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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Ann Epidemiol. 2011 Oct 28;22(1):37–42. doi: 10.1016/j.annepidem.2011.09.003

Table 3.

Risk of Breast Cancer (Hazard Rate) adjusted for Birth Cohort

Cleft Type Cleft Cases Mothers Sisters

Aggregate (all Cleft Cases) 1.23 (0.92–1.63) 0.93 (0.80–1.08) 0.94 (0.55–1.60)
CL 0.72 (0.36–1.44) 0.84 (0.63–1.11) 0.62 (0.20–1.92)
CLP 1.84 (1.21–2.79) 0.74 (0.56–0.97) 0.87 (0.36–2.10)
CP 1.13 (0.72–1.78) 1.29 (1.03–1.63) 1.41 (0.63–3.15)

Results in bold are significant (P < 0.05)