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Table 3 Strategies participants used for determining duration of sitting time

From: A qualitative study of older adults' responses to sitting-time questions: do we get the information we want?

Strategy

IPAQ

(open question)

PASE

(closed question)

Thinking of minimum time usually spent sitting

-

**

Summing sitting time on a usual day

***

**

Determining the proportion of a usual day spent sitting

**

-

Subtracting all non-sitting activities in a usual day from 24 hours

*

-

Calculating average daily sitting time across a week

**

*

Picking the day for which sitting time is easiest to recall

*

-

Reporting sitting time for the 'most usual' day

*

*

Reporting sitting time for the day with highest time spent sitting

*

*

Using a combination of the above strategies

*

*

Reporting average/usual sitting time without doing calculations

**

*

Guessing time spent sitting

**

*

No strategy, question considered too difficult to answer

**

-

  1. ***: frequently mentioned strategy (majority participants); ** strategy mentioned by fewer participants (less than majority, but more than 5); * strategy mentioned by few participants (less than 5); - strategy not mentioned