Arabic translation and validation of a pediatric sleep questionnaire to assess the prevalence of sleep-disordered breathing among Saudi pre-school children

Table 4 Internal consistency reliability for sleep questionnaire factors (n=34)^a

Factor	Cronbach’s Alpha
Construct 1: apnea (questions 1 and 2)	0.89
Construct 2: breathing difficulty (questions 3 and 4)	0.79
Construct 3: snoring (questions 5 and 6)	0.64
All items	0.80

^aInternal consistency reliability of factors was estimated by Cronbach’s Alpha. Cronbach’s alpha values of 0.70 or higher are favorable

ISSN: 1471-2431