Research Article

Obesity Is Associated with Early Onset of Gastrointestinal Cancers in California

Table 3

Reduction in cancer diagnosis age associated with risk factors (covariates from multivariate linear regression, expressed in covariate ± standard error).

Esophageal cancerPancreatic cancerColorectal cancerGastric cancer

Morbid obesityb−7.67 ± 1.26a−8.19 ± 1.25a−7.75 ± 0.30a−5.48 ± 0.96a
Obesityb−4.73 ± 0.73a−5.35 ± 0.72a−4.56 ± 0.18a−3.25 ± 0.53a
Smoking−1.66 ± 0.26a−1.68 ± 0.26a−0.33 ± 0.11a−0.71 ± 0.25a
Alcoholism−4.34 ± 0.45a−3.70 ± 0.47a−2.90 ± 0.26a−5.29 ± 0.54a
Male−3.24 ± 0.29a−3.32 ± 0.29a−2.52 ± 0.08a−0.94 ± 0.21a
Crohn’s−7.45 ± 0.79a
Ulcerative colitis−8.45 ± 0.56a
Residual72.3 ± 0.2672.1 ± 0.2670.1 ± 0.0669.4 ± 0.16

aDenotes statistical significance with value < 0.05. bReduction in cancer onset age represents estimates using nonobese population as reference group.