to Indicators of Health

Ambulatory Physical Activity during United States Army Basic Combat Training

Pilot study of a dog walking randomized intervention: Effects of a focus on canine exercise

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