Table 1. Demographics (age, gender, nationality).

The median age was 52 years and the majority were young males (<54 years) and of Indian nationality. 

Age (years)	Frequency(n)	Percentage (%)
22 to 54 (young)	234	56.7%
55-74 (middle age)	156	37.8%
75-84 (old age)	21	5.1%
>85 (older age)	2	0.5%
Gender
Male	389	94%
Female	23	6.0
Nationality
Indian	84	20.3%
Bangladesh	52	12.5
Qatari	42	10.1
Nepalese	38	9.2
Filipino	36	8.7
Pakistani	36	8.7
Egyptian	29	7.0