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Table 1 Characteristics of 4-year-old children with valid Actiheart data (n = 593).

From: Objectively measured physical activity in four-year-old British children: a cross-sectional analysis of activity patterns segmented across the day

Female (n (%)) 300 (51)
Age (years) 4.1 (0.1)
Ethnicity (% non-white) 17 (3)
Children attend childcare full time 45 (8)
BMI z-score 0.15 (1.1)
Weight status (IOTF classification) (n (%))  
 Underweight 42 (7)
 Normal 474 (80)
 Overweight/Obese 77 (13)
Age mother left education (n (%))  
 ≤16 years 190 (32)
 17-18 years 213 (36)
 ≥18 years 190 (32)
Season of measurement (n (%))  
 Winter 143 (24)
 Spring 145 (24)
 Summer 153 (26)
 Autumn 155 (26)
  1. All values are mean ± SD unless stated otherwise; SD: standard deviation; BMI: Body Mass Index; IOTF: International Obesity Task Force; Winter: December-February; Spring: March-May; Summer: June-August; Autumn: September-November.