Table 2.

Comparison of the study sample gender and age distribution with the general population

	General population	%	Observed in study sample		Expected	Difference % from expected
	N		N	%	N
Males	4,459,864	48.06	62,390	52.24	57,397.54	8.70
15–17	273,727	2.95	3057	2.56	3522.811	– 13.22
18–30	599,106	6.46	14,609	12.23	7710.372	89.47
31–45	1,191,268	12.84	15,437	12.93	15,331.38	0.69
46–60	1,087,118	11.71	16,765	14.04	13,990.99	19.83
> 60	1,308,645	14.10	12,522	10.48	16,842	– 25.65
Females	4,820,236	51.94	57,043	47.76	62,035.46	– 8.05
15–17	263,919	2.84	2759	2.31	3396.584	– 18.77
18–30	587,150	6.33	16,259	13.61	7556.501	115.17
31–45	1,194,031	12.87	17,179	14.38	15,366.94	11.79
46–60	1,177,657	12.69	14,031	11.75	15,156.21	– 7.42
> 60	1,597,479	17.21	6815	5.71	20,559.23	– 66.85