Table 3 Studies of steps/day related to indicators of healthy vs. unhealthy body composition in young people
From: How many steps/day are enough? for children and adolescents
Reference | Sample Characteristics | Step Counting Instrument | Monitoring Frame | Analytical Strategy | Findings |
|---|---|---|---|---|---|
Tudor-Locke [23] 2004 Australia Sweden USA | 959 boys, 995 girls; school children; 6 to 12 years | MyLife Stepper MLS-2000 Yamax, Tokyo, Japan | 4 week days | Contrasting groups method to identify optimal steps/day related to BMI- defined normal weight vs. overweight/obese IOTF | Boys: 15,000 steps/day Girls: 12,000 steps/day |
Duncan [54] 2006 New Zealand | 454boys, 515girls; elementary school children; 5 to 12 years | NL-2000, New Lifestyles Inc., Lee's Summit, MO | 3 weekdays, 2 weekend days | Contrasting groups method to identify overweight vs. nonoverweight based on 95th percentile for % body fat by bioelectric impedance | Boys: 16,000 steps/day Girls: 13,000 steps/day |
Laurson [55] 2008 USA | 358 boys, 454 girls; elementary school children; 6 to 12 years | Digiwalker 200-SW | 4-7 days including at least one weekend day | ROC, specificity, sensitivity to determine maximal accuracy of identifying BMI-defined normal weight vs. overweight/obese (IOTF criteria) | Boys: 13,666 Girls: 9,983 |
Dollman [56] 2010 Australia | 995 boys, 1,076 girls; Nationally representative sample; 5 to 16 years | New Lifestyles 1000 | 7 days including weekends | ROC, specificity, sensitivity to determine maximal accuracy of identifying BMI-defined normal weight vs. overweight/obese (IOTF criteria) | Boys (5-12 years): 12,000 Boys (13-16 years): 11,000 Girls (5-12 years): 10,000 Girls (13-16 years): NS findings |