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Table 2 Distribution of item scores according to sample, number (%), and comparison of scores between modes of survey

From: General population norms for the EQ-5D-3 L in Norway: comparison of postal and web surveys

 

Postal survey

Web survey

P a

Odds ratio

95% CI

P

n

1131

 

977

     

Mobility

    

0.66

0.97b

(0.74 to 1.28)

0.84

 No problems

968

(86)

831

(85)

    

 Some problems

163

(14)

145

(15)

    

 Confined to bed

 

1

(0)

    

Self-care

    

0.94

0.81b

(0.44 to 1.48)

0.49

 No problems

1102

(97)

954

(98)

    

 Some problems

28

(3)

23

(2)

    

 Unable to wash or dress

1

(0)

     

Usual activities

    

0.14

1.08c

(0.85 to 1.38)

0.52

 No problems

949

(84)

789

(81)

    

 Some problems

172

(15)

175

(18)

    

 Unable to perform

10

(1)

13

(1)

    

Pain/Discomfort

    

0.002

1.25c

(1.04 to 1.50)

0.019

 No pain or discomfort

647

(57)

495

(51)

    

 Moderate pain or discomfort

444

(39)

426

(44)

    

 Extreme pain or discomfort

40

(4)

56

(6)

    

Anxiety/Depression

    

0.62

0.88c

(0.70 to 1.10)

0.26

 Not anxious or depressed

893

(79)

766

(78)

    

 Moderately anxious or depressed

228

(20)

198

(20)

    

 Extremely anxious or depressed

10

(1)

13

(1)

    
  1. aFisher’s exact test; bLogistic regression: OR for web compared to postal of scoring Moderate/extreme vs. Mild, adjusted for age, sex and education;
  2. cOrdinal logistic regression: OR for web compared to postal of scoring in a higher category on the scale, adjusted for age, sex and education