Nurses Health Study I (NHS I)

General Information

Name: 
Nurses Health Study I
Short Name: 
NHS I
Where was the information about this study obtained from?: 
Publicly available sources of information
Marker paper: 
Colditz GA, Manson JE, Hankinson SE. The Nurses' Health Study: 20-year contribution to the understanding of health among women. Journal of women’s health, 1997; 6(1): 49-62.
Pubmed ID: 

Methods

Study Design: 
Prospective cohort study
Recruitment start date: 
June, 1976
Is recruitment continuing?: 
No
Recruitment end date: 
December, 1976
Type of people (individuals, families, twins etc.) targeted by the study design: 
Individuals
Target number of participants to be recruited to the study: 
121 700
Actual number of participants recruited to the study: 
121 700
recorded on Dec 1976

Broad categories of ethnic and racial groups recruited

Approximate number of participants that are of Hispanic or Latino origin: 
613

Approximate number of participants in each main racial group represented in the study:
African / African-American / Black: 
1421
European / White: 
75584
Other group: 
(Asian) 801

Available Information

Health Information: 
Anthropometric traits (e.g. BMI, waist circumference) at baseline
Anthropometric traits (e.g. BMI, waist circumference) during follow up
Glycaemic traits (e.g. glucose, insulin) during follow up
Prevalent type 1 diabetes at baseline
Incident type 1 diabetes during follow up
Prevalent type 2 diabetes at baseline
Incident type 2 diabetes during follow up
Incident gestational diabetes during follow up
Does the study have any measures of diet?: 
Yes
Does the study have any measures of physical activity?: 
Yes
Does the study have DNA extracted or have a potential source of DNA?: 
Yes

Populations from which the sample(s) is drawn

NHS I

Selection criteria: 
Gender:
Women only
Age:
Minimum 30, maximum 55
Country:
United States
Area of residence:
Both urban and rural
Pregnant women:
No
Newborn:
No
Migration status:
No
Sources of recruitment: 
Specific population:
Other specific population:
The participants are all nurses whose nursing boards agreed to supply the study with their members' names and addresses at enrollment.