Potato Consumption and Risk of Mortality

Study Overview
=================
Brief Summary
-----------------
Although previous studies have linked fried potato consumption with the incidence of mortality in the US population, the association between potato consumption and mortality in the Chinese population remains unknown.

Detailed Description
-----------------
This study investigated the association of potato, fried potato, unfried potato, and sweet potato consumption with the incidence of mortality in the China Health and Nutrition Survey (CHNS).We analyzed the CHNS data and the participants (n = 14,116) over 20 years old were followed for up to 22 years. The participants were initially free of cancer, myocardial infarction, apoplexy, and pregnancy. Potato consumption was assessed using validated semi-quantitative food questionnaires (FFQ) in interviews. In each wave of interviews, the participants' situations such as alive, dead, or dying was listed and the death months were recorded. Hazard ratios (HRs) and 95% confidence intervals (95% CIs) were estimated using Cox proportional hazard models with adjustment of potential confounders.In the CHNS cohort, total potato, fried potato, unfried potato, and sweet potato consumption were all strongly associated with a reduction in all-cause mortality in both Chinese women and men.

Official Title
-----------------
Potato Consumption and Mortality in Oriental Population: A 22-Year Longitudinal Nationwide Cohort Study

Conditions
-----------------
Morality

Participation Criteria
=================
Eligibility Criteria
-----------------
Inclusion Criteria: Adults aged 20-93 with complete data on diet and follow-up time Adults with no chronic disease history Exclusion Criteria: younger than 20 years old been reported to be pregnant , to have with myocardial infraction , apoplexy, and cancers

Ages Eligible for Study
-----------------
Minimum Age: 20 Years
Maximum Age: 93 Years

Sexes Eligible for Study
-----------------
All

Accepts Healthy Volunteers
-----------------
Accepts Healthy Volunteers

Study Plan
=================
How is the study designed?
-----------------
What is the study measuring?
-----------------
Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| mortality | All-cause mortality was the primary outcome of interest in this study. In the CHNS, mortality status was confirmed by reported information in each round of the survey. For each participant, the household register updated the information if they were alive and still present, dying, or dead, and the month of death was recorded. Years of follow-up were calculated from baseline until death or censoring on December 31, 2011, depending on which came first. | From entry into the study (baseline: 1989-2009) until 2011 | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Potato consumption | The frequency and the quantity of daily average consumption of total potatoes, sweet potatoes, fried potatoes, and unfried potatoes (g/day) based on 3-day 24-hr recall | From entry into the study (baseline: 1989-2009) until 2011 | 

 Terms related to the study
=================
Keywords Provided by Centre Hospitalier Valida
-----------------
potato consumption, CHNS, mortality, fried potato, sweet potato