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Table 1 Participant characteristics

From: Feasibility and validity of accelerometer measurements to assess physical activity in toddlers

Characteristic Total sample
(n = 47)
Observed sample
(n = 31)
t or chi square value p-value
Age (months) 20 ± 4 20 ± 4 t = -0.353 0.73
Age distribution (%)    χ2 = 0.368 0.83
12-17 months 34.0 35.5   
18-23 months 41.1 45.2   
24-30 months 14.9 19.3   
Male (%) 53.2 54.8 χ2 = 0.02 0.89
Height (cm) 79.5 ± 5.0 79.0 ± 5.0 t = 0.442 0.66
Body mass (kg) 11.2 ± 1.4 11.2 ± 1.5 t = -0.152 0.88
BMI (kg/m2) 17.7 ± 1.5 18.0 ± 1.4 t = -0.805 0.42
BMI z-score 1.2 ± 1.0 1.4 ± 0.9 t = -0.850 0.40