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1.  Body Mass Index and Risk of Death in Asian Americans 
American journal of public health  2014;104(3):520-525.
Objective
To investigate the association between body mass index (BMI) and mortality among Asian Americans
Methods
We pooled data from prospective cohort studies that included 20,672 Asian American adults with no history of cancer or heart disease at baseline. Hazard ratios and 95% confidence intervals (CI) were estimated using Cox proportional hazards models.
Results
A high, but not low, BMI was associated with an increased risk of total mortality among individuals 35–69 years old. BMI was not related to total mortality among individuals ≥70 years old. With a BMI 22.5–<25 as the reference category among 35–69 year old never smokers the hazard ratios (95% CI) for total mortality were 0.83 (0.47–1.47) for BMI 15–<18.5, 0.91 (0.62–1.32) for BMI 18.5–<20, 1.08 (0.86–1.36) for BMI 20–<22.5, 1.14 (0.90–1.44) for BMI 25–<27.5, 1.13 (0.79–1.62) for BMI 27.5–<30, 1.82 (1.25–2.64) for BMI 30–<35, and 2.09 (1.06–4.11) for BMI 35–50. Higher BMI was also related to an increased mortality from cardiovascular disease and cancer.
Conclusions
A high BMI is associated with increased risk of mortality among Asian Americans.
doi:10.2105/AJPH.2013.301573
PMCID: PMC3953786  PMID: 24432919
2.  Disparities in Breast Cancer Survival Among Asian Women by Ethnicity and Immigrant Status: A Population-Based Study 
American journal of public health  2010;100(5):861-869.
Objectives
We investigated heterogeneity in ethnic composition and immigrant status among US Asians as an explanation for disparities in breast cancer survival.
Methods
We enhanced data from the California Cancer Registry and the Surveillance, Epidemiology, and End Results program through linkage and imputation to examine the effect of immigrant status, neighborhood socioeconomic status, and ethnic enclave on mortality among Chinese, Japanese, Filipino, Korean, South Asian, and Vietnamese women diagnosed with breast cancer from 1988 to 2005 and followed through 2007.
Results
US-born women had similar mortality rates in all Asian ethnic groups except the Vietnamese, who had lower mortality risk (hazard ratio [HR]=0.3; 95% confidence interval [CI]=0.1, 0.9). Except for Japanese women, all foreign-born women had higher mortality than did US-born Japanese, the reference group. HRs ranged from 1.4 (95% CI=1.2, 1.7) among Koreans to 1.8 (95% CI=1.5, 2.2) among South Asians and Vietnamese. Little of this variation was explained by differences in disease characteristics.
Conclusions
Survival after breast cancer is poorer among foreign- than US-born Asians. Research on underlying factors is needed, along with increased awareness and targeted cancer control.
doi:10.2105/AJPH.2009.176651
PMCID: PMC2853623  PMID: 20299648
3.  Hidden Breast Cancer Disparities in Asian Women: Disaggregating Incidence Rates by Ethnicity and Migrant Status 
American journal of public health  2010;100(Suppl 1):S125-S131.
Objectives
We estimated trends in breast cancer incidence rates for specific Asian populations in California to determine if disparities exist by immigrant status and age.
Methods
To calculate rates by ethnicity and immigrant status, we obtained data for 1998 through 2004 cancer diagnoses from the California Cancer Registry and imputed immigrant status from Social Security Numbers for the 26% of cases with missing birthplace information. Population estimates were obtained from the 1990 and 2000 US Censuses.
Results
Breast cancer rates were higher among US- than among foreign-born Chinese (incidence rate ratio [IRR] = 1.84; 95% confidence interval [CI] = 1.72, 1.96) and Filipina women (IRR = 1.32; 95% CI=1.20, 1.44), but similar between US- and foreign-born Japanese women. US-born Chinese and Filipina women who were younger than 55 years had higher rates than did White women of the same age. Rates increased over time in most groups, as high as 4% per year among foreign-born Korean and US-born Filipina women. From 2000–2004, the rate among US-born Filipina women exceeded that of White women.
Conclusions
These findings challenge the notion that breast cancer rates are uniformly low across Asians and therefore suggest a need for increased awareness, targeted cancer control, and research to better understand underlying factors.
doi:10.2105/AJPH.2009.163931
PMCID: PMC2837454  PMID: 20147696

Results 1-3 (3)