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Table 5
Changes, by category, in smoking between 1994/1995 and 2004/2005, by age group, Canada

                                            Non-smokers in:
1996/1997 1998/1999 2000/2001 2002/2003 2004/2005
Number % Number % Number % Number % Number %
Non-smokers in 1994/1995  
Total, 12 years and over 15,663,844 66.7 14,964,371 65.9 14,409,505 65.2 14,058,492 65.9 13,760,749 65.4
12 to 19 years 2,196,401 64.8 2,071,579 61.4 1,940,867 57.0 1,972,936 59.8 1,943,142 58.7
20 to 34 years 3,782,625 58.8 3,669,919 59.0 3,650,076 59.2 3,627,999 59.9 3,626,103 59.6
35 to 44 years 3,114,115 63.9 3,063,189 63.1 3,017,404 63.0 3,004,334 63.5 3,051,488 64.1
45 to 64 years 4,075,161 69.7 3,984,247 69.9 3,918,957 70.6 3,837,517 71.4 3,730,441 71.0
65 years and over 2,495,542 85.1 2,175,436 85.1 1,882,202 85.6 1,615,706 86.7 1,409,574 87.5
Smokers in 1994/1995  
Total, 12 years and over 977,475 4.2 1,335,359 5.9 1,625,243 7.4 1,992,966 9.3 2,292,228 10.9
12 to 19 years 119,339 3.5 123,830 E 3.7 E 135,434 4.0 195,304 5.9 225,667 6.8
20 to 34 years 373,903 5.8 506,308 8.1 619,677 10.1 708,451 11.7 844,008 13.9
35 to 44 years 162,389 3.3 265,282 5.5 346,973 7.2 457,023 9.7 508,027 10.7
45 to 64 years 247,632 4.2 348,534 6.1 429,518 7.7 528,510 9.8 623,367 11.9
65 years and over 74,213 2.5 91,406 3.6 93,641 4.3 103,677 5.6 91,159 5.7
                                            Smokers in:
1996/1997 1998/1999 2000/2001 2002/2003 2004/2005
Number % Number % Number % Number % Number %
Non-smokers in 1994/1995  
Total, 12 years and over 1,028,598 4.4 1,173,890 5.2 1,303,022 5.9 1,199,121 5.6 1,184,470 5.6
12 to 19 years 487,104 14.4 617,127 18.3 762,402 22.4 696,449 21.1 689,629 20.8
20 to 34 years 270,897 4.2 295,303 4.8 262,587 4.3 258,252 4.3 277,638 4.6
35 to 44 years 126,154 2.6 140,711 2.9 162,670 3.4 138,512 2.9 119,038 E 2.5 E
45 to 64 years 113,046 E 1.9 E 100,431 E 1.8 E 99,923 E 1.8 E 94,133 E 1.8 E 88,217 E 1.7 E
65 years and over 31,396 E 1.1 E 20,318 E 0.8 E 15,440 E 0.7 E F F F F
Smokers in 1994/1995  
Total, 12 years and over 5,800,369 24.7 5,218,869 23.0 4,768,334 21.6 4,076,963 19.1 3,788,513 18.0
12 to 19 years 588,433 17.4 561,312 16.6 566,514 16.6 435,140 13.2 454,185 13.7
20 to 34 years 2,004,950 31.2 1,744,388 28.1 1,628,702 26.4 1,457,695 24.1 1,337,784 22.0
35 to 44 years 1,468,940 30.2 1,381,683 28.5 1,264,877 26.4 1,133,714 24.0 1,084,673 22.8
45 to 64 years 1,408,347 24.1 1,263,532 22.2 1,100,824 19.8 917,404 17.1 812,051 15.5
65 years and over 329,699 11.2 267,955 10.5 207,417 9.4 133,010 7.1 99,820 6.2
1. The table shows changes in smoking of the 1994/1995 household population aged 12 and over every 2 years, at each cycle of the National Population Health Survey. Population, age, sex, Canada and province are based on the first survey cycle (cycle 1) in 1994/1995.
2. The table excludes persons who died or who were institutionalized after cycle 1 survey interview in 1994/1995. Estimated number of persons who have died: 287 persons after cycle 2, 599 persons after cycle 3, 957 persons after cycle 4, 1,279 persons after cycle 5 and 1,640 persons after cycle 6. These data are not all confirmed yet with the Canadian Vital Statistics Database. Persons living in an institution are excluded because they are not asked certain questions. Estimated number of persons who have been institutionalized: 62 persons at cycle 2, 114 persons at cycle 3, 135 persons at cycle 4, 161 persons at cycle 5 and 144 persons at cycle 6.
3. The table also excludes children under 12 and non-response (missing values), that is, "not applicable", "don't know", "refusal" and "not stated".
4. No estimates for smoking are provided for 1994/1995; what is shown instead are the changes in smoking. For estimates on smoking in 1994/1995, please refer to Health Indicators CANSIM table 104-0027, "Non-medical determinants of health, Health behaviours".
5. Percentages are based on the population with a specific characteristic (one category) in a given cycle as the numerator divided by the total population in 1994/1995 having all possible characteristics (all categories) as the denominator, excluding missing values.
6. Bootstrapping techniques were used to produce the coefficient of variation (CV) and 95% confidence intervals (CIs).
7. Data with a coefficient of variation (CV) from 16.6% to 33.3% are identified by an (E) and should be interpreted with caution.
8. Data with a coefficient of variation (CV) greater than 33.3% were suppressed (F) due to extreme sampling variability.
9. Changes in smoking of the 1994/1995 population in 1996/1997 are based on the 1996/1997 longitudinal full data file. This file contains all panel members with a complete (full) response in cycle 1 (1994/1995) and cycle 2 (1996/1997). Number of respondents for this table (excluding missing values): 13,402.
10. Changes in smoking of the 1994/1995 population in 1998/1999 are based on the 1998/1999 longitudinal full data file. This file contains all panel members with a complete (full) response in cycle 1 (1994/1995), cycle 2 (1996/1997) and cycle 3 (1998/1999). Number of respondents for this table (excluding missing values): 12,103.
11. Changes in smoking of the 1994/1995 population in 2000/2001 are based on the 2000/2001 longitudinal full cycle 1 and cycle 4 subset of respondents (from 2000/2001 longitudinal data file). This subset contains all panel members with a complete (full) response in cycle 1 (1994/1995) and cycle 4 (2000/2001), regardless of their response pattern in cycle 2 (1996/1997) and cycle 3 (1998/1999). Number of respondents for this table (excluding missing values): 11,366.
12. Changes in smoking of the 1994/1995 population in 2002/2003 are based on the 2002/2003 longitudinal full cycle 1 and cycle 5 subset of respondents (from 2002/2003 longitudinal data file). This subset contains all panel members with a complete (full) response in cycle 1 (1994/1995) and cycle 5 (2002/2003), regardless of their response pattern in cycle 2 (1996/1997), cycle 3 (1998/1999) and cycle 4 (2000/2001). Number of respondents for this table (excluding missing values): 10,302.
13. Changes in smoking of the 1994/1995 population in 2004/2005 are based on the 2004/2005 longitudinal full cycle 1 and cycle 6 subset of respondents (from 2004/2005 longitudinal data file). This subset contains all panel members with a complete (full) response in cycle 1 (1994/1995) and cycle 6 (2004/2005), regardless of their response pattern in cycle 2 (1996/1997), cycle 3 (1998/1999), cycle 4 (2000/2001) and cycle 5 (2002/2003). Number of respondents for this table (excluding missing values): 9,540.
Note(s): When comparing estimates, it is important to use confidence intervals to determine if differences between values are statistically significant. Confidence intervals describe sampling variability and give an indication of the precision of a given estimate. Please note that confidence intervals and coefficient of variations are provided in the CANSIM tables.
Source(s): Statistics Canada, National Population Health Survey, 1996/1997, 1998/1999, 2000/2001, 2002/2003 and 2004/2005 longitudinal data files (CANSIM table 104-7006).
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