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CTRI Number  CTRI/2018/05/014251 [Registered on: 30/05/2018] Trial Registered Retrospectively
Last Modified On: 29/05/2018
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   STUDY OF EAR PHONE USE ON AUDITORY REACTION TIME 
Scientific Title of Study   Study of Ear-Phone use on Auditory Reaction Time  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Rathod Ronak 
Designation  3rd year resident 
Affiliation  Government Medical College,Bhavnagar. 
Address  Department of Physiology,fourth floor,Government Medical College,Bhavnagar.
"purusharth",Plot number 4B,Rameshwar Society,Rawapar Road,Morbi-363641.
Bhavnagar
GUJARAT
364001
India 
Phone  9978442767  
Fax    
Email  rronak37@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DrRathod Ronak 
Designation  3rd year resident 
Affiliation  Government Medical College,Bhavnagar. 
Address  Fourth floor,Department of Physiology,Government Medical College,Near ST Bus station,Bhavnagar.
Purusharth,Plot number 4B,Rameshwar Society,Rawapar Road,Morbi-363641
Bhavnagar
GUJARAT
364001
India 
Phone  9978442767  
Fax    
Email  rronak37@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DrChinmay Shah 
Designation  Associate Professor 
Affiliation  Government Medical College,Bhavnagar. 
Address  Department of Physiology,fourth floor,Government Medical College,Bhavnagar.
A-1,Antarix,Opposite Pranav Flats,Ghogha circle,Bhavnagar.
Bhavnagar
GUJARAT
364001
India 
Phone  9328938008  
Fax  02782430808  
Email  cjshah79@yahoo.co.in  
 
Source of Monetary or Material Support  
Department Of Physiology for instrument of Reaction Time Machine.No Extra Monetary support Given Except Stipend. 
 
Primary Sponsor  
Name  Department of physiology 
Address  4th floor,Government medical college,Bhavnagar-364001 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Rathod Ronak  Government Medical College.  4th floor,Department of Physiology,Government Medical College,Bhvanagar-364001
Bhavnagar
GUJARAT 
09978442767

rronak37@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Review board  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Good 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIL  NIL 
Comparator Agent  NIL  NIL 
 
Inclusion Criteria  
Age From  17.00 Year(s)
Age To  20.00 Year(s)
Gender  Both 
Details  Normal healthy volunteers between the age group 17-20 years willing to give written informed consent.
Non-alcoholics, Non-smokers.
Earphone users (Since Three Years)
 
 
ExclusionCriteria 
Details  Who are not willing to give written consent.
Pathology or injury to the Upper limb.
History of hearing disorder, sleep disorder , smoking ,alcoholism ,cardiovascular and respiratory diseases or any medication affecting cognitive performance.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
From the above study we can conclude that there is statistically significant difference with and without earphone use. It was found that there is not statistically significant (p0.05) gender difference existed in auditory reaction time. Regarding gender our study concluded that overall male having faster reaction time than female but the difference is statistically insignificant(p0.05).   This study was done at same time between 3:00 PM to 5:00 PM. on 15th March to 22nd March, 2017. In this study subject selection is random so selection bias is eliminated 
 
Secondary Outcome  
Outcome  TimePoints 
In analysis part it was found that there is no statistical significant (p0.05) difference of overall mean of all three stimuli with and without ear phone use. Separate analysis for males found there is significant (p0.05) increase reaction time for first stimuli but thereafter there is no statistical significant (p0.05) difference for further 2 stimuli. This effect may be due to phenomenon of habituation after first auditory stimuli.
 
This study was done at same time between 3:00 PM to 5:00 PM. on 15th March to 22nd March, 2017. 
 
Target Sample Size   Total Sample Size="400"
Sample Size from India="400" 
Final Enrollment numbers achieved (Total)= "96"
Final Enrollment numbers achieved (India)="96" 
Phase of Trial   N/A 
Date of First Enrollment (India)   15/03/2017 
Date of Study Completion (India) 15/03/2018 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 15/03/2018 
Estimated Duration of Trial   Years="0"
Months="4"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details    
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary  

SUMMARY

From the above study we can conclude that there is statistically significant  difference with and without earphone use. It was found that there is not statistically significant (p>0.05) gender difference existed in auditory reaction time.

 Regarding gender our study concluded that overall male having faster reaction time than female but the difference is statistically insignificant(p>0.05). our study finding suggest that after intervention like ear phone female react faster than male counterpart compare to before intervention of ear phone which may suggest that intervention like ear phone may increase “mental set”  in case of female  and increase  “distracter set” in case of male after intervention of ear phone.

The link between increased risk for collision and ear phone use is also supported by the epidemiological studies. We believe that raising awareness about the risks associated with ear phones and driving is an important tool in discouraging the practice.

Study recommends that automobile manufacturers invest in promoting the safe use of ear phone and other hand held devices.  In this study the evidence is clear; driving while using ear phone is dangerous to the driver, their passengers and others on or near the roadway. Hands free usage by pedestrian also increase their cognitive distraction so increase chances of crash among pedestrian also.

The present study also recommend the importance of limited use of portable music players among young population and also making them aware of hazards posed by these devices on hearing, the use of which has become rampant over last few years. While ear phone driving bans themselves have garnered significant media and public attention, raising public awareness must be an essential part of any campaign to reduce this practice. We recommends that in addition to any legislative action, government and other interested parties sponsor a comprehensive public awareness campaign to inform the public about the risks of using ear phone and other hands free devices while driving.

 


 
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