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. Author manuscript; available in PMC: 2013 Jun 12.
Published in final edited form as: Health Soc Care Community. 2012 Mar 27;20(4):430–437. doi: 10.1111/j.1365-2524.2012.01063.x

Table 2. The median score (with IQR) and standardised medians for each subscale of the adapted PETS (N = 101).

PETS Subscale (score range) Median IQR Standardised
median1
Parental engagement (3-15) 6 (6, 7) 2
Relevance & difficulty (5-25) 10 (9, 12) 2
Practical issues (4-20) 9 (8, 11) 2.25
1

Standardised median takes account of the different ranges of scores per subscale so that each median is divided by the number of questions per subscale to provide a method of comparison.