Prevalence of symptoms and risk of sleep apnea in Dubai, UAE

Figures & data

Table 1 All respondents – age and BMI

	N	Minimum	Maximum	Mean	SD
Descriptive statistics
Age	1214	14	81	36.25	13.32
BMI	1214	13.85	57.04	28.25	6.17
Age of females	704	14	75	35.87	12.19
BMI of females	704	13.85	57.04	28.53	6.49
Age of males	510	14	81	36.76	14.74
BMI of males	510	14.87	49.46	27.86	5.69

Abbreviations: BMI, body mass index; SD, standard deviation.

Table 2 All respondents – frequency distribution of age

Age groups	Frequency	Percent
14 to 20	121	10.1
21 to 30	350	28.8
31 to 40	346	28.5
41 to 50	198	16.3
51 to 60	139	11.4
Older than 60	60	4.9
Total	1214	100.0

Table 3 Crosstabs – age groups by gender

Age group (years)	Gender		Total
	Female	Male
14 to 20
Count	58	63	121
% within gender	8.3%	12.2%	10.1%
21 to 30
Count	210	140	350
% within gender	29.8%	27.5%	28.8%
31 to 40
Count	212	134	346
% within gender	30.1%	26.3%	28.5%
41 to 50
Count	122	76	198
% within gender	17.3%	14.9%	16.3%
51 to 60
Count	80	59	139
% within gender	11.4%	11.6%	11.4%
Older than 60
Count	22	38	60
% within gender	3.1%	7.5%	4.9%
Total
Count	704	510	1214
% within gender	100.0%	100.0%	100.0%

Table 4 Categorization of respondents at high risk and low risk of OSAS

Risk	Gender		Total
	Female	Male
High risk
Count	137	117	254
% within gender	19.5%	22.9%	20.9%
Low risk
Count	567	393	960
% within gender	80.5%	77.1%	79.1%
Total
Count	704	510	1214
% within gender	100.0%	100.0%	100.0%

Abbreviation: OSAS, obstructive sleep apnea syndrome.

Table 5 Correlation between BMI and risk stratification for OSAS

BMI grouping	Risk		Total
	High risk	Low risk
<30 kg/m^2
Count	75	717	792
% within high risk or low risk	29.5%	74.7%	65.2%
≥30 kg/m^2
Count	179	243	422
% within high risk or low risk	70.5%	25.3%	34.8%
Count	254	960	1214
% within high risk or low risk	100.0%	100.0%	100.0%

Abbreviations: BMI, body mass index; OSAS, obstructive sleep apnea syndrome.

Figure 1 Prevalence of high risk Berlin Questionnaire scores by age for males (blue) and females (red).

Table 6 All high risk respondents – BMI summaries as per age groups

Age groups (years)	Female (n)	Mean ± SD	Male (n)	Mean ± SD
14 to 20	5	28.51 ± 10.84	6	36.17 ± 7.96
21 to 30	28	33.53 ± 6.57	23	33.62 ± 6.10
31 to 40	43	34.44 ± 6.33	35	30.59 ± 6.13
41 to 50	33	32.63 ± 6.15	20	32.42 ± 5.45
51 to 60	22	34.11 ± 5.27	21	32.39 ± 3.80
Older than 60	6	35.44 ± 7.80	12	30.48 ± 4.74
Total	137	33.59 ± 6.44	117	32.06 ± 5.67

Abbreviation: SD, standard deviation.