At <http://www12.statcan.gc.ca/nhs-enm/2011/ref/dict/a1-1-eng.cfm> there are two NHS questionnaires: N1 and N2. What is the difference between the two?
"Most 2011 National Household Survey respondents received the 2011 National Household Survey Form N1 questionnaire, while respondents living on Indian reserves, in Indian
settlements, in Inuit regions and in other remote areas received the 2011 National Household Survey Form N2 questionnaire. On both questionnaires, questions 18, 20 and 21 were identical.
In Question 17 (Ethnic origin), the examples were different on the N1 and N2 questionnaires. The N1 examples were: Canadian, English, French, Chinese, East Indian, Italian, German, Scottish, Irish, Cree, Mi'kmaq, Salish, Métis, Inuit, Filipino, Dutch, Ukrainian, Polish, Portuguese, Greek, Korean, Vietnamese, Jamaican, Jewish, Lebanese, Salvadorian, Somali and Colombian.
In comparison, the N2 questionnaire examples were more specific to the Aboriginal population: Cree, Ojibway, Mi'kmaq, Salish, Dene, Blackfoot, Inuit, Métis, Canadian, French, English and German.
For the most part, the N1 questionnaire examples were based on the most frequent single origins reported in the 2006 Census and were arranged in descending order of size as reported in 2006, beginning with the largest group. Examples were also included to reflect Aboriginal peoples living in Canada. Similarly, on the N2 questionnaire, the most frequently-reported Aboriginal origins were included as examples, with an effort being made to ensure that Aboriginal examples from different regions of Canada were included. Non-Aboriginal examples in the list included the most frequently-reported origins in the 2006 Census."
You will find the answer to your question on the following page: <http://www12.statcan.gc.ca/nhs-enm/2011/ref/guides/99-011-x/99-011-x2011006-eng.cfm>