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Journal of Patient-Reported Outcomes

Table 3 Survey completion time (minutes) of two formats of the ePedsQL

From: Randomized comparative study of child and caregiver responses to three software functions added to the Japanese version of the electronic Pediatric Quality of Life Inventory (ePedsQL) questionnaire

 

Basic format

Dynamic format

Difference

Ratio

n

Median

RMST

n

Median

RMST

Median

RMST

Median

RMST

Children

 Children of survey company users

902

1.03

2.77

908

1.17

3.12

0.1

0.4

1.1

1.1

 Children from researchers’ neighborhoods

190

2.60

5.19

189

3.00

5.69

0.4

0.5

1.2

1.1

 0–6-year-old children

168

1.36

3.70

165

1.40

3.89

0.0 a

0.2

1.0 a

1.1

 7–18-year-old children

924

1.13

3.10

932

1.32

3.50

0.2

0.4

1.2

1.1

 Displays greater than 600 pixels

610

0.95

1.76

646

1.06

2.23

0.1

0.5

1.1

1.3

 Displays less than 600 pixels

429

1.42

3.15

394

1.72

3.36

0.3

0.2

1.2

1.1

Caregivers

 Survey company users

2170

0.78

1.69

2150

0.87

1.73

0.1

0.0 a

1.1

1.0 a

 Researchers’ neighbors

556

1.68

3.05

549

2.12

3.98

0.4

0.9

1.3

1.3

 0–6-year-old children’s caregivers

1038

1.22

2.45

1025

1.33

2.73

0.1

0.3

1.1

1.1

 7–18-year-old children’s caregivers

1688

0.75

1.67

1674

0.85

1.85

0.1

0.2

1.1

1.1

 Displays greater than 600 pixels

1417

0.73

1.42

1454

0.77

1.53

0.0 a

0.1

1.1

1.1

 Displays less than 600 pixels

1274

1.11

2.08

1206

1.35

2.40

0.2

0.3

1.2

1.2

  1. “Difference” (median or restricted mean) refers to the time required for the dynamic format minus that for the basic format. For example, children of survey company users required a median of 1.17 min for the dynamic format and 1.03 min for the basic format. Therefore, the difference was calculated as 0.14 and rounded to 0.1. A difference greater than 0 indicates that the dynamic format requires extra time for completion
  2. “Ratio” (median or restricted mean) refers to the time required for the dynamic format divided by that for the basic format. In the example using children of survey company users (median of 1.17 min for the dynamic format and 1.03 min for the basic format), the ratio was calculated as 1.136 and rounded to 1.1. A ratio greater than 1 indicates that the dynamic format requires extra time for completion
  3. RMST Restricted Mean Survival Time
  4. aDifference close to 0 or ratio close to 1 are notable results
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