Table 4
Beta (β) regression coefficient from multivariate regression analysis of NPC age-standardized incidence and mortality rates on cumulative salted fish (per kg), cigarette (per stick) and fresh vegetable consumption (per kg) in Hong Kong, 1991–2008
Cumulative window (Years) Independent variable Age-standardized incidence rate Age-standardized mortality rates
Male Female Male Female
0 Salted fish 0.473 0.345 0.463 0.238
Smoking 0.195 0.321 0.145 0.189
Fresh-vegetables −0.213 −0.249 −0.140 −0.119
5 Salted fish 2.744* 1.740 1.324 1.607
Smoking −2.694* −1.589 −0.814 −1.501
Fresh-vegetables −0.917* −0.794* −0.402 −0.725
10 Salted fish 2.077 0.339 0.289 1.992
Smoking −3.142* −2.038 0.306 −1.571
Fresh-vegetables −1.793* −2.408* −0.363 −0.252

* Significant at 0.05 level.

Cumulative salted fish consumption per capita was estimated from FAO commodity statistics on fish, dried, salted or smoked.

Lau et al.

Lau et al. BMC Cancer 2013 13:298   doi:10.1186/1471-2407-13-298

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