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Table 2 Coding rules to assign Compendium METs, wakefulness, and posture to the ICATUS activities

From: Standardised criteria for classifying the International Classification of Activities for Time-use Statistics (ICATUS) activity groups into sleep, sedentary behaviour, and physical activity

Coding rule 1

Assign the codes and MET values from the Compendium and the codes for wakefulness and posture to each 6-digit activity

Coding rule 2

Use a median MET estimate of the respective activities or subcategories

2a.

when more than one activity from the Compendium was assigned to a 6-digit activity

2b.

when assigning METs to a 4-digit and 5-digit activity

2c.

when an activity is classified as “not further defined” (n.f.d.) or “not elsewhere classified” (n.e.c.)

2d.

when there is insufficient information in the explanatory notes; usually classified as “other related activities” and ends in “9”

Coding rule 3

Assign the codes for summary wakefulness and posture to a 4-digit and 5-digit activity according to the assessments made for the majority of its 6-digit subclass activities

  1. Notes: Compendium: 2011 Adult Compendium of Physical Activities [63]; MET: metabolic equivalent of task; ICATUS: International Classification of Activities for Time-Use Statistics; n.f.d.: not further defined; n.e.c.: not elsewhere classified