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Table 2 Correlation coefficient (r) from Pearson correlation analysis between cumulative cigarette consumption per capita (per stick) and age-standardized incidence and mortality rates in Hong Kong, 1991–2008

From: Secular trends of salted fish consumption and nasopharyngeal carcinoma: a multi-jurisdiction ecological study in 8 regions from 3 continents

Year of cumulative cigarette consumption per capita Age-standardized incidence rate Age-standardized mortality rates
  Male Female Male Female
0 0.694* 0.735* 0.598* 0.446
5 0.646* 0.685* 0.768* 0.592*
10 0.635 0.625 0.941* 0.563
  1. * Significant at 0.05 level.