Table 2
Summary statistics for the cancer and comparison samples before and after matching and pruning

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Table 2
Summary statistics for the cancer and comparison samples before and after matching and pruning
Table summary
This table displays the results of Summary statistics for the cancer and comparison samples before and after matching and pruning Cancer sample , Comparison sample, Unmatched difference , Unmatched and Matched and reweighted , calculated using percent and percentage points units of measure (appearing as column headers).
  Cancer sample Comparison sample Unmatched difference
Unmatched Matched and reweighted
percent percentage points
Age (mean) at T 48.12 43.05 47.97 5.07Note ***
Coarsened age at T  
25 to 29 0.92 3.08 0.93 -2.16Note ***
30 to 34 6.62 13.92 6.63 -7.30Note ***
35 to 39 11.05 20.83 11.07 -9.78Note ***
40 to 44 14.13 20.29 14.15 -6.16Note ***
45 to 49 18.33 17.72 18.36 0.61
50 to 54 21.72 13.44 21.75 8.28Note ***
55 to 59 20.64 8.48 20.63 12.16Note ***
60 to 61Note † 6.59 2.24 6.48 4.34Note ***
Female 62.84 46.02 62.86 16.82Note ***
Highest level of schooling  
No high school 25.45 22.21 25.49 3.25Note ***
High school with/without trades certification 39.24 40.86 39.26 -1.62Note †
Postsecondary non-university 19.21 19.23 19.24 -0.02
University degree 16.10 17.70 16.01 -1.61Note *
Visible minority  
Non-minority 93.96 92.03 94.06 1.93Note ***
Asian 3.97 5.26 3.93 -1.30Note **
Other 2.08 2.71 2.01 -0.63Note *
Province/region at T-1  
Newfoundland 1.54 1.82 1.58 -0.28
Prince of Edward Island 0.77 0.51 0.74 0.26Note †
Nova Scotia 3.66 3.12 3.58 0.54
New Brunswick 2.97 2.53 2.85 0.43
Quebec 23.72 25.29 23.81 -1.57Note †
Ontario 32.19 36.18 32.35 -3.99Note ***
Manitoba 4.81 4.06 4.85 0.76Note †
Saskatchewan 3.58 3.60 3.54 -0.02
Alberta 12.01 9.98 12.09 2.03Note **
British Columbia 13.98 11.94 13.83 2.04Note **
Northern Territories 0.77 0.93 0.77 -0.16
Missing 0.00 0.04 0.02 -0.04
Year at T  
1992 9.90 12.18 9.91 -2.29Note **
1993 10.44 11.84 10.41 -1.40Note *
1994 10.71 11.50 10.68 -0.79
1995 10.94 11.27 10.91 -0.34
1996 11.55 11.05 11.57 0.50
1997 11.13 10.84 11.15 0.29
1998 11.36 10.58 11.38 0.78
1999 12.17 10.43 12.15 1.73Note **
2000 11.82 10.30 11.84 1.52Note *
  number
n 2,597 1,228,551 624,835 Note ...: not applicable
... not applicable
Note ***

significantly different from reference category (p<0.001)

Return to note *** referrer

Note **

significantly different from reference category (p<0.01)

Return to note ** referrer

Note *

significantly different from reference category (p<0.05)

Return to note * referrer

Note †

significantly different from reference category (p<0.10)

Return to note † referrer


Note: The last column displays mean differences (proportion) between cancer and comparison samples before matching; standard symbols indicate significance of t-test differences between these two groups. Ts are matching years which are years of cancer diagnosis for the cancer sample. n: number of observations. T-1: T minus 1. Author's calculations.
Source: Statistics Canada, 1991 Census–Longitudinal Worker File.
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