Skip to main content

Table 1 Characteristics of the study population at baseline, by immigration status

From: Ethnic differences in prediabetes incidence among immigrants to Canada: a population-based cohort study

Variables Long-term Canadian residents (N = 1,437,502) Immigrants (N = 334,678) Total (N = 1,772,180)
Age, mean ± SDa 47.4 ± 15.4 41.3 ± 12.8 46.3 ± 15.1
Femalea 862,723 (60.0) 197,044 (58.9) 1,343,814 (58.3)
Income quintileb
 Q1 (lowest) 214,286 (14.9) 89,965 (26.9) 304,251 (17.2)
 Q2 274,313 (19.1) 78,435 (23.4) 352,748 (19.9)
 Q3 299,956 (20.9) 68,564 (20.5) 368,520 (20.8)
 Q4 317,237 (22.1) 60,755 (18.1) 377,992 (21.3)
 Q5 (highest) 331,710 (23.1) 37,064 (11.1) 368,774 (20.8)
South Asian or Chinese surnamec 214,286 (14.9) 89,965 (26.9) 304,251 (17.2)
 Chinese (Han Chinese) 58,948 (4.1) 62,684 (18.7) 121,632 (6.9)
 South Asian (Hindu, Sikh, Sri Lankan) 27,463 (1.9) 35,670 (10.7) 63,133 (3.6)
  1. All values expressed as N (%) unless otherwise specified
  2. aDemographic information was obtained from Ontario’s Registered Persons Database
  3. bNeighborhood income quintiles were derived from the 2006 Canadian census and adjusted for household and community size
  4. cEthnic groups were ascertained using a validated algorithm that identifies ethnic groups based on surnames only, and the algorithm can be used for immigrants and long-term residents