Fig. 2From: Children’s outdoor active mobility behaviour and neighbourhood safety: a systematic review in measurement methods and future research directionsMeans of measures and the outcome indices of children’s active Mobility behaviour. AIM = active independent mobility, BMI = body mass index, FWAC = frequent walking and cycling, MVPA = moderate-to-vigorous physical activity, NAS = neighbourhood activity space, PWTS = perceived walking to school, GPS = global positioning system, GIS = geographic information systemBack to article page