Table 1 Description of each activity trial.

From: Development and validation of a smartwatch algorithm for differentiating physical activity intensity in health monitoring

Activity type

Intensity

Description

Sitting

Sedentary

Seated in a chair at a desk and using mobile phones or reading books

Standing still

Sedentary

Standing quietly. Instructed not to move around

Slow walking

Light

Walking for pleasure, at a self-selected slow speed

Quick walking

Moderate

Walking for exercise, at a self-selected quick speed

Ascending and descending stairs

Moderate

Walking up and down stairs at a self-selected usual speed

Jogging

Vigorous

Jogging at a self-selected usual speed

Run/rope skipping

Vigorous

Running at a self-selected usual speed or jumping rope at moderate pace, 100–120 skips/min, 2-foot skip