Long Term Movement Monitoring Database

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This dataset and its collection methods are described in

A. Weiss, M. Brozgol, M. Dorfman, T. Herman, S. Shema, N. Giladi, J.M. Hausdorff, Does the Evaluation of Gait Quality During Daily Life Provide Insight Into Fall Risk? : A Novel Approach Using 3-Day Accelerometer Recordings. Neurorehabil Neural Repair, 17 June 2013, DOI: 10.1177/1545968313491004.

The data set is also used in

E.A.F. Ihlen, A. Weiss, J.L. Helbostad, J.M. Hausdorff, The Discriminant Value of Phase-Dependent Local Dynamic Stability of Daily Life Walking in Older Adult Community-Dwelling Fallers and Nonfallers. BioMed Research International, vol. 2015, Article ID 402596. doi:10.1155/2015/402596.

When referencing this material, please include the standard citation for PhysioNet:

Goldberger AL, Amaral LAN, Glass L, Hausdorff JM, Ivanov PCh, Mark RG, Mietus JE, Moody GB, Peng C-K, Stanley HE. PhysioBank, PhysioToolkit, and PhysioNet: Components of a New Research Resource for Complex Physiologic Signals. Circulation 101(23):e215-e220 [Circulation Electronic Pages; http://circ.ahajournals.org/cgi/content/full/101/23/e215]; 2000 (June 13).

The LTMM database contains 3-day 3D accelerometer recordings of 71 elder community residents, used to study gait, stability, and fall risk.

Subjects

Seventy-one community-living elder adults (mean age = 78.36 ± 4.71 years; range = 65-87 years) were studied. Subjects were included if they were not previously clinically diagnosed with any gait or balance disorders, and if they were cognitively intact, with a Mini-Mental State Examination score above 24 points. Subjects were classified as fallers and nonfallers based on their self-report of previous falls. If subjects had at least 2 falls in the past year, they were considered fallers, otherwise they were considered non-fallers.

Experimental Procedure

The subjects underwent multiple protocols and evaluations:

Clinical and Traditional Fall Risk Assessment: Functional performance based assessments were performed in the laboratory including the Dynamic Gait Index (DGI), the Berg Balance Scale (BBS), the Timed Up and Go test (TUG), and the Four Square Step Test (FSST). The Mini Mental State Examination (MMSE) and the Activities-specific Balance Confidence scale (ABC) were also performed. The results of these afforementioned tests can be found from column 29 of the ClinicalDemogData_COFL.xlsx spreadsheet.
Gait assessment in the Lab: Participants walked for 1 minute at a comfortable, self-selected speed while wearing a gait belt. A 3D accelerometer was worn on the lower back to quantify gait using previously validated methods. The accelerometer files recordings of these tests can be found in the LabWalks directory in MIT format.
Three-day Activities of Daily Living Assessment: After performing tests in the laboratory, participants were asked to wear a 3D accelerometer on their lower back for 3 consecutive days (except during activities like showering or swimming). Subjects received a diary for tracking when and why they took off and put on the device, shown in the ReportHome75h.xlsx spreadsheet. These are the main recordings of this database and can be found in MIT format below.

Files

General Information Files
- The ClinicalDemogData_COFL.xlsx spreadsheet contains information about the subjects such as their age, gender, and how many times they fell within the last year, and the results of the performed clinical tests.
- The ReportHome75h.xlsx spreadsheet contains self-reported events by the subjects regarding when and why they put on and removed their accelerometers over their three day recordings.
High Resolution Accelerometer Recording Files
- The three day 3D accelerometer recordings are in standard MIT format, with each one containing a binary signal (.dat) file and a corresponding header (.hea)file used to interpret the signals. The file names are in the form CO0NN for non-fallers or FO0NN for fallers, where NN is the subject number for that group.
- The 1 minute lab walk recordings within the LabWalks directory are in the same format as the three day recordings described above. The file names are also in a similar form.

 Name                        Last modified      Size  Description
 Parent Directory                                 -   
 CO001.dat                   2016-05-19 11:43  196M  digitized signal(s)
 CO001.hea                   2016-06-14 11:11  434   header file
 CO002.dat                   2016-05-19 11:44  309M  digitized signal(s)
 CO002.hea                   2016-06-14 11:11  431   header file
 CO003.dat                   2016-05-19 11:44  309M  digitized signal(s)
 CO003.hea                   2016-06-14 11:11  437   header file
 CO004.dat                   2016-05-19 11:44  309M  digitized signal(s)
 CO004.hea                   2016-06-14 11:11  441   header file
 CO005.dat                   2016-05-19 11:44  298M  digitized signal(s)
 CO005.hea                   2016-06-14 11:11  438   header file
 CO006.dat                   2016-05-19 11:44  309M  digitized signal(s)
 CO006.hea                   2016-06-14 11:11  437   header file
 CO007.dat                   2016-05-19 11:44  309M  digitized signal(s)
 CO007.hea                   2016-06-14 11:11  439   header file
 CO008.dat                   2016-05-19 11:45  309M  digitized signal(s)
 CO008.hea                   2016-06-14 11:11  441   header file
 CO009.dat                   2016-05-19 11:45  309M  digitized signal(s)
 CO009.hea                   2016-06-14 11:11  437   header file
 CO010.dat                   2016-05-19 11:45  309M  digitized signal(s)
 CO010.hea                   2016-06-14 11:11  433   header file
 CO011.dat                   2016-05-19 11:46  271M  digitized signal(s)
 CO011.hea                   2016-06-14 11:11  435   header file
 CO012.dat                   2016-05-19 11:46  309M  digitized signal(s)
 CO012.hea                   2016-06-14 11:11  439   header file
 CO013.dat                   2016-05-19 11:47  309M  digitized signal(s)
 CO013.hea                   2016-06-14 11:11  441   header file
 CO014.dat                   2016-05-19 11:47  235M  digitized signal(s)
 CO014.hea                   2016-06-14 11:11  439   header file
 CO015.dat                   2016-05-19 11:48  309M  digitized signal(s)
 CO015.hea                   2016-06-14 11:11  441   header file
 CO016.dat                   2016-05-19 11:48  268M  digitized signal(s)
 CO016.hea                   2016-06-14 11:11  441   header file
 CO017.dat                   2016-05-19 11:49  309M  digitized signal(s)
 CO017.hea                   2016-06-14 11:11  443   header file
 CO018.dat                   2016-05-19 11:49  291M  digitized signal(s)
 CO018.hea                   2016-06-14 11:11  440   header file
 CO019.dat                   2016-05-19 11:50  266M  digitized signal(s)
 CO019.hea                   2016-06-14 11:11  438   header file
 CO020.dat                   2016-05-19 11:50  309M  digitized signal(s)
 CO020.hea                   2016-06-14 11:11  439   header file
 CO021.dat                   2016-05-19 11:51  309M  digitized signal(s)
 CO021.hea                   2016-06-14 11:11  443   header file
 CO022.dat                   2016-05-19 11:51  296M  digitized signal(s)
 CO022.hea                   2016-06-14 11:11  434   header file
 CO023.dat                   2016-05-19 11:52  305M  digitized signal(s)
 CO023.hea                   2016-06-14 11:11  433   header file
 CO024.dat                   2016-05-19 11:52  303M  digitized signal(s)
 CO024.hea                   2016-06-14 11:11  434   header file
 CO025.dat                   2016-05-19 11:53  177M  digitized signal(s)
 CO025.hea                   2016-06-14 11:11  445   header file
 CO027.dat                   2016-05-19 11:53  207M  digitized signal(s)
 CO027.hea                   2016-06-14 11:11  443   header file
 CO028.dat                   2016-05-19 11:54  309M  digitized signal(s)
 CO028.hea                   2016-06-14 11:11  459   header file
 CO028_n.dat                 2016-05-19 11:54  309M  digitized signal(s)
 CO029.dat                   2016-05-19 11:54  309M  digitized signal(s)
 CO029.hea                   2016-06-14 11:11  452   header file
 CO029_n.dat                 2016-05-19 11:54  309M  digitized signal(s)
 CO030.dat                   2016-05-19 11:54  177M  digitized signal(s)
 CO030.hea                   2016-06-14 11:11  439   header file
 CO031.dat                   2016-05-19 11:55  309M  digitized signal(s)
 CO031.hea                   2016-06-14 11:11  441   header file
 CO032.dat                   2016-05-19 11:55  282M  digitized signal(s)
 CO032.hea                   2016-06-14 11:11  436   header file
 CO035.dat                   2016-05-19 11:56  302M  digitized signal(s)
 CO035.hea                   2016-06-14 11:11  437   header file
 CO036.dat                   2016-05-19 11:56  300M  digitized signal(s)
 CO036.hea                   2016-06-14 11:11  428   header file
 CO037.dat                   2016-05-19 11:57  294M  digitized signal(s)
 CO037.hea                   2016-06-14 11:11  425   header file
 CO038.dat                   2016-05-19 11:58  278M  digitized signal(s)
 CO038.hea                   2016-06-14 11:11  445   header file
 CO038_2.dat                 2016-05-19 11:57  277M  digitized signal(s)
 CO039.dat                   2016-05-19 11:58  302M  digitized signal(s)
 CO039.hea                   2016-06-14 11:11  434   header file
 CO040.dat                   2016-05-19 11:59  308M  digitized signal(s)
 CO040.hea                   2016-06-14 11:11  436   header file
 CO041.dat                   2016-05-19 11:59  309M  digitized signal(s)
 CO041.hea                   2016-06-14 11:11  434   header file
 CO042.dat                   2016-05-19 12:00  309M  digitized signal(s)
 CO042.hea                   2016-06-14 11:11  436   header file
 CO044.dat                   2016-05-19 12:00  300M  digitized signal(s)
 CO044.hea                   2016-06-14 11:11  434   header file
 ClinicalDemogData_COFL.xlsx 2016-06-20 09:38   30K  
 DOI                         2016-06-21 17:27   19   
 FL001.dat                   2016-05-19 12:01  281M  digitized signal(s)
 FL001.hea                   2016-06-14 11:11  439   header file
 FL004.dat                   2016-05-19 12:01  297M  digitized signal(s)
 FL004.hea                   2016-06-14 11:11  439   header file
 FL005.dat                   2016-05-19 12:02  277M  digitized signal(s)
 FL005.hea                   2016-06-14 11:11  438   header file
 FL006.dat                   2016-05-19 12:02  309M  digitized signal(s)
 FL006.hea                   2016-06-14 11:11  438   header file
 FL007.dat                   2016-05-19 12:03  309M  digitized signal(s)
 FL007.hea                   2016-06-14 11:11  441   header file
 FL008.dat                   2016-05-19 12:03  293M  digitized signal(s)
 FL008.hea                   2016-06-14 11:11  439   header file
 FL009.dat                   2016-05-19 12:03  103M  digitized signal(s)
 FL009.hea                   2016-06-14 11:11  444   header file
 FL010.dat                   2016-05-19 12:04  288M  digitized signal(s)
 FL010.hea                   2016-06-14 11:11  442   header file
 FL011.dat                   2016-05-19 12:04  309M  digitized signal(s)
 FL011.hea                   2016-06-14 11:11  440   header file
 FL014.dat                   2016-05-19 12:05  309M  digitized signal(s)
 FL014.hea                   2016-06-14 11:11  437   header file
 FL015.dat                   2016-05-19 12:06  309M  digitized signal(s)
 FL015.hea                   2016-06-14 11:11  443   header file
 FL016.dat                   2016-05-19 12:06  309M  digitized signal(s)
 FL016.hea                   2016-06-14 11:11  431   header file
 FL018.dat                   2016-05-19 12:07  303M  digitized signal(s)
 FL018.hea                   2016-06-14 11:11  436   header file
 FL019.dat                   2016-05-19 12:07  299M  digitized signal(s)
 FL019.hea                   2016-06-14 11:11  441   header file
 FL020.dat                   2016-05-19 12:08  309M  digitized signal(s)
 FL020.hea                   2016-06-14 11:11  438   header file
 FL021.dat                   2016-05-19 12:08  280M  digitized signal(s)
 FL021.hea                   2016-06-14 11:11  440   header file
 FL022.dat                   2016-05-19 12:09  309M  digitized signal(s)
 FL022.hea                   2016-06-14 11:11  437   header file
 FL023.dat                   2016-05-19 12:09  177M  digitized signal(s)
 FL023.hea                   2016-06-14 11:11  450   header file
 FL024.dat                   2016-05-19 12:10  309M  digitized signal(s)
 FL024.hea                   2016-06-14 11:11  443   header file
 FL025.dat                   2016-05-19 12:10  309M  digitized signal(s)
 FL025.hea                   2016-06-14 11:11  436   header file
 FL026.dat                   2016-05-19 12:11  288M  digitized signal(s)
 FL026.hea                   2016-06-14 11:11  432   header file
 FL027.dat                   2016-05-19 12:11  285M  digitized signal(s)
 FL027.hea                   2016-06-14 11:11  449   header file
 FL028.dat                   2016-05-19 12:11  203M  digitized signal(s)
 FL028.hea                   2016-06-14 11:11  437   header file
 FL029.dat                   2016-05-19 12:12  309M  digitized signal(s)
 FL029.hea                   2016-06-14 11:11  443   header file
 FL030.dat                   2016-05-19 12:13  309M  digitized signal(s)
 FL030.hea                   2016-06-14 11:11  438   header file
 FL031.dat                   2016-05-19 12:13  232M  digitized signal(s)
 FL031.hea                   2016-06-14 11:11  435   header file
 FL032.dat                   2016-05-19 12:13  288M  digitized signal(s)
 FL032.hea                   2016-06-14 11:11  438   header file
 FL033.dat                   2016-05-19 12:14  309M  digitized signal(s)
 FL033.hea                   2016-06-14 11:11  435   header file
 FL034.dat                   2016-05-19 12:15  309M  digitized signal(s)
 FL034.hea                   2016-06-14 11:11  443   header file
 FL035.dat                   2016-05-19 12:15  309M  digitized signal(s)
 FL035.hea                   2016-06-14 11:11  429   header file
 FL036.dat                   2016-05-19 12:16  297M  digitized signal(s)
 FL036.hea                   2016-06-14 11:11  435   header file
 LabWalks/                   2016-06-14 11:16    -   
 MD5SUMS                     2016-06-20 09:57  6.3K  
 RECORDS                     2016-06-14 11:27  1.8K  list of record names
 ReportHome75h.xlsx          2016-06-20 09:38   22K  
 SHA1SUMS                    2016-06-20 09:59  7.5K  
 SHA256SUMS                  2016-06-20 10:04   11K

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Updated Friday, 28 October 2016 at 16:58 EDT

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