Medical
School
Worcester		 UMass Collaborative Research
Seasonal Cholesterol Study		 UMass
Amherst
Worc.: Prev.& behav. med. : Projects and studies Biostat/epid : SPHHS home : Amherst:

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Overview
Specific Aims
Importance
Background
Prelim. Studies

Methods
Study Design
Protocol
Data Collection
Analysis

Data
Introduction
Basic Data Sets
Variables Defs.
Codebook

Results
Working Papers
Publications
References

 
Data
 Print: Coding Manual: 100p
 
Basic Data Sets

Basic Data Sets- Basic data collected in the study are summarized in five basic data sets. These data sets are described below. The complete data sets are still undergoing analysis, and are not immediately publicly available. However, potential collaborators are encouraged to contact the Principal Investigator. A subset of the data in these data sets (for 100 subjects) is available for exploritory purposes.

Area
Name
(SAS
Contents)
Linking
Variables
Datasets & Zipped Data
Description

ALL Data

    
allseasons1.zip

All data sets in a single archive.
Baseline Data
 base1.sd2

ID

   Data that were collected at baseline only.
One year data
 oneyr1.sd2
ID
   Data that were collected at 1 year only
Annual data
 annual1.sd2

ID
QUARTER

  Data that were collected both at baseline and one year.

Quarterly Data
cbdqs6.sd2
ID
QUARTER
Q_DATE
quarter3.zip

Data for each season (quarter) including lipid data, 7DDR, BECK, and hormonal data

24-Hour Data
nht5.sd2
ID
QUARTER
Q_DATE
CALLDATE
twenty4hr1.zip

Data collected from 24 hour recalls, with length of day.

Actilume Data
act2.sd2
ID
actilume1.zip

Activity/light Actilume monitoring data

Weather Data
wav5.sd2
Q_DATE
weather1.zip

Weather data
Daylength daylen.sd2 DAY   Length of day, Sunrise and Sunset by Julian Day
Predicted Vars.
ID
QUARTER
Predicted and average variables from mixed models from 24-hr data.

Example Data

base.sd2
qtr.sd2
t4hr.sd2 weat1.sd2
weat2.sd2
weat3.sd2
ID
QUARTER
CALLDATE

Seasons-example.zip

Data for 100 white male, 100 white female, and non-white subjects for selected variables. Also, data on temperature and cloud cover for the first 4 days of each month, for 1996, and for all study times.
seacholv1.sas7bdat
ID QUARTER
   Cholesterol Data with 1 record per measure for 517 subjects in Seasons study

nut1.sd2

Codebook

 ID

nut1.sd2

nut1.xls

nut1.mtw


 Data for 100 white male, 100 white female, and non-white subjects for selected variables. When multiple measures are available of a variable, the average is reported. The variables include race, age, gender, smoking status, height, weight, body mass index, and average daily measures of total MET (activity), total fat intake, total carbohydrate intake, total protein intake, energy intake (kcal), total vitamin A intake, and alcohol intake.

Note: All data sets are on the UMASS Amherst Unix Computer: Account: Seasons

Flow Diagrams

Summary of Dataset Creation
Details of Dataset Creation
Old Basic Data Sets page
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Worc.: Prev.& behav. med. : Projects and studies 		Biostat/epid : SPHHS home : Amherst:
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 Produced and maintained by Ed Stanek at the School of Public Health and Health Sciences.
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 This page was last modified on May 16, 2006 .