Table 5.

Ethnic distribution of study sample compared with the Canadian population

Ethnicity	Study sample; n (%) (n = 3143)	2016 Census; n (%)a (n = 34,460,065)	Prevalence ratio [95% CI]b
African	46 (1.46)	1,067,930 (3.10)	0.46 [0.35, 0.62]
Central or West	7 (0.22)	230,110 (0.67)	0.33 [0.16, 0.70]
North	19 (0.60)	355,045 (1.03)	0.58 [0.37, 0.92]
South or East	20 (0.67)	260,145 (0.75)	0.84 [0.54, 1.31]
American	45 (1.43)	377,405 (1.10)	1.31 [0.98, 1.76]
Asian	425 (13.53)	6,095,235 (17.67)	0.73 [0.66, 0.81]
West, Central or Middle Eastern	71 (2.26)	1,011,145 (2.93)	0.77 [0.60, 0.97]
South	135 (4.30)	1,963,330 (5.70)	0.74 [0.63, 0.88]
East or South East	220 (7.00)	3,163,360 (9.18)	0.75 [0.65, 0.85]
Canadian	2203 (70.14)	11,135,965 (32.32)	4.91 [4.56, 5.31]
Caribbean	29 (0.92)	749,155 (2.17)	0.42 [0.29, 0.60]
European	903 (28.75)	19,683,320 (57.12)	0.30 [0.28, 0.33]
British Isles	428 (13.63)	11,211,850 (32.54)	0.33 [0.30, 0.36]
French	66 (2.10)	4,680,820 (13.58)	0.14 [0.11, 0.17]
Western	214 (6.81)	4,600,855 (13.35)	0.47 [0.41, 0.55]
Northern	86 (2.74)	1,201,320 (3.49)	0.78 [0.63, 0.97]
Eastern	233 (7.42)	3,431,245 (9.96)	0.72 [0.63, 0.83]
Southern	175 (5.57)	3,012,375 (8.74)	0.62 [0.53, 0.72]
Indigenous	34 (1.08)	2,130,520 (6.18)	0.17 [0.12, 0.23]
Latin, Central and South American	13 (0.41)	674,640 (1.96)	0.21 [0.12, 0.36]
Oceana	12 (0.38)	85,470 (0.25)	1.54 [0.87, 2.71]
Other	15 (0.5)	N/A	N/A

^aBased on Statistics Canada 2016 Census of Population[22]

^bRelative risk ratio of our sample compared to the 2016 Canadian Census