Table 1 Classification of physical activity, sedentary behavior and sleep based on the (developmentally appropriate) activity categories and posture as reported in the My Little Moves app
Activity category | Developmental group | Posture | 24-h movement behavior |
|---|---|---|---|
Personal care (e.g., having a diaper changed or showering) | All | NA | SB |
Eating/drinking (e.g., being breastfed or eating dinner) | All | NA | SB |
Sitting/lying calmly (e.g., lying or sitting on a couch) | 0–1 year | Being carried | SB |
Lying on tummy | PA | ||
Lying on back | SB | ||
Lying on side | SB | ||
Sitting with support | SB | ||
0–1 year & milestone ‘sitting without support’ achieved | Sitting without support | PA | |
> 1 year | Lying | SB | |
Sitting | SB | ||
All | Changing posture | SB | |
I don’t know | SB | ||
Playing: Calm/I don’t know (e.g., reading a book or drawing) | 0–1 year | Being carried | SB |
Lying on tummy | PA | ||
Lying on back | SB | ||
Lying on side | SB | ||
Sitting with support | SB | ||
0–1 year & milestone ‘sitting without support’ achieved | Sitting without support | PA | |
> 1 year | Lying | SB | |
Sitting | SB | ||
< 2 years | Standing with support | SB | |
6 months–2 years & milestone ‘standing without support’ achieved | Standing without support | PA | |
> 2 years | Standing | SB | |
All | Changing posture | SB | |
I don’t know | SB | ||
Playing: Active (e.g., crawling or running in a playground) | 0–1 year | Being carried | PA |
Lying on tummy | PA | ||
Lying on back | PA | ||
Lying on side | PA | ||
Sitting with support | PA | ||
0–1 year & milestone ‘sitting without support’ achieved | Sitting without support | PA | |
> 1 year | Lying | PA | |
Sitting | PA | ||
< 2 years | Standing with support | PA | |
6 months–2 years & milestone ‘standing without support’ achieved | Standing without support | PA | |
> 2 years | Standing | PA | |
All | Changing posture | PA | |
All | I don’t know | PA | |
Passive transport (e.g., sitting in a car or bicycle seat) | All | NA | SB |
Sleeping | All | NA | Sleep |
Screen use: Watching/Calm play/I don’t know (e.g., watching or scrolling on a tablet) | All | NA | SB |
Screen use: Active play (e.g., dancing or playing active games in front of a television) | > 6 months | NA | PA |
Active transport (e.g., walking or cycling to the supermarket) | > 2 years or milestone ‘walking without support’ achieved | NA | PA |