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Table 2 Studies of steps/day associated with time in MVPA in young people

From: How many steps/day are enough? for children and adolescents

Reference Sample Characteristics Instruments Monitoring Frame Analytical Strategy Summary Findings
Cardon [15]
2004
Belgium
51 boys, 41 girls;
elementary school children;
6.5-12.7 years
Steps/day: Yamax Digiwalker SW-200, Yamax Corp, Japan
MVPA: self-report questionnaire
7 days Linear regression equation to predict steps/day from self-reported 60 minutes in MVPA Total: 13,130 steps/day = 60 minutes MVPA
Boys: 15,340 steps/day = 60 minutes MVPA
Girls: 11,317 steps/day = 60 minutes MVPA
Rowlands [16]
2005
UK
13 boys, 13 girls;
primary school children;
8,3 to 10.8 years
Steps/day: Yamax Digi-Walker DW-200, Yamasa, Tokyo, Japan
MVPA: Tritrac-R3D, models T303 and T303A, Professional Products, Reining International, Madison, WI
5 weekdays and 1 weekend day Sensitivity/specificity analysis of various thresholds to ascertain likelihood of attaining 60 minutes of accelerometer-determined MVPA Boys: 18,000 steps/day = 60 minutes MVPA
Girls: 15,000 steps/day = 60 minutes MVPA
Beighle [51]
2006
USA
256 boys, 334 girls;
elementary school children;
9.2 ± 1.8 years
Steps/day and Activity Time*: MLS 2505, Walk4Life, Ind., Plainfield, IL 4 weekdays Linear regression to predict pedometer-determined daily activity time from daily step count 5,000 steps/day = 64.5 minutes of activity
10,000 steps/day = 114.5 minutes of activity
12,000 steps/day = 134.5 minutes of activity
15,000 steps/day = 164.5 minutes of activity
Cardon [49]
2007
Belgium
37 boys, 39 girls;
preschool children;
4 to 5.9 years
Steps/Day: Yamax Digiwalker SW-200, Yamax Corp., Japan
MVPA: MTI Actigraph, 7164 (Fort Walton Beach, FL)
2 weekdays and 2 weekend days Regression equation to predict steps/day from accelerometer-determined time (60 minutes) in MVPA 13,874 steps/day = 60 minutes MVPA
Adams [52]
2009
USA
12 boys, 28 girls;
Overweight adolescents recruited through primary care providers;
11 to 16 years
Steps and MVPA: Actigraph 7164 7 days ROC to determine steps/day related to achieving 60 minutes accelerometer-determined MVPA; two definitions of moderate intensity used MVPA defined at least 3 METs:
9,930 steps/day = 60 minutes MVPA
MVPA defined at least 4 METs:
11,714 steps/day = 60 minutes MVPA
Tanaka [50]
2009
Japan
127 boys, 85 girls;
kindergarten/nursery school children;
4.5 to 6.8 years
Steps/day: Lifecorder EX, Suzuken, Nagoya
MVPA: ActivTracer, GMS, Tokyo
4 weekdays and 2 weekend days Linear regression to predict steps/day from triaxial accelerometer-determined time (60, 100, and 120 minutes) in MVPA 9,934 steps/day = 60 minutes MVPA
12,893 steps/day = 100 minutes MVPA
14,373 steps/day = 120 minutes MVPA
Olds et al.[53]
2010
Australia
129 boys, 168 girls;
9 to 16 years
New Lifestyles 1000 randomly chosen day of six days Linear regression equation to predict self-reported MVPA from steps/day 1 minute MVPA = 103 steps;
by extrapolation 60 minutes would approximately equal 6180 steps (taken over and above lifestyle activities)
  1. *Activity Time is not necessarily time in MVPA. Activity Time detected by this instrument is accumulated seconds of movement while the step counting lever arm is in motion.
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