Validation of the Arabic Version of the European Community Respiratory Health Survey Screening Questionnaire

Figures & data

Table 1 Symptom Prevalence According to the ECRHS Screening Questionnaire

Question	Number	%
Q1. Have you had wheezing or whistling in your chest at any time in the last 12 months?	356	18.9
Q1.1 Have you been at all breathless when the wheezing noise was present?	175	9.3
Q1.2 Have you had this wheezing or whistling when you did not have a cold?	206	10.9
Q2 Have you woken up with a feeling of tightness in your chest at any time in the last 12 months?	190	10.1
Q3 Have you been woken by an attack of shortness of breath at any time in the last 12 months?	167	8.9
Q4 Have you been woken by an attack of coughing at any time in the last 12 months?	449	23.9
Q5 Have you had an attack of asthma in the last 12 months?	108	5.7
Q6 Are you currently taking any medicine (including inhalers, aerosols or tablets) for asthma?	127	6.8
Q7 Do you have any nasal allergies including hay fever?	484	25.8

Figure 1 Phases of adaptation of the European Community Respiratory Health Survey in Arabic.

Table 2 Test–Retest Reliability of the Arabic Version of the ECRHS Screening Questionnaire (n = 303)

Question	1st Visit	2nd Visit	Cohen’s Kappa
Q1	63.0	64.4	0.971
Q1.1	35.3	31.4	0.921
Q1.2	34.0	36.6	0.940
Q2	31.0	33.0	0.955
Q3	30.7	28.4	0.945
Q4	77.9	77.2	0.981
Q5	22.1	22.1	0.971
Q6	23.1	23.8	0.982
Q7	62.0	64.7	0.844

Table 3 Validity of the Arabic Version of the ECRHS Screening Questionnaire

Question	Sensitivity	Specificity	Youden Index
Q1. Have you had wheezing or whistling in your chest at any time in the last 12 months?	0.939	0.645	0.584
Q1.1 Have you been at all breathless when the wheezing noise was present?	0.615	0.851	0.466
Q1.2 Have you had this wheezing or whistling when you did not have a cold?	0.7	0.745	0.445
Q2 Have you woken up with a feeling of tightness in your chest at any time in the last 12 months?	0.464	0.883	0.347
Q3 Have you been woken by an attack of shortness of breath at any time in the last 12 months?	0.396	0.887	0.283
Q4 Have you been woken by an attack of coughing at any time in the last 12 months?	0.73	0.242	−0.028
Q5 Have you had an attack of asthma in the last 12 months?	0.338	0.947	0.285
Q6 Are you currently taking any medicine (including inhalers, aerosols or tablets) for asthma?	0.414	0.958	0.372
Q7 Do you have any nasal allergies including hay fever?	0.763	0.366	0.129