Factors affecting serum zinc concentrations in the U.S. population

Factors affecting serum zinc concentrations in the U.S. population: National Health and Nutrition Examination Survey (2011-2014)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN96013840

Enrollment

4347

Registered

2018-01-09

Start date

2011-01-01

Completion date

Unknown

Last updated

2018-07-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Serum zinc concentration Not Applicable

Interventions

Data were extracted from a preexisting public database – a nationally representative survey of the US population, the National Health and Nutrition Examination Survey (NHANES). All data used have prev

http://cdc.gov/NCHS/nhanes.htm) and does not contain any personal identifiers. Standard statistical methods for analysis of weighted population NHANES datasets were employed, including multiple regres

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Data from those aged = 6 years participating in NHANES, 2011-2014 with serum zinc values (~1/3 of sample) were used for these analyses 2. Data for pregnant (n=34) or lactating females (n =20) were separated and analyzed separately

Exclusion criteria

Exclusion criteria: Volunteers without a serum zinc value were excluded from this analysis

Design outcomes

Primary

Measure	Time frame
Serum zinc concentration in the U.S. population and factors affecting serum zinc using the National Health and Nutrition Examination Survey 2011-2014	—

Secondary

Measure	Time frame
Prevalence of low serum zinc in the U.S. population using serum zinc concentrations from the National Health and Nutrition Examination Survey 2011-2014	—

Countries

United States of America

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 5, 2026