ActiGraph ACTITRAINER Bedienungsanleitung

IPEN Adolescent Accelerometer Data Collection Training Kelli L. Cain, M.A. Project Manager, Accelerometer Coordinator IPEN Coordinating Center Univer

IPEN Adolescent Accelerometer Data Collection Guidelines  Accelerometer Wearing and School Times Log:  Participant completes  ‘Due dates’ may help

 Downloading Data  Screening Data  Electronic Tracking  Data Transfer  Quality Control  Data Scoring for your own country PART 3: POST-DATA C

Data Scoring Kelli L. Cain, San Diego May 2014

Program Non-wearing time within valid days is coded as such during this cleaning process. We use -999. Select level of output: Summary, Daily, Hourly,

Saving wear time You select the days to be scored. We recommend saving ALL wearing time. DO NOT save “drop-off” or “pick-up” day. Kelli L. Cain, San

Pointers  Scan, take a snapshot of a day (don’t get caught up in the minutes, step back and look at the day as a whole)  Trust your judgment and if

Combining re-wear files  Clean each wear file and save wear days  Open each MPD file in Notepad  Copy data from 2nd wearing to end of 1st wearing f

Scoring Data (MPD files)  There are a few things to configure in MeterPlus before batch scoring your files  Cut-points  Filename variables  Energy

Programming cut-points (Tools/Options) Create Groups Add/Edit Cut-points Kelli L. Cain, San Diego May 2014

Filename variables (Tools/options) Enter sample file name (ADD) Designate character positions Name your variables Kelli L. Cain, San Diego May 2014

Settings for bouts (Tools/Options) Moderate activity lower threshold cut-point for adults (Freedson) for 60s epoch Moderate activity upper threshold c

IPEN Adolescent Accelerometer Data Collection Guidelines  Tracking:  IMPORTANT: Record researcher days (i.e., drop off days, pick-up days) so they

Energy expenditure (Tools/Options) Choice of 3 algorithms Kelli L. Cain, San Diego May 2014

Time filters (Tools/Options) Select days of the week & times per day (e.g., after-school hours) to summarize activity. Kelli L. Cain, San Diego Ma

Age and weight files (Reports/Scoring) Link to subject age and body weight files to use age-defined cut-points within the same batch (i.e., age-specif

Batch scoring (Reports/Scoring) One step Create Where to save processed CSV file for entire sample Where to find individual files to proc

Output File type Description CSV Comma-delimited file containing the results of the batch scoring including activity counts, step counts, bouts and

Activity, Bouts, EE variables Energy Expenditure Bouts Activity Serial number, start date, # valid days & hours, number of epochs in each activit

Output: Activity variables Start date, number of valid days, number of valid hours, and number of epochs in each activity category across all valid da

Output: Bouts variables Number of bouts, total and average length of bouts, start and end times of each bout. A. D1_bout_num = 1 bout of activity in

Output: Energy expenditure variables Total caloric expenditure, mean caloric expenditure, peak caloric expenditure and caloric expenditure in each act

Output: Time-filtered variables Activity counts during each defined time period, within each activity category, for each day of data. A A. D1T1_m

IPEN Adolescent Accelerometer Data Collection Guidelines  Major holidays and school breaks:  Activity patterns tend to be different during major hol

 About the Actigraph  Preparing for Data Collection  Charging, Initializing, & Delivering  Compliance Tips and Prompting  Tracking PART 2:

How the accelerometer determines PA intensity  It contains a motion sensor known as an “accelerometer” that monitors the occurrence and degree of mo

 Can collect data in 1, 2, or 3 planes of movement (vertical, horizontal and medial-lateral) – however, for IPEN we will only use the vertical axis.

Same as the GT3X except…  Collects raw data and epoch and filter are applied when downloading  Lithium battery lasts about 30 days before needing to

 It records overall movement, much like a pedometer  It’s harmless – it runs on a battery, like your watch  There isn’t an ‘on’ and ‘off’ switch

 The accelerometer will tell us how much you exercise, walk, jog, etc.  Make sure to move a lot while you’re wearing the device!  You live in a wal

 About the Actigraph  Preparing for Data Collection  Charging, Initializing, & Delivering  Compliance Tips and Prompting  Tracking PART 2:

Overview Kelli L. Cain, San Diego May 2014 PART 1: OVERVIEW FOR EVERYONE  Coordinating Center Roles  IPEN Adolescent Accelerometer Data Collection G

What do you need? Kelli L. Cain, San Diego May 2014  Actigraphs  Label each device  Inventory in database  Price = $250 each  Charging hub  N

What do you need? Kelli L. Cain, San Diego May 2014  Actilife  initialize, download and create graphs  Price = $995  www.theactigraph.com  Mete

Determining Inventory Needs  A 7-day wear ties up 1 device for 11-14 days 1 day prep + 1 pre-wear day + 7 day wear + 1-4 post wear days +1 day

Device Inventory Form Kelli L. Cain, San Diego May 2014

Staffing  At least a 50% FTE will be needed to manage the equipment initialization and downloading (can include prompt calling)  At least a 50% FTE

 About the Actigraph  Preparing for Data Collection  Charging, Initializing, & Delivering  Compliance Tips and Prompting  Tracking PART

2. Initialize Initialize device to begin collecting data using the Actilife software 5.Enough time? Decide if enough valid data has been coll

Charging  Storage capacity exceeds battery life, so getting a unit charged is ALWAYS the primary concern  Charging (& downloading) is done via

2. Initialize Initialize device to begin collecting data using the Actilife software 5.Enough time? Decide if enough valid data has been coll

Initializing  The ActiLife software & drivers must be installed on any computer on which ActiGraph initialization and/or downloading will occur

Coordinating Center Roles  Provide Training & Materials  Training slides and Manual  Tracking database  Wearing log and instructions  http://

Memory and Battery Considerations Kelli L. Cain, San Diego May 2014 Raw Data GT3X+ (256MB) GT3X+ (512MB) Sample Rate (Hz) Battery Life (Days) Memory L

Initializing Kelli L. Cain, San Diego May 2014 Don’t set start date too early, will use up battery. Try for the first full day of participant wearing.

Initializing GT3X+ Kelli L. Cain, San Diego May 2014 1. Select 30 Hz 2. Enable Idle Sleep Mode (ONLY if you need to save battery). Devices will enter

Initializing GT3X Kelli L. Cain, San Diego May 2014 1. Select 30sec Epochs or shorter if you have enough memory 2. Number of Axis= 3 3. Select Low Fr

Only field that is required Use File naming convention Kelli L. Cain, San Diego May 2014  The accelerometer filename is the only way the Coordina

IPEN file naming convention  IPEN will use a consistent file naming convention to identify all accelerometer files  It is required that this file n

Initializing Kelli L. Cain, San Diego May 2014 You’re done!

Logistics for in-person delivery  Linking Actigraph serial number to participant in the field  In field assign serial # to participant ID #  Make s

Delivery of Actigraph: Talking Points Kelli L. Cain, San Diego May 2014 How to wear the meter  Wear for 7 complete days  Wear for all waking hours –

Delivery of Actigraph: Checklist Kelli L. Cain, San Diego May 2014  Make link between device serial number and participant  Show participant the gra

IPEN Adolescent Accelerometer Data Collection Guidelines  Accelerometer Model  Data Filter  Epoch  Nonwear definition  Valid Wearing Day definit

Attaching the Belt & Wear position  Suggest several different size belts (30”, 40”, 50” – ask participant which size they want)  Take off one ha

 About the Actigraph  Preparing for Data Collection  Charging, Initializing, & Delivering  Compliance Tips and Prompting  Tracking PART 2:

Compliance Elements  Graphs  Instruction sheets with dates  Wearing log  Calls/Emails/Texts/Mailings– new studies coming out showing that texting

Graphs USE GRAPHS at device drop off “We can see if you don’t wear the device for long enough” “We will need to ask you to wear it again” Kell

Instructions • How to wear meter • Increase valid wearing time expectations • Provides an end date Kelli L. Cain, San Diego May 2014

Kelli L. Cain, San Diego May 2014 Log • Provides a daily assignment that might serve as a wearing reminder • Can be helpful when processing data

Phone calls Prompting Material Return Emails/Text Messages Mailings/Visits • First calls at the beginning of wearing to remind of criteria and proper

Prompt Calls  Calls made on Days 2 and 5 (text/email if don’t reach participant)  Reminder to wear  Check if on schedule  Troubleshoot problems o

Call Schedule Kelli L. Cain, San Diego May 2014 Action (MC=meter check-in call; MR=meter reminder call; PC=prompt call) Length of time before next con

Scheduling and tips for weekend compliance Kelli L. Cain, San Diego May 2014  Lower compliance on weekends, so recommend starting toward the end of

IPEN Adolescent Accelerometer Data Collection Guidelines  Accelerometer Model:  Any of the following ActiGraph models are fine: 7164/71256, GT1M, G

Letter for teachers, coaches Kelli L. Cain, San Diego May 2014  Explains accelerometer and study  May help reduce device removals for school,

Stickers, Incentives Kelli L. Cain, San Diego May 2014  Stickers of popular music/sports figures wearing ActiGraphs were a hit with young kids… but

Delivery and Compliance Training  Data collectors wear Actigraph for several days so they can speak from experience  Role playing for delivery of A

 About the Actigraph  Preparing for Data Collection  Charging, Initializing, & Delivering  Compliance Tips and Prompting  Tracking PART 2:

Access Tracking Database  Two functions: Track devices and track people  Device (tracking & inventory) form to track dates, wearing time, hist

Tracking Outgoing Devices Kelli L. Cain, San Diego May 2014

Track Recruitment and Visits Kelli L. Cain, San Diego May 2014

Track data collection and prompts Kelli L. Cain, San Diego May 2014

PART 2 COMPLETED! NEED TO STRETCH? EAT??? Kelli L. Cain, San Diego May 2014

 Downloading and Converting Data  Screening Data  Electronic Tracking  Data Transfer  Quality Control PART 3: POST-DATA COLLECTION Kelli L. Cai

IPEN Adolescent Accelerometer Data Collection Guidelines  Filter:  MUST USE the Low Frequency Extension with new generation Actigraphs (GT1M, ActiT

2. Initialize Initialize device to begin collecting data using the Actilife software 5.Enough time? Decide if enough valid data has been coll

Downloading data from GT3X Kelli L. Cain, San Diego May 2014 Use IPEN file naming convention

Downloading data from GT3X+ Kelli L. Cain, San Diego May 2014 Use IPEN file naming convention Create AGD file Epoch = 30s 3 axis Check all download op

AGD to DAT Epoch to epoch Kelli L. Cain, San Diego May 2014 Make sure you don’t select Data Table (CSV)

DAT to CSV Kelli L. Cain, San Diego May 2014 After converting an AGD file to DAT use the DAT converter to create a CSV file

 c Raw to AGD (GT3X+ only) Kelli L. Cain, San Diego May 2014 NOTE: you can go back and re-create the AGD file from the raw data file as many time

File Conversions – Actilife to MeterPlus Kelli L. Cain, San Diego May 2014 ActiLife (raw) GT3X file Actilife (epoch/

2. Initialize Initialize device to begin collecting data using the Actilife software 5.Enough time? Decide if enough valid data has been coll

Data screening  Looking for valid wear time & device malfunction  Invalid days and non wear days are not always obvious, screening catches

Screening data – Program Settings Kelli L. Cain, San Diego May 2014

IPEN Adolescent Accelerometer Data Collection Guidelines  Epoch:  Recommendation is to collect data with the shortest epoch your memory/battery wil

Screening data – Open file 2. Data displayed in list format 3. Click day open for detailed view of epoch-level data 1. Drag and drop file here 01_10

One line is ALWAYS 1 hr Top left cell is ALWAYS MIDNIGHT 9pm One column is ALWAYS 1 epoch (in this case 30s) • 1 min epoch: 60 data points per hour

WHY LOOK AT EPOCH-LEVEL DATA? Can’t distinguish between wear and nonwear days from the list view 13 hours (NONWEAR) 13 hours (WEARING) Kelli L. Cain,

Examples of data  Wearing time that matches documentation of wear dates – SAVE  Wearing time that is outside of documented wear dates – MAY SAVE OR

Wearing time, matches wear dates -SAVE Wearing days Mail day Wearing time looks straight forward. Use log to match up days AND do a manual check of e

Saving wear time You select the days to be scored based on documented wear dates and your observations of the data Kelli L. Cain, San Diego May 2014

Typical wearing day This is a typical wearing day. There are rows of zero counts during sleep and the activity starts at the 7th row, or 7am. There ar

Wearing time, doesn’t match wear dates – ONLY SAVE DOCUMENTED WEAR DATES Observed wearing days Documented wearing days Mail days Wearing time is NOT

Shift worker - SAVE Kelli L. Cain, San Diego May 2014

Overnight wearing Midnight Low counts of activity (typically <500 per minute) recorded overnight indicating the meter was worn during sleep. Flag t

IPEN Adolescent Accelerometer Data Collection Guidelines  Nonwear definition:  Recommendation is 60 minutes of consecutive 0’s to define nonwear ti

Non-wearing day This day has 9 valid hours but is NOT wearing time. There are a lot of zero counts and low values. The counts are sporadic and do not

Non-wearing day (mail day)– DO NOT SAVE This day is found in between wearing days and has 10 valid hours but is NOT wearing time. There are a lot of z

Red flag – 24 valid hours Unlikely pattern Kelli L. Cain, San Diego May 2014

Red flag – stops recording after 5 days This wouldn’t happen if battery was fully charged. Device is likely defective. Kelli L. Cain, San Diego May 20

Examples of invalid data (device malfunction) Constant, repeating number Counts >16,000, don’t have to fill entire day Other strange data patterns

2. Initialize Initialize device to begin collecting data using the Actilife software 5.Enough time? Decide if enough valid data has been coll

Rewear Decision 5 valid or more days (incl one 8 hr weekend) with 10+ valid hours? Are there any wearing days? Done, no rewear requested Contact part

Rewears (sample script in manual)  Data manager will make decision if rewear is needed  Ask participant for rewear  Reminder that re-wear is part o

 Downloading Data  Screening Data  Electronic Tracking  Data Transfer  Quality Control PART 3: POST-DATA COLLECTION Kelli L. Cain, San Diego Ma

Tracking Incoming Devices and Wear Time Screening Kelli L. Cain, San Diego May 2014

IPEN Adolescent Accelerometer Data Collection Guidelines  Valid Wearing Day definition:  Weekday: 10 wearing hours (commonly used and based on a

Tracking Data Problems, Time Out and Device Loss Kelli L. Cain, San Diego May 2014

Log Entry form Kelli L. Cain, San Diego May 2014

School Times Entry form Kelli L. Cain, San Diego May 2014

Track data collection and prompts Kelli L. Cain, San Diego May 2014

Tracking rewear  Track rewears in participant database  Remember to add a new record to meter tracking database for all re-wears  Stage (1=1st wear

 Downloading Data  Screening Data  Electronic Tracking  Data Transfer  Quality Control PART 3: POST-DATA COLLECTION Kelli L. Cain, San Diego Ma

Data Transfer  Weekly transfer of all accelerometer files to IPEN-CC  Send CSV files that you used for screening (not AGD files)  30 second epoch 

 Downloading Data  Screening Data  Electronic Tracking  Data Transfer  Quality Control PART 3: POST-DATA COLLECTION Kelli L. Cain, San Diego M

Quality Control  Actigraph Data Screening Checking  Ideally, same person would screen all the data  Regular reliability checks should be conducted

Certification  Certification materials available  Re-train if necessary and try again  Can give conditional certification, meaning you will check m