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Index of statistical tests


W Wald test used to compute the p-value (binary variables)
F F test used to compute the p-value (continuous variables)
R Regression of the log of the outcome variable on time


  1. Difference in overall smoking prevalence between 2012 and 2013: p=0.07W
  2. Difference in daily smoking prevalence between 2012 and 2013: p=0.18W
  3. Difference in non-daily smoking prevalence between 2012 and 2013: p=0.32W
  4. Overall effect of time (1999-2013) on smoking prevalence: p<0.0001F
  5. Overall annual rate of decline in prevalence, 1999-2013=3.3%; relationship of log prevalence and time: p<0.0001R
  6. Difference in overall smoking prevalence between males and females in 2013: p=0.02W
  7. Difference in daily smoking prevalence between males and females in 2013: p=0.16W
  8. Difference in non-daily smoking prevalence between males and females in 2013: p=0.04W
  9. Difference in current smoking prevalence among males between 2012 and 2013: p=0.07W
  10. Difference in current smoking prevalence among females between 2012 and 2013: p=0.51W
  11. Difference in current smoking prevalence between age groups in 2013: p<0.0001W
  12. Difference in consumption between 2012 and 2013: p<0.05W
  13. Overall effect of time (1999-2013) on consumption: p<0.0001F
  14. Overall annual rate of decline in consumption, 1999-2013=1.3%; relationship of log CPD and time: p<0.0001R
  15. Difference in consumption between males and females in 2013: p=0.0001F
  16. Difference in consumption among males between 2012 and 2013: p=0.04F 
  17. Difference in consumption among females between 2012 and 2013: p=0.77F
  18. Difference in consumption between age groups in 2013: p<0.0001F
  19. Difference in self-rated health (excellent/very good vs. other) by smoking status in 2013: p<0.0001W
  20. Difference in (excellent/very good) self-rated health by smoking status, age 15-19, in 2013: p<0.0001F
  21. Difference in (excellent/very good) self-rated health by smoking status, age 20-24, in 2013: p<0.0001W
  22. Difference in (excellent/very good) self-rated health by smoking status, age 25-34, in 2013: p=0.01W
  23. Difference in (excellent/very good) self-rated health by smoking status, age 35-44, in 2013: p=0.005W
  24. Difference in (excellent/very good) self-rated health by smoking status, age 45+, in 2013: p<0.0001W
  25. Difference in self-rated mental health (excellent/very good vs. other) by smoking status in 2013: p<0.0001W
  26. Difference in (excellent/very good) self-rated mental health by smoking status, age 15-19, in 2013: p<0.0001W
  27. Difference in (excellent/very good) self-rated mental health by smoking status, age 20-24, in 2013: p=0.006W (0.002 if 3 age groups)
  28. Difference in (excellent/very good) self-rated mental health by smoking status, age 25-34, in 2013: p=0.25W (0.002 if 3 age groups)
  29. Difference in (excellent/very good) self-rated mental health by smoking status, age 35-44, in 2013: p=0.46W (0.03 if 3 age groups)
  30. Difference in (excellent/very good) self-rated mental health by smoking status, age 45+, in 2013: p<0.0001W
  31. Difference in smoking prevalence between provinces in 2013: p<0.0001W
  32. Difference in consumption between provinces in 2013: p=0.28F
  33. Difference in cigar use between males and females in 2013: p<0.0001W
  34. Difference in cigarillo use between males and females in 2013: p<0.0001W35-40
  35. Difference in pipe use between males and females in 2013: p=0.02W
  36. NOTE: Difference in chewing tobacco/snuff use between males and females in 2013 was not calculated due to low number of female users
  37. Difference in waterpipe use between males and females in 2013: p=0.84W
  38. Difference in cigarillo use between (4) age groups in 2013: p<0.0001W
  39. Difference in cigar use between (3) age groups in 2013: p=0.002W
  40. Difference in pipe use between (3) age groups in 2013: p=0.006W
  41. Difference in chewing tobacco/snuff use between (2) age groups in 2013: p=0.02W
  42. Difference in waterpipe use between (2) age groups in 2013: p<0.0001W
  43. Difference in cigar/cigarillo use between provinces in 2013: p=0.001W
  44. Difference in any SHS exposure in past month between males and females in 2013: p<0.0001W
  45. Difference in any SHS exposure in past month between age groups in 2013: p<0.0001W
  46. Difference in any SHS exposure in past month by smoking status in 2013: p<0.0001W
  47. Difference in quitter percentage between males and females in 2013: p=0.62W
  48. Difference in ever smoking between males and females in 2013: p<0.0001W
  49. Difference in current smoking between males and females in 2013: p=0.02W
  50. Difference in quitter percentage between age groups in 2013: p<0.0001W
  51. Difference in 6-month quit intentions between 2012 and 2013: p=0.64W
  52. Difference in 30-day quit intentions between 2012 and 2013: p=0.34W
  53. Difference in 6-month quit intentions between males and females in 2013: p=0.006W
  54. Difference in 30-day quit intentions between males and females in 2013: p=0.009W
  55. Difference in 6-month quit intentions between age groups in 2013: p=0.17W
  56. Difference in 30-day quit intentions between age groups in 2013: p=0.86W
  57. Difference in having made a quit attempt in the past year between 2012 and 2013: p=0.44W
  58. Difference in having made a quit attempt in the past year between males and females in 2013: p=0.0003W
  59. Difference in having made a quit attempt in the past year between age groups in 2013: p=0.008W
  60. Difference in quit success (among past-year attempters) between 2012 and 2013: p=0.45W
  61. Difference in quit success (among past-year attempters) between males and females in 2013: p=0.84W
  62. Difference in quit success (among past-year attempters) between age groups in 2013: p=0.29W
  63. Difference in citing health as the main reason for quitting between males and females in 2013: p=0.09W
  64. Difference in citing health as the main reason for quitting between age groups in 2013: p=0.34W
  65. Difference in ever trying a cigarette between males and females in 2012-13, Grades 6-9: p=0.0002W
  66. Difference in ever trying a cigarette between 2010-11 and 2012-13, Grades 6-9: p=0.11W
  67. Difference in ever trying a cigarette between provinces in 2012-13, Grades 6-9: p<0.0001W
  68. Difference in ever smoking a whole cigarette between 2012 and 2013, age 15-19: p=0.008W
  69. Difference in ever smoking a whole cigarette among females between 2012 and 2013, age 15-19: p<0.0001W
  70. Difference in ever smoking a whole cigarette between males and females in 2013, age 15-19: p<0.0001W
  71. Difference in susceptibility between 2010-11 and 2012-13, Grades 6-9: p=0.17W
  72. Difference in susceptibility between males and females in 2012-13, Grades 6-9: p=0.95W
  73. Difference in susceptibility between provinces in 2012-13, Grades 6-9: p=0.002W
  74. Difference in smoking prevalence between 2010-11 and 2012-13, Grades 6-9: p=0.48W
  75. Difference in daily smoking prevalence between 2010-11 and 2012-13, Grades 6-9: p=0.76W
  76. Difference in non-daily smoking prevalence between 2010-11 and 2012-13, Grades 6-9: p=0.40W
  77. Difference in smoking prevalence between 2012 and 2013, age 15-19: p=0.89W
  78. Difference in daily smoking prevalence between 2012 and 2013, age 15-19: p=0.12W
  79. Difference in non-daily smoking prevalence between 2012 and 2013, age 15-19: p=0.09W
  80. Difference in smoking prevalence between males and females in 2012-13, Grades 6-9: p=0.26W
  81. Difference in smoking prevalence between males and females in 2013, age 15-19: p=0.003W
  82. Difference in smoking prevalence between provinces in 2012-13, Grades 6-9: p<0.0001W
  83. Difference in smoking prevalence between provinces in 2013, age 15-19: p=0.53W
  84. Difference in consumption between 2010-11 and 2012-13, Grades 7-9: p=0.36F
  85. Difference in consumption between 2012 and 2013, age 15-19: p=0.17F
  86. Difference in consumption between males and females in 2012-13, Grades 7-9: p=0.20F
  87. Difference in consumption between males and females in 2013, age 15-19: p=0.44F
  88. Difference in cigar/cigarillo use between 2012 and 2013, age 15-19: p=0.37W
  89. Difference in chewing tobacco/snuff use between 2012 and 2013, age 15-19: p=0.53W
  90. Difference in cigar/cigarillo use between 2010-11 and 2012-13, Grades 6-9: p=0.24W
  91. Difference in pipe use between 2010-11 and 2012-13, Grades 6-9: p=0.36W
  92. Difference in smokeless tobacco use between 2010-11 and 2012-13, Grades 6-9: p=0.87W
  93. Difference in cigar use between males and females in 2013, age 15-19: p<0.0001W
  94. Difference in cigarillo use between males and females in 2013, age 15-19: p<0.0001W
  95. Difference in chewing tobacco/snuff use between males and females in 2013, age 15-19: p<0.0001W
  96. Difference in waterpipe use between males and females in 2013, age 15-19: p=0.0002W
  97. Difference in cigar/cigarillo use between males and females in 2012-13, Grades 6-9: p<0.0001W
  98. Difference in pipe use between males and females in 2012-13, Grades 6-9: p<0.0001W
  99. Difference in smokeless tobacco use between males and females in 2012-13, Grades 6-9: p<0.0001W
  100. Difference in waterpipe use between males and females in 2012-13, Grades 6-9: p=0.005W
  101. Difference in cigar/cigarillo use between provinces in 2012-13, Grades 6-9: p<0.0001W
  102. Difference in pipe use between provinces in 2012-13, Grades 6-9: p<0.0001W
  103. Difference in smokeless tobacco use between provinces in 2012-13, Grades 6-9: p<0.0001W
  104. Difference in waterpipe use between provinces in 2012-13, Grades 6-9: p<0.0001W
  105. Difference in cigarillo use between provinces in 2013, age 15-19: p<0.0001W
  106. Difference in waterpipe use between provinces in 2013, age 15-19: p<0.0001W
  107. Difference in chewing tobacco/snuff use between provinces in 2013, age 15-19: p=0.004W
  108. Difference in cigar use between provinces in 2013, age 15-19: p=0.18W
  109. Difference in ever having made a quit attempt between 2010-11 and 2012-13, Grade 6-9 smokers: p=0.95W
  110. Difference in having made a quit attempt in the past 12 months between 2012 and 2013, smokers age 15-19: p=0.33W