Poverty is still a reality in most developing countries. Poorly diversified
economies, inequality of assets and income distribution, poor management are the
root cause of poverty (Andy, 2004, cited from Abdulai and Tewari, 2017). Access
to finance can expand opportunities for everyone, and stability in the financial
system can promote effective savings and investment, which is important for a
growing market economy. (World Bank, 2015, cited from Abdulai and Tewari,
2017). Access to finance is important for the poor because it makes it easier for
them to use financial services to improve their lives. This means that financial
services, even in small amounts and in many different forms, can create positive
changes in the economic conditions of the poor.
However, financing for the poor remains a major global concern due to
failures in the formal credit market (Hulme and Mosley, 1996), high risks in debt
repayment, and lack of assets. Mortgages have continued to be a barrier for poor
people to access financial services (Hermes and Lensink, 2007). Therefore,
microfinance has played a very important role in socio-economic development,
especially in poverty reduction in developing countries. Studies by Legerwood
(1998), Morduch and Haley (2002), Nguyen Kim Anh et al. (2011) have shown the
role of microfinance in poverty reduction. The importance of microfinance for
socio-economic development has also been confirmed in practice by the United
Nations' choice of 2005 as the International Year of Microfinance. In Vietnam,
about 72% of the population lives in rural areas, where agriculture is a key
economic sector, with the participation of 54% of the labor force nationwide. One
of the major obstacles to achieving poverty reduction goals in Vietnam is the lack of
appropriate and responsive financial services (Nguyen Kim Anh et al., 2011).
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ften lead to autocorrelation, variance of variation
in the model. Therefore, Arellano and Bond (1991) proposed using the GMM
regression method to overcome the above phenomena. Besides, Blundell and Bond
(1998) suggest that when the dependent variable has a high correlation between
current values and previous period values, and the number of periods is not too
long, the DGMM estimation method is ineffective because the tool variables used to
be rated are not strong enough. Blundell and Bond (1998) extended the DGMM
estimation method with the simultaneous consideration of two estimation methods
(basic model, GMM, and DGMM model) collectively known as System
Generalized method of moments (SGMM). In this study, because the period of
2013-2017 is not too long and the financial data of MFIs often have a high
correlation between the present value and the value in the previous period, the
author uses the method estimating SGMM.
1.6. New contributions of the thesis
The thesis focuses on specific objectives including: (1) Assess the status of
operational efficiency of MFIs in Vietnam; (2) Identify factors affecting the
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performance of MFIs in Vietnam; (3) Assess the impact of women's empowerment
on the performance of MFIs in Vietnam; (4) Proposing policy implications to
improve the performance of Vietnamese MFIs. Compared with the previous studies,
the thesis has made the following new contributions:
Based on Data Envelopment Analysis (DEA), the author evaluated the
performance of 26 Vietnamese microfinance institutions. The previous studies,
when analyzing business operations and assessing business performance in general
and MFI in particular, often used the main financial indicators such as ROA, ROE,
NIM, ... because of the calculation relatively simple and easy to understand. Each
financial indicator expresses the relationship between the two variables, reflecting
an aspect of MFI's performance. Therefore, to fully evaluate the performance of
MFI, we must use a series of different criteria. This makes it difficult for
administrators and other state management agencies to evaluate and compare the
performance of MFIs, especially when evaluating the efficiency of using resources
to create complex financial products and services such as those of MFI (Manandhar
and Tang, 2002). To overcome the disadvantages in the method of analyzing
financial indicators, the thesis has used Data Envelopment Analysis (DEA) to
evaluate the performance of MFIs.
In addition, based on data sources of 26 MFIs in the period of 2013 - 2017,
the author has identified factors affecting the performance of MFIs in Vietnam.
Compared to previous studies, the thesis more comprehensively examines the
impact of women's empowerment on the performance aspects of Vietnamese
microfinance institutions by quantitative research methods along with the Stata 15.0
software support. Specifically, the author assesses the impact of women's
empowerment on the performance aspects of microfinance institutions by
estimating models using Blundell and Bond's SGMM method (1998). This method
is commonly used in linear dynamic panel data estimates to overcome endogenous
phenomena that often occur in macroeconomic models. Therefore, the obtained
results ensure the reliability to draw conclusions. Thus, the research results provide
rigorous evidence to support the theory of the impact of women's empowerment on
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the performance of Vietnamese microfinance institutions. At the same time, the
research results also provide a basis for research methods to assess this impact.
In practice, stemming from the fact that the majority of MFIs in Vietnam
have achieved their self-sustainability performance indicators but the results are not
high and uneven (Nguyen Kim Anh and Le Thanh Tam 2013), the author considers
the role of women's empowerment as a catalyst, better and more effectively control
the performance of MFIs in Vietnam. The results of the research will help policy-
makers set out solutions for sustainable development and improve the efficiency of
MFIs in Vietnam so that these organizations can develop commensurate with their
potential and play an important role in the national strategy of comprehensive
finance in Vietnam in the future.
1.7. Thesis structure.
To solve the research objectives of the topic, the thesis is structured with five
chapters:
- Chapter 1: Introduction
- Chapter 2: Theoretical basis and related studies
- Chapter 3: Research Methods
- Chapter 4: Experimental research results
- Chapter 5: Conclusions and policy implications
9
CHAPTER 2: THEORETICAL BASIS AND RELATED STUDIES
2.1. Related concepts
2.1.1. The concept of microfinance
In essence, microfinance is a very special economic activity in the field of
money - banking when it can combine a very harmonious combination between
profit-seeking (to survive) and implementing and have an important social role
(contributing to hunger elimination and poverty reduction). Microfinance is not
purely a monetary undertaking like commercial banks or any other credit institution,
nor does microfinance today constitute social activity such as the services offered
by social policy banks. Microfinance is a service aimed at poor people but with
interest rates high enough for microfinance to exist, and service beneficiaries are
also able to accept it. In short, microfinance is a very important method of
sustainable poverty reduction in the current period, especially in developing
countries, where the number of poor people is still high.
2.1.2. The concept of microfinance institution
Nguyen Kim Anh et al. (2013) also clarified the concept of MFI in terms of
value attributes. An MFI is an organization with a developmental base on a non-
exploiting basis that primarily serves the poor. Thus, in this view, even a non-
governmental organization can be considered an MFI when carrying out
microfinance activities as a core activity or having a separate department to control
microfinance activities.
2.1.3. The role of microfinance
Over the past 50 years, microfinance has made remarkable achievements,
confirming its role in changing people's lives. In particular, the MFI is an element
and plays an important role in the socio-economic development of rural areas
(Helms, 2006; Hulme, 1996; Ledgerwood, 2006). In essence, MFIs play a role both
financially and socially:
In the financial aspect, through the process of providing financial services,
MFIs perform the important functions of (i) mobilizing savings, (ii) reallocating
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savings for investment, and (iii) facilitating trade in goods and services, becoming
an effective tool to reduce poverty and increase income.
Socially, MFIs create opportunities for rural people, especially the poor, to
access financial services, increase their participation in community life in general,
and enhance their social capacity.
2.2. Theoretical basis for the performance of microfinance institutions
2.2.1. Performance concept
According to Berger and Mester (1997), the performance of MFIs is
reflected in the relationship between revenue and cost of using resources or the
ability to turn input resources into the best outputs in business activities. An
enterprise is considered to be efficient if it reaches its maximum output in terms of
optimal use of given inputs.
2.2.2. Measure the performance of microfinance institutions
According to Berger and Humphrey (1997), Heffernan and Fu (2008),
performance analysis of MFI often uses two main methods: method of analyzing
financial indicators and method of analyzing data envelopes.
2.2.2.1. Method of analyzing financial indicators
Group of indicators reflecting profitability
Group of self-sustainability indicators
2.2.2.2. Methods of Data Envelopment Analysis
Data envelope analysis is a method of determining the relative efficiency
index based on comparing the distance of units with the best performing unit on the
boundary. The advantage of this method is that it allows us to determine the overall
performance index of each MFI and rank the effectiveness of MFI based on actual
activities. This is also the best performance that an MFI is performing when
compared to other MFIs. This information helps administrators evaluate the current
performance of MFI and seek ways to improve and enhance the performance of
MFI (Nguyen Viet Hung, 2008). Two main methods for empirically estimating the
performance of MFI using the marginal efficiency analysis method are commonly
used: parametric and non-parametric approaches (Nguyen Minh Sang, 2014).
11
2.3. Factors affecting the operational efficiency of microfinance institutions
Operating time of MFIs
Degree of access (Outreach)
Size and structure of capital (Capital)
Lending costs and loan portfolio risks
Work Performance
Customer growth
2.4. Theoretical foundations of women's empowerment and the impact of
women's empowerment on the performance of microfinance institutions
2.4.1. Theory of women's empowerment in microfinance institutions
2.4.2. Analytical basis for empowering women in microfinance institutions
2.4.3. Theoretical basis of the impact of women's empowerment on the
performance of microfinance institutions
2.5. Summary of related studies
2.5.1. Studies on the performance of microfinance institutions
Studies to evaluate the performance of domestic and foreign MFIs are quite
diverse. These include Majune et al. (2013), Njuguna (2013), El-Maksoud (2016),
Afude (2017), Sufian (2006), Ferdousi (2013)
2.5.2. Studies on the factors affecting the performance of microfinance
institutions
Research on the factors affecting the performance of MFIs has received the
attention of many domestic and foreign researchers. Foreign studies include:
Schäfer & Fukasawa (2011), Dissanayake (2014), Ngo (2015), Abdulai & Tewari
(2017).
In addition to foreign studies, local studies have also sought evidence for
factors affecting the performance of MFIs. Specifically: Research by Truong Quang
Thong & Vu Duc Can (2017), Research by Dao Lan Phuong & Le Thanh Tam
(2017).
2.5.3. Studies on the impact of women's empowerment on the performance of
microfinance institutions.
12
Many important studies have been conducted to investigate whether
microfinance has successfully achieved poverty reduction goals and empowered
poor women (Cohen and Sebstad, 2001; Goyal, 2004; Somasekhar and Bapuji,
2005; George, 2014). Existing studies vary substantially in terms of baseline
indicators, women's access to credit (number of borrowers per borrower) and the
financial performance of MFIs. Somasekhar and Bapuji (2005) conducted an
investigation into empowering women through self-help groups (SHG) in Andhra
Pradesh that formed the microcredit network. The findings indicate that the
participation of poor rural women in SHGs not only allowed them to meet their
credit needs, but also led to common awareness, capacity building, confidence and
courage that can be considered empowering. The micro-credit network promotes
capacity building, the spirit of ownership of micro-enterprises, and the socio-
economic improvement of women.
13
CHAPTER 3: RESEARCH METHODS
3.1. Research design
This study applies the procedures of Abdulai & Tewari (2017), Lopatta et al.
(2017) and at the same time combined with the studies of Dao Lan Phuong & Le
Thanh Tam (2017), Ngo (2015), author identify and evaluate the factors that affect
the performance of MFIs in Vietnam and the impact of women's empowerment on
the performance of these MFIs through the following steps:
- Step 1: Measuring the performance of Vietnamese MFIs on three aspects:
self-sustainability, profitability, and allocation efficiency. Specifically,
sustainability will be measured through OSS, profitability will be measured through
ROA and ROE, and the distributional efficiency will be measured through:
technical effectiveness (TE), scale effectiveness (SE) results from Data
envelopment analysis (DEA).
- Step 2: Based on the relevant studies of Abdulai & Tewari (2017), Lopatta
et al. (2017) and concurrently with the studies of Dao Lan Phuong & Le Thanh Tam
(2017), Ngo (2015). The model assesses the factors that affect the performance of
MFIs in Vietnam and the impact of women's empowerment on the performance of
MFIs.
- Step 3: Collect data and estimate models
- Step 4: Perform necessary tests
- Step 5: Analyze, evaluate, and draw conclusions about the factors affecting
the performance of MFIs in Vietnam and the impact of women's empowerment on
the performance of MFIs.
3.2. Research Methods
3.2.1. Method of evaluating the performance of microfinance institutions in
Vietnam.
To evaluate the performance of MFIs, the study used Data envelopment
analysis (DEA). This research method has been applied a lot in assessing the
performance of traditional banking. However, in recent times, many researchers
have expanded this method to apply to MFIs (Sufian, 2006; Ferdousi, 2013).
14
In this study, to evaluate the performance of MFI Vietnam, the author
chooses the inputs and outputs of MFI based on previous studies, specifically:
The input variables selected according to the research of Sufian (2006),
Ferdousi (2013), Bolli et al. (2012) include the following two variables:
- Operating expenses: including interest on deposits and equivalent, staff
salaries, non-interest expenses.
- Number of employees: includes all employees working at MFI.
The output variables selected by Ferdousi (2013) include two variables that
reflect the performance of MFI as follows:
- Total outstanding loans: including all outstanding loans of customers.
- Number of borrowers: including all outstanding customers at MFI.
Table 3.1. Describe input and output variables of MFI in DEA analysis
Variable Define Unit
The input variables
Operating expenses including interest on
deposits and equivalent,
staff salaries, non-interest
expenses
VND
Number of employees includes all employees
working at MFI
Person
The output variables
Total outstanding loans including all outstanding
loans of customers
VND
15
Number of borrowers including all outstanding
customers at MFI
Person
3.2.2. Method of assessing factors affecting the performance of microfinance
institutions in Vietnam
To assess the factors affecting the performance of microfinance institutions
in Vietnam, the author built a research model based on the main research model of
Abdulai & Tewari (2017) combined with factors in the research of Dao Lan Phuong
& Le Thanh Tam (2017), Ngo (2015) and Ngo et al. (2014). The general research
model of the topic has the following form:
Model (1):
OSSit = β0 + β1OSSit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit + β6PAR30it
+ β7NABit + β8GLPit + vi + uit
Model (2):
ROAit = β0 + β1ROAit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit +
β6PAR30it + β7NABit + β8GLPit + vi + uit
Model (3):
ROEit = β0 + β1ROEit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit +
β6PAR30it + β7NABit + β8GLPit + vi + uit
Model (4):
TEit = β0 + β1TEit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit + β6PAR30it +
β7NABit + β8GLPit + vi + uit
Model (5):
SEit = β0 + β1SEit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit + β6PAR30it +
β7NABit + β8GLPit + vi + uit
Where,
16
Dependent variable: OSS is activity self-sustainability, ROA is net income
over total assets, ROE is net income on equity, TE is the indicator of technical
efficiency, and SE is the scale effectiveness. These indicators are used to evaluate
the effectiveness of MFIs in this study. The targets often refer to the ability of MFIs
to continually implement microfinance programs in pursuing their regulatory goals
(Abdulai & Tewari, 2017; Dao Lan Phuong & Le Thanh Tam, 2017; Ngo, 2015).
The independent variables include: AGE (MFIs' age) is the age of MFIs,
CPB (Cost per borrower) is the cost per borrower, OEA (Operating expense to
assets ratio) is the ratio of operating expenses to total assets, DER (Debt to equity
ratio) is the ratio of equity to total assets, PAR30 (Portfolio at risk) is the risk ratio
of the portfolio, NAB (Number of active borrowers) is the number of people real
loan, GLP (Gross loan portfolio) is the total loan portfolio.
In addition, because vi is a characteristic of MFI that cannot be observed, uit
is a specific error.
3.2.3. Methods to assess the impact of women's empowerment on the
performance of microfinance institutions in Vietnam
To assess the impact of women's empowerment on the performance of
microfinance institutions in Vietnam, the author adds to the above research models
the independent variable PFB showing empowerment. Women are measured by the
total number of women borrowing on the total number of MFI borrowers. The
research model has the following form:
Model (6):
OSSit = β0 + β1OSSit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit + β6PAR30it
+ β7NABit + β8GLPit + β9PFBit + vi + uit
Model (7):
ROAit = β0 + β1ROAit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit +
β6PAR30it + β7NABit + β8GLPit + β9PFBit + vi + uit
Model (8):
ROEit = β0 + β1ROEit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit +
β6PAR30it + β7NABit + β8GLPit + β9PFBit + vi + uit
17
Model (9):
TEit = β0 + β1TEit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit + β6PAR30it +
β7NABit + β8GLPit + β9PFBit + vi + uit
Model (10):
SEit = β0 + β1SEit-1 + β2AGEit + β3CPBit + β4OEAit + β5DERit + β6PAR30it +
β7NABit + β8GLPit + β9PFBit + vi + uit
The method of measuring variables, expected marks and the basis for
proposing variables is presented in the following table:
Table 3.2. Describe the variables used in the model
Variable Symbo
l
Measure Expecte
d sign
Base
citation
Dependent variable
Self-
sustainable
operation
OSS Income from operations
Total operating expenses
x100%
Schäfer and
Fukasawa
(2011),
Dissanayak
e (2014),
Ngo
(2015),
Dao Lan
Phuong and
Le Thanh
Tam
(2017),
Abdulai
and Tewari
(2017)
18
Return On
Asset
ROA Net income
Total asset
x100%
Dissanayak
e (2014),
Abdulai
and Tewari
(2017)
Return On
Equity
ROE Net income
Total equity
x100%
Dissanayak
e (2014),
Abdulai
and Tewari
(2017)
Technical
efficiency
TE Calculated from DEA
Scale
efficiency
SE Calculated from DEA
Independent variables
Women's
empowermen
t
PFB The total number of women borrowed
Number of borrowers
+ Abdulai &
Tewari
(2017),
Lopatta et
al. (2017)
Equity ratio
to total assets
DER Total equity
Total asset
+ Ngo
(2015),
Dao Lan
Phuong and
Le Thanh
Tam (2017)
19
Total loan
portfolio
GLP Ln(Total loan portfolio) + Abdulai
and Tewari
(2017)
The risk ratio
of the
portfolio
PAR30 Net losses / Total outstanding
loans
- Schäfer and
Fukasawa
(2011),
Dao Lan
Phuong và
Le Thanh
Tam
(2017),
Abdulai
and Tewari
(2017)
Number of
active
borrowers
NAB Ln(Number of active borrowers) + Schäfer and
Fukasawa
(2011), Ngo
(2015),
Abdulai and
Tewari
(2017),
Operating
expense to
assets ratio
OEA Total operating expenses
Total asset
- Dissanayak
e (2014),
Abdulai
and Tewari
(2017)
20
Cost per
borrower
CPB Ln(Total operating expenses
/ Number of borrowers)
- Schäfer and
Fukasawa
(2011),
Dissanayak
e (2014),
Ngo
(2015),
Abdulai
and Tewari
(2017),
The age of
MFIs
AGE Number of years of operation of
the microfinance institutions at
the time of study
+ Dao Lan
Phuong và
Le Thanh
Tam
(2017),
Abdulai
and Tewari
(2017)
3.3. Estimation methods
3.3.1. Fixed-effects model (FEM)
3.3.2. Random-effects model (REM)
3.3.3. SGMM estimation method
3.4. Collect and process data.
Sample size:
As a rule of thumb, the sample size must be at least 5 times the number of
variables in the model (Hair et al., 2006). The experimental research model consists
of a maximum of 9 variables, so the minimum sample size is 45 observations. With
the panel data covering 26 MFIs collected from 2013 to 2017, the sample includes
26 x 5 = 130 observations and meets the requirement for conformance.
21
Methods of collecting and processing data:
According to statistics of the State Bank of Vietnam as of June 30, 2019,
there are four official MFIs, which are M7 Microfinance Institution Limited, Tinh
Thuong Microfinance Institution Limited, and Thanh Hoa microfinance institution,
Capital Aid Fund For Employment of The Poor. In addition to the official MFIs,
there are 30 semi-formal MFIs in microfinance programs and projects operating in
Vietnam (Microfinance Directory, 2018). However, the information of these MFIs
is not complete, so the author conducted the study with the 26 most complete MFIs.
Research data is the annual financial statements of 26 MFIs in Vietnam for
the period 2013-2017 provided by MIX Market. MIX Market is a website operated
by Microfinance Information Exchange (MIX). The MIX Market website allows
microfinance programs to post information, including audited financial statements
and performance indicators, to receive ratings based on the transparency of the
information. Regarding the study time, the author conducted at 26 MFI in the period
of 2013 - 2017. This stage was selected by the author to carry out the study because
to ensure that 26 MFIs have enough data to calculate the variables in the research
model.
22
CHAPTER 4: EXPERIMENTAL RESEARCH RESULTS
4.1. Actual situation of Vietnamese microfinance institutions:
Customer growth
Unit: Person
Figure 4.1: Number of customers of MFIs Vietnam from 2013 to 2017
Source: Mix market
Total outstanding loans
Unit: VND billion
Figure 4.2: Total outstanding loans to customers of MFI Vietnam in the period
of 2013 - 2017
Source: Mix market
Number of employees
7,746,045
7,790,466
7,816,377
7,554,032
7,480,392
7,300,000
7,400,000
7,500,000
7,600,000
7,700,000
7,800,000
7,900,000
2013 2014 2015 2016 2017
160,445
168,590
146,196
162,880
180,614
-
50,000
100,000
150,000
200,000
2013 2014 2015 2016 2017
23
Unit: Person
Figure 4.3: Number of employees of MFIs Vietnam from 2013 to 2017
Source: Mix market
Operating expenses
Unit: VND billion
Figure 4.4: Operating expenses of Vietnamese MFIs in the period of 2013 -
2017
Source: Mix market
11,750
12,634
12,934
13,169
13,469
10,500
11,000
11,500
12,000
12,500
13,000
13,500
14,000
2013 2014 2015 2016 2017
12,152
13,090
14,033 13,580
16,310
-
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
2013 2014 2015 2016 2017
24
4.2. Descriptive statistics of research samples and correlations between
variables:
Descriptive statistical results measuring characteristic quantities for the study
variables are shown in Table 4.1.
Table 4.1. Statistical results describe the variables in the model
Variable Number of
observations
Mean Standard error Min Max
Dependent variable
ROA 130 .040561 .0430161 -.1781117 .1482542
ROE 130 .1279397 .1616091 -.5182695 1.069242
OSS 129 1.389881 .3978275 .3436663 2.900789
Independent variables
AGE 130 12.76923 6.654879 2 27
CPB 130 13.32789 1.042988 10.5491 17.0967
OEA 130 .2770734 1.797112 1.11e-09 20.57519
DER 130 .4830661 .8091353 .0181009 9.066581
PAR30 128 .007266 .0233176 0 .1928
GLP 130 24.75121 2.498789 21.61813 32.68964
25
NAB 130 9.198301 1.973082 5.817111 15.77561
Source: Calculation results from STATA 15 software
Correlation coefficient matrix:
Table 4.2. Matrix correlation coefficient
Source: Calculation results from STATA 15 software
Multicollinearity test:
Table 4.3. Multicollinearity test between independent variables
Variable VIF 1/VIF
GLP 3.47 0.288184
NAB 2.89 0.346021
CPB 2.87 0.348475
PFB 2.84 0.352234
se -0.0882 -0.1965 0.1130 -0.2926 0.2168 -0.1257 0.0802 0.0681 0.0420 0.3837 0.4443 0.6278 1.0000
te 0.0434 -0.1051 0.3378 -0.3710 0.3656 -0.2958 0.1259 0.0459 -0.0326 0.3704 0.4358 1.0000
nab -0.0850 -0.1036 -0.1455 -0.6683 0.5522 0.3400 0.0981 -0.2213 0.0487 0.9435 1.0000
glp -0.0955 -0.0751 -0.1833 -0.7655 0.5637 0.5568 0.0163 -0.2881 0.0047 1.0000
par30 -0.4061 -0.3390 -0.1783 -0.1197 -0.0134 0.0444 -0.0241 0.0379 1.0000
der 0.2219 -0.2268 0.4231 0.1153 -0.1661 -0.3544 0.0052 1.0000
oea -0.0416 0.0195 -0.0741 0.0242 -0.1496 -0.0855 1.0000
cpb -0.1372 0.0234 -0.3885 -0.4914 0.1937 1.0000
age 0.0635 -0.
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