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Reliability

Validity

Minimal Clinically Significant Difference

References

Instruments

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Nocturnal Rhinoconjunctivitis Quality of Life Questionnaire (NRQLQ)

Name of Questionnaire

Description

Developed to assess the quality-of-life impact sustained by adults with allergic rhinoconjunctivitis experienced at night .

Developer

Elizabeth Juniper, MCSP, MSc

Address

20 Marcuse Fields
Bosham, West Sussex
PO18 8NA
United Kingdom

E-mail

juniper@qoltech.co.uk

Cost & availability

See website: www.qoltech.co.uk

Administration

Self-administered

Time to complete

Approx 5 minutes

Number of items

Domains & categories

4 domains and 1 summary score

Name of categories/domains

Sleep Problems, Sleep Time Problems, Symptoms on Waking in the Morning, Practical Problems

Scaling of items

Each item is scored on a 7-point scale, from 0 (not troubled) to 6 (extremely troubled).

Scoring

Scores for each section and a total score. Lower scores indicate better quality of life.

Reliability

Test-retest/reproducibility: Intra-class coefficient for overall score was 0.87; slightly lower values for the domains (0.74 to 0.83)¹
Internal consistency: Not reported

Validity

Cross-sectional correlations between the NRQLQ and other measures of health status were close to a priori predictions providing evidence of construct validity.¹

Responsiveness

Among the 73% of patients who showed clinically important improvement or deterioration in health status, within-group changes were shown in overall and domain score (p<0.001) ¹

The NRQLQ detected between-group differences (stable vs. change) (p<0.001) ¹

Responsiveness index for overall score was 0.93 ¹

Research use

Not reported.

Clinical use

Not reported.

Language

Original: English (North American)
Translations: For current list, see: www.qoltech.co.uk

References

Juniper EF, Rohrbaugh T, Meltzer EO. A questionnaire to measure health-related quality of life in adults with nocturnal allergic rhinoconjunctivitis. J Allergy Clin Immunol 2003; 111: 484-90.

Date of information

February 2005