International Journal of Current Research and Review
ISSN: 2231-2196 (Print)ISSN: 0975-5241 (Online)
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IJCRR - Vol 09 Issue 24, December, 2017

Pages: 14-19

Date of Publication: 26-Dec-2017


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Statistical Modelling for Job Satisfaction of Maharashtra State Road Transport Corporation Key Members

Author: Avinash S. Jagtap, Nilambari A. Jagtap, Pooja S. Zanjurne

Category: General Sciences

Abstract:Mobility is one of the characteristics of human beings; movement is the feature of human nature which simply means mere movement of persons from one place to another for getting comfort journey. Bus conductors and Drivers of MSRTC are serving to society. Moreover they can be considered as face of MSRTC as they are having direct contact with passengers. In this paper we study various factors affecting on the job satisfaction of conductors and drivers. Bus conductors and drivers are randomly selected as a sample. Their job satisfaction is analyzed through structured questionnaire. The first part of the questionnaire is focused on the personal information like age, education, number of family members, earning members etc. and second part is focused on the official information of the respondents like number of charge sheet, presentism and abstentism. The statistical analysis is done by using the statistical tools like Chi square test, linear discriminant analysis, multiple logistic regression. It is clear from this study that the working environmental factor affects the job satisfaction. The accuracy of fitted model is 67%. Linear Discriminant model has 96% accuracy.

Keywords: Job satisfaction, Health problem, Stepwise regression

DOI: 10.7324/IJCRR.2017.9243

Full Text:

Introduction: Traffic staff is one of the important factors for operating functions. Traffic staff includes drivers, conductors, traffic controllers, line checking staff, traffic inspectors and other traffic staff. The drivers and conductors are appointed with their services based on the sanctioned schedules, their work norms are set according to the provisions of Motor Transport Workers Act 1961 (MTW Act) which prescribes a daily steering duty of 8 hours and spread over duty of 12 hours.

Maharashtra State Road Transport Corporation(MSRTC) is a leading passenger road transport organization in India having fleet of over 18,000 buses and operating over 1,05,000 bus trips daily covering 58 lacks of Kms. MSRTC is aimed to provide punctual, safe, comfortable and economical services to the passengers. It spread in all over Maharashtra nearly 88% villages. MSRTC not only working in the area of providing transport facility to passengers but also it provide service carriage of parcels currier and Allied material by using the carriage of buses with consideration of given information MSRTC obviously need competent, motivated, trained ,satisfied and alert Human Resource for running one of the biggest public transport organizations of India. The following are two personnel who constitute the subject matter of study. As we know the conductors and drivers are Crew members (Conductors and Drivers) of MSRTC.

A bus conductor has to deal with thousands of passengers every day. Buses are two most important forms of public transport the other being trains. The burden of dealing with increasing number of commuters is very heavy. He has to behave well with the passenger and see to it that everyone is issued a right ticket, and thus increase passenger satisfaction, and in the process earn maximum revenue for the organization.

Job satisfaction is most important thing in any job. If the key members satisfy with their job then it tends to high quality of work they do. But they do not satisfy with their job it may be a serious issue because the key members have direct contact with public so that if they are unsatisfied with their job their behaviour is rood about passenger and this is one kind of the loss to MSRTC so that the checking crew member satisfaction with their job is important thing. With the help of this paper we will find which factor are strongly affecting on job satisfaction of key members. Also we find the association between variables.

Material and Methods:

            The present study is undertaken on the employees (Drivers and conductors) of selected MIDC ST Depot, Baramati, Dist. Pune of MSRTC. The study is mainly based on primary data collected from the respondent the drivers, conductors, driver cum conductors of MSRTC by way of structured questionnaire, to be precise, pre-coded. This interview schedule has been organised in two parts. The first part of the questionnaire is focused on the personal information like Age, Education, No. of family Members, Earning Members etc. and second part is focused on the official information of the respondents like number of charge sheet, presentism and abstentism. Here we use the variable like Ts/TTS/DW is the permanent, temporary, and contract basis.                             

Multiple logistic regression: This is one type of generalized linear model (GLM). Multiple Logistic Regression is used when response variable is binary. It is utilized for predicting the outcome of a categorical variable based on one or more independent variables.   Specific form of logistic regression model

             Π(x)=exp^(g(x))/[1+exp^g(x)]

 Generalized linear model: In a GLM the response variable distribution must only be a member of the exponential family which includes the normal, Poisson, binomial, exponential and gamma distribution as members. Distribution that the members of the exponential family have the general form

                               g(x)=β01X1+…………….+βp Xp 

We are interested in determining the future event, our response is binary for that purpose we use the GLM after getting the significant variable from cluster analysis we able to fit generalized linear model for our data. From the fitted model we can predict the future event.

Stepwise regression: Stepwise regression includes regression models in which the choice of predictive variables is carried out by an automatic procedure. Forward   Selection, which involves starting with no variables in the model, testing the addition of each variable using a chosen model comparison criterion, adding the variable (if any) that improves the model the most and repeating this process until   none improves the model. AIC –Akien’s Information Criteria: The general for calculating AIC is

          AIC= -2*ln (likelihood) +2*k

  AIC can also be calculated using residual sum of squares from regression,

            AIC=n*ln (RSS/n) +2*k

 Where, n is the number of data points, RSS is the residual sum of squares, AIC requires a bias-adjustment small sample size. From the stepwise regression we get the significant variables for regression models for our data. The model which has smallest value of AIC as compare to the other models it gives the best regression model   for our data.

Confusion Matrix: A Confusion Matrix is a visual performance assessment of a classification algorithm in the form of a table layout or matrix. Each column of the matrix represents predicted classifications and each row represents actual defined classifications. This representation is a useful way to help evaluate a classifier model. A well behaved model should produce a balanced matrix and have consisted percent correctness numbers for accuracy, recall, precision and F measure. Accuracy= (True positive + false positive)/ (total)

Precision=True   positives / (true positives + false positives).

To determine the accuracy of the fitted model we use the confusion matrix for the response variable.

 Linear Discriminant Analysis(LDA): Linear Discriminant analysis and the related fisher’s linear discriminant are methods used in statistics, pattern reorganization and machine learning to find a linear combination of features which characterizes or separate two or more class of objects or events.LDA is a closely related to analysis of variance and regression analysis, which also attempt to express one dependent variable as a linear combination of other features or measurements.

Data Analysis: The analysis includes chi-square test of independence to examine the nature of relationship between variables. The collected data will be analysed by using Multiple Logistic Regression Analysis.

Abbreviations : Faci: Facilities, San: Sanitary, Clean : Cleanness, Spac: Space, Rest : Rest house facility, Guest: Guest house facility, df : Degrees of freedom, Dist :Distance, SY: Service years, Pay: Payment, EM: Earning members , HP: Health problem, Ts: Time skill, famliym: Family members, JS : Job satisfaction, TPM : Transition probability matrix.

Association between job satisfaction and various environmental factors

 

Logistic regression

Model 1:

The regression equation is,

Job satisfaction ~Age+Space+Distance+Serviceyears+Payment+Earningmembers+Healthproblem+Timeskill+ status+Guest house

Start: AIC=130.5

Coefficients:

(Intercept)          Age         spac                   Dist

 -1.169e+00    2.422e-02    1.408e+00    1.175e-03 

         SY      familym          Pay           EM 

 -4.508e-02   -1.361e-02    3.914e-05    3.110e-01 

         HP           Ts           status        Guest 

 -9.731e-01   -5.486e-01   -7.272e-01    4.700e-01 

Degrees of Freedom: 91 Total (i.e. Null);  80 Residual

Null Deviance:      126

Residual Deviance: 106.5        AIC: 130.5

>summary(model)

Call:

glm(formula = JS ~ Age + spac + Dist + SY + familym + Pay + EM +

    HP + Ts +  status + Guest, family = "binomial", data = mydata)

 

Model 2:

> X=step(model)

Start:  AIC=130.46

JS ~ Age + spac + Dist + SY + familym + Pay + EM + HP + Ts +

     status + Guest

Model 3:
Step: AIC=126.67
JS ~ spac + Dist + SY + Pay + EM + HP + Ts + status +
Guest

Model 4:

Step:  AIC=124.96

JS ~ spac + Dist + SY + Pay + EM + HP + Ts + Guest

Model 5:

Step:  AIC=123.37

JS ~ spac + SY + Pay + EM + HP + Ts + Guest

 

Model 6:

Step:  AIC=121.93

JS ~ spac + SY + EM + HP + Ts + Guest

 

Model 7:

Step:  AIC=120.01

JS ~ spac + EM + HP + Ts + Guest

 

Model 8:

Step:  AIC=118.56

JS ~ spac + HP + Ts + Guest

Model 9:

JS ~ spac + HP + Ts

Deviance Residuals:

    Min       1Q   Median       3Q      Max 

-1.4745  -0.8385  -0.5272   0.9069   2.0210 

Degrees of Freedom: 91 Total (i.e. Null);  88 Residual

Null Deviance:      126

Residual Deviance: 109.5        AIC: 117.5

Pridictor

Estimate

Std.Error

Zvalue

Pr(>|Z|)

Intercept

-0.08131

0.65692

-0.124

0.9015

Spac

1.5404

0.47891

3.216

0.0013

HP

-1.0388

0.65307

-1.591

0.1117

Ts

-0.78322

0.49801

-1.573

 

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Best Article Award: 

One article from every issue is selected for the ‘Best Article Award’. Authors of selected ‘Best Article’ are rewarded with a certificate. IJCRR Editorial Board members select one ‘Best Article’ from the published issue based on originality, novelty, social usefulness of the work. The corresponding author of selected ‘Best Article Award’ is communicated and information of award is displayed on IJCRR’s website. Drop a mail to editor@ijcrr.com for more details.

Women Researcher Award:

This award is instituted to encourage women researchers to publish her work in IJCRR. Women researcher, who intends to publish her research work in IJCRR as the first author is eligible to apply for this award. Editorial Board members decide on the selection of women researchers based on the originality, novelty, and social contribution of the research work. The corresponding author of the selected manuscript is communicated and information is displayed on IJCRR’s website. Under this award selected women, the author is eligible for publication incentives. Drop a mail to editor@ijcrr.com for more details.

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‘Emerging Researcher Award’ is instituted to encourage student researchers to publish their work in IJCRR. Student researchers, who intend to publish their research or review work in IJCRR as the first author are eligible to apply for this award. Editorial Board members decide on the selection of student researchers for the said award based on originality, novelty, and social applicability of the research work. Under this award selected student researcher is eligible for publication incentives. Drop a mail to editor@ijcrr.com for more details.


Best Article Award

A Study by M. Muthu Uma Maheswari et al. entitled "A Study on C-reactive Protein and Liver Function Tests in Laboratory RT-PCR Positive Covid-19 Patients in a Tertiary Care Centre – A Retrospective Study" is awarded Best Article of Vol 13 issue 06 Special issue Modern approaches for diagnosis of COVID-19 and current status of awareness
A Study by Gainneos PD et al. entitled "A Comparative Evaluation of the Levels of Salivary IgA in HIV Affected Children and the Children of the General Population within the Age Group of 9 – 12 Years – A Cross-Sectional Study" is awarded Best Article of Vol 13 issue 05 Special issue on Recent Advances in Dentistry for better Oral Health
A Study by Alkhansa Mahmoud et al. entitled "mRNA Expression of Somatostatin Receptors (1-5) in MCF7 and MDA-MB231 Breast Cancer Cells" is awarded Best Article of Vol 13 issue 06
A Study by Chen YY and Ghazali SRB entitled "Lifetime Trauma, posttraumatic stress disorder Symptoms and Early Adolescence Risk Factors for Poor Physical Health Outcome Among Malaysian Adolescents" is awarded Best Article of Vol 13 issue 04 Special issue on Current Updates in Plant Biology to Medicine to Healthcare Awareness in Malaysia
A Study by Kumari PM et al. entitled "Study to Evaluate the Adverse Drug Reactions in a Tertiary Care Teaching Hospital in Tamilnadu - A Cross-Sectional Study" is awarded Best Article for Vol 13 issue 05
A Study by Anu et al. entitled "Effectiveness of Cytological Scoring Systems for Evaluation of Breast Lesion Cytology with its Histopathological Correlation" is awarded Best Article of Vol 13 issue 04
A Study by Sharipov R. Kh. et al. entitled "Interaction of Correction of Lipid Peroxidation Disorders with Oxibral" is awarded Best Article of Vol 13 issue 03
A Study by Tarek Elwakil et al. entitled "Led Light Photobiomodulation Effect on Wound Healing Combined with Phenytoin in Mice Model" is awarded Best Article of Vol 13 issue 02
A Study by Mohita Ray et al. entitled "Accuracy of Intra-Operative Frozen Section Consultation of Gastrointestinal Biopsy Samples in Correlation with the Final Histopathological Diagnosis" is awarded Best Article for Vol 13 issue 01
A Study by Badritdinova MN et al. entitled "Peculiarities of a Pain in Patients with Ischemic Heart Disease in the Presence of Individual Combines of the Metabolic Syndrome" is awarded Best Article for Vol 12 issue 24
A Study by Sindhu Priya E S et al. entitled "Neuroprotective activity of Pyrazolone Derivatives Against Paraquat-induced Oxidative Stress and Locomotor Impairment in Drosophila melanogaster" is awarded Best Article for Vol 12 issue 23
A Study by Habiba Suhail et al. entitled "Effect of Majoon Murmakki in Dysmenorrhoea (Usre Tams): A Standard Controlled Clinical Study" is awarded Best Article for Vol 12 issue 22
A Study by Ghaffar UB et al. entitled "Correlation between Height and Foot Length in Saudi Population in Majmaah, Saudi Arabia" is awarded Best Article for Vol 12 issue 21
A Study by Leow Jun Xian and Siti Sarah Binti Maidin entitled "Sleep Well: Mobile Application to Address Sleeping Problems" is awarded Best Article for Vol 12 issue 20
A Study by Avijit Singh et al. entitled "Comparison of Post Operative Clinical Outcomes Between “Made in India” TTK Chitra Mechanical Heart Valve Versus St Jude Mechanical Heart Valve in Valve Replacement Surgery" is awarded Best Article for Vol 12 issue 19
A Study by Sonali Banerjee and Mary Mathews N. entitled "Exploring Quality of Life and Perceived Experiences Among Couples Undergoing Fertility Treatment in Western India: A Mixed Methodology" is awarded Best Article for Vol 12 issue 18
A Study by Jabbar Desai et al. entitled "Prevalence of Obstructive Airway Disease in Patients with Ischemic Heart Disease and Hypertension" is awarded Best Article for Vol 12 issue 17
A Study by Juna Byun et al. entitled "Study on Difference in Coronavirus-19 Related Anxiety between Face-to-face and Non-face-to-face Classes among University Students in South Korea" is awarded Best Article for Vol 12 issue 16
A Study by Sudha Ramachandra & Vinay Chavan entitled "Enhanced-Hybrid-Age Layered Population Structure (E-Hybrid-ALPS): A Genetic Algorithm with Adaptive Crossover for Molecular Docking Studies of Drug Discovery Process" is awarded Best article for Vol 12 issue 15
A Study by Varsha M. Shindhe et al. entitled "A Study on Effect of Smokeless Tobacco on Pulmonary Function Tests in Class IV Workers of USM-KLE (Universiti Sains Malaysia-Karnataka Lingayat Education Society) International Medical Programme, Belagavi" is awarded Best article of Vol 12 issue 14, July 2020
A study by Amruta Choudhary et al. entitled "Family Planning Knowledge, Attitude and Practice Among Women of Reproductive Age from Rural Area of Central India" is awarded Best Article for special issue "Modern Therapeutics Applications"
A study by Raunak Das entitled "Study of Cardiovascular Dysfunctions in Interstitial Lung Diseas epatients by Correlating the Levels of Serum NT PRO BNP and Microalbuminuria (Biomarkers of Cardiovascular Dysfunction) with Echocardiographic, Bronchoscopic and HighResolution Computed Tomography Findings of These ILD Patients" is awarded Best Article of Vol 12 issue 13 
A Study by Kannamani Ramasamy et al. entitled "COVID-19 Situation at Chennai City – Forecasting for the Better Pandemic Management" is awarded best article for  Vol 12 issue 12
A Study by Muhammet Lutfi SELCUK and Fatma COLAKOGLU entitled "Distinction of Gray and White Matter for Some Histological Staining Methods in New Zealand Rabbit's Brain" is awarded best article for  Vol 12 issue 11
A Study by Anamul Haq et al. entitled "Etiology of Abnormal Uterine Bleeding in Adolescents – Emphasis Upon Polycystic Ovarian Syndrome" is awarded best article for  Vol 12 issue 10
A Study by Arpita M. et al entitled "Estimation of Reference Interval of Serum Progesterone During Three Trimesters of Normal Pregnancy in a Tertiary Care Hospital of Kolkata" is awarded best article for  Vol 12 issue 09
A Study by Ilona Gracie De Souza & Pavan Kumar G. entitled "Effect of Releasing Myofascial Chain in Patients with Patellofemoral Pain Syndrome - A Randomized Clinical Trial" is awarded best article for  Vol 12 issue 08
A Study by Virendra Atam et. al. entitled "Clinical Profile and Short - Term Mortality Predictors in Acute Stroke with Emphasis on Stress Hyperglycemia and THRIVE Score : An Observational Study" is awarded best article for  Vol 12 issue 07
A Study by K. Krupashree et. al. entitled "Protective Effects of Picrorhizakurroa Against Fumonisin B1 Induced Hepatotoxicity in Mice" is awarded best article for issue Vol 10 issue 20
A study by Mithun K.P. et al "Larvicidal Activity of Crude Solanum Nigrum Leaf and Berries Extract Against Dengue Vector-Aedesaegypti" is awarded Best Article for Vol 10 issue 14 of IJCRR
A study by Asha Menon "Women in Child Care and Early Education: Truly Nontraditional Work" is awarded Best Article for Vol 10 issue 13
A study by Deep J. M. "Prevalence of Molar-Incisor Hypomineralization in 7-13 Years Old Children of Biratnagar, Nepal: A Cross Sectional Study" is awarded Best Article for Vol 10 issue 11 of IJCRR
A review by Chitra et al to analyse relation between Obesity and Type 2 diabetes is awarded 'Best Article' for Vol 10 issue 10 by IJCRR. 
A study by Karanpreet et al "Pregnancy Induced Hypertension: A Study on Its Multisystem Involvement" is given Best Paper Award for Vol 10 issue 09
Late to bed everyday? You may die early, get depression
Egg a day tied to lower risk of heart disease
88 Percent Of Delhi Population Has Vitamin D Deficiency: ASSOCHAM Report

List of Awardees

A Study by Alkhansa Mahmoud et al. entitled "mRNA Expression of Somatostatin Receptors (1-5) in MCF7 and MDA-MB231 Breast Cancer Cells" from Vol 13 issue 06 received Emerging Researcher Award


Awardees of COVID-19 Research

Woman Researcher Award

A Study by Neha Garg et al. entitled "Optimization of the Response to nCOVID-19 Pandemic in Pregnant Women – An Urgent Appeal in Indian Scenario" published in Vol 12 issue 09

A Study by Sana Parveen and Shraddha Jain entitled "Pathophysiologic Enigma of COVID-19 Pandemic with Clinical Correlates" published in Vol 12 issue 13

A Study by Rashmi Jain et al. entitled "Current Consensus Review Article on Drugs and Biologics against nCOVID-19 – A Systematic Review" published in Vol 12 issue 09

Emerging Researcher Award

A Study by Madhan Jeyaraman et al. entitled "Vitamin-D: An Immune Shield Against nCOVID-19" published in Vol 12 issue 09

Study by Dheeraj Kumar Chopra et al. entitled "Lipid-Based Solid Dispersions of Azilsartan Medoxomil with Improved Oral Bioavailability: In Vitro and In Vivo Evaluation" published in Vol 12 issue 19


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