Impacts of labor migration on structural change of rural labor in Trieu Son district of Thanh Hoa province in Vietnam

The study focused on analyzing the impacts of labor migration process on the structural change of the rural labor in Trieu Son District, Thanh Hoa province in Vietnam. With regard to the quantitative and qualitative methods, the study used the survey data from the research “The changes of rural labor composition under the impacts of current labor migration in 2018: A case study in Trieu Son District, Thanh Hoa province in Vietnam”. The results of logit regression analysis showed different factors affecting the structural change of the rural labor including: number of migrant workers, migration time, destination of migrants, occupation, living-Condition, number of dependent households in the household

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Impacts of labor migration on structural change of rural labor in Trieu Son district of Thanh Hoa province in Vietnam
n variables through the correlation analysis between them and dependent variables. The necessary condition 
in this analysis step is that if the independent variable is not correlated with the dependent variable, we exclude this independent 
variable from the regression model. The results of our study indicated the correlation among independent variables. However, 
based on VIF when performing multivariate regression, VIF (variance inflation factor) <2 does not occur in the collinearity case. 
On the other hand, when considering the Tolerance value with the formula Tolerance = 1/VIF. Tolerance is greater than 0.5, so no 
multicollinearity takes place. As shown in Tables 6 and 7 below about the results of correlation analysis between independent and 
dependent variables through the correlation matrix. It can be seen that the household hiring variable was positively correlated with 
the time of migration and the number of dependents in the household. On the contrary, Among the household living standard 
variables and the hiring variables were negatively related. The overall assessment of the correlation analysis results reveal the 
variables were related to one another that being included in the model to explain for the dependent variable. 
Table 6 
 Correlation matrix between factors of migration characteristics and household hiring 
 Destination place Time of migration Number of migrants Hiring labor in the harvest 
Destination place Pearson Correlation 1 ,240** -,246s ,116* 
Sig. ,000 ,000 ,023 
N 385 385 385 385 
Time of migration Pearson Correlation ,240** 1 -,237** ,392** 
Sig. ,000 ,000 ,000 
N 385 385 385 385 
Number of migrants Pearson Correlation -,246** -,237** 1 ,336** 
Sig. ,000 ,000 ,000 
N 385 385 385 385 
 Hiring labor in the harvest Pearson Correlation ,116* ,392** ,336** 1 
Sig. ,023 ,000 ,000 
N 385 385 385 385 
(Statistical significance level: *p<0,1 **p<0,05 ***p<0,01) 
Source: Survey data of the study 
Table 7 
 Correlation matrix between household characteristics and hiring labor 
Households 
occupation 
Living standard of 
households 
Number of dependents 
in the household 
Hiring labor in the 
harvest 
Household occupation Pearson Correlation 1 -,075 ,056 ,181** 
Sig. ,142 ,269 ,000 
N 385 385 385 385 
Living standard of household Pearson Correlation -,075 1 -,653** -,288** 
Sig. ,142 ,000 ,000 
N 385 385 385 385 
Number of dependents in the 
household 
Pearson Correlation ,056 -,653** 1 ,259** 
Sig. ,269 ,000 ,000 
N 385 385 385 385 
Hiring labor in the harvest Pearson Correlation ,181** -,288** ,259** 1 
Sig. ,000 ,000 ,000 
N 385 385 385 385 
(Statistical significance level: *p<0,1 **p<0,05 ***p<0,01) 
Source: Survey data of the study 
As can be seen in Table 8, the results of the logistic regression model with the dependent variable was hiring labor in the harvest. 
The statistical significance of the model with p <0.01, R2 = 23,1% indicated that the independent variables in the model could 
explain 23.1% of the change of the dependent variables according to the variation of the independent variables in the model. The 
results implied that overseas destinations had a 3,108 times higher probability of hiring workers in the harvest than destinations in 
big domestic cities if the influence of other factors in the model is constant. The above difference is statistically significant p <0.01 
corresponding to 99% confidence interval (OR = 3,108, 99% CI = 6,35-78,8)1. Thus, hiring labor in the harvest was influenced by 
the destination of the migrants, whereby the overseas destination of tended to hire workers higher than the destinations in big 
domestic cities. 
The great number of migrants has a 2,756 times higher probability of hiring workers in the harvest than the low number of migrants if 
the effects of other factors in the model remain unchanged. The above difference is statistically significant p <0.01 corresponding to 99% 
of confidence interval (OR = 2,756, 99%, CI = 5.39-45.9). Thus, hiring labor in the harvest is influenced by the number of migrants, 
whereby the great number of migrants has a higher probability of hiring workers in the harvest than the low number of migrants 
 324
Table 8 
 Estimated logistic model results of migration characteristics impact on hiring labor of households 
Independent variables Odds Significant level (p) 
Destination of migrants Overseas countries 3,108 0,000 
 Big cities in the country (Control group) 
Number of migrants Many 2,756 0,000 
Few (control group) 
Under 2 years (control group) 
Time of migration Over 2 years 0.038 0.000 
Observation number N 
385 
Prob> Chi2 
0,000 
Pseudo R2 
 23,1% 
Loglikelihood 
 164,062 
(Statistical significance level: *p<0,1 **p<0,05 ***p<0,01) 
Source: Survey data of the study 
The migration time of more than 2 years has a probability of hiring workers in the harvest 0.038 times higher than the migration 
time of less than 2 years if the effects of other factors in the model remain constant. The above difference is statistically 
significant p <0.01 corresponding to 99% confidence interval (OR = 0.038, 99% CI = 0.01-0.11). Thus, the employment in the 
harvest is affected by the time of migration, whereby the migration time over 2 years tends to hire workers higher than the time 
of migration less than 2 years. 
Table 9 
 Forecasting logistic model results for migration characteristics impact on hiring workers in the harvest 
Observation 
Prediction 
True prediction 
percentage 
Hiring workers in the harvest 
1.00 0.00 
Hiring workers in the 
harvest 
1.00 332 11 96,8 
0.00 15 27 64,3 
True percentage of overall prediction 93,2 
Source: Survey data of the study 
The table above showed the analysis results of the dependent hiring variables in the harvest. The observed column reflected 
two values of these variables including 0 and 1. The predictive column gave the predictive values of the model-based hiring 
variables. This table provided the correct predictive values of the model compared to observed reality. In this case, the model 
correctly predicted 332 cases related to hire labor in the harvest by 1 and correctly predicted 11 cases. Therefore, the correct 
predictive result is 332/343 = 96.8%. Similarly, the model correctly predicted 27 cases of non-hiring of labor by zero and 
incorrectly predicted 15 cases. It could be said that the correct prediction was 27/42 = 64.3%. With the data obtained, it was 
concluded the correct prediction rate of the whole model was (332 + 27) / (332 + 27 + 11 + 15) = 359/385 = 93.2%. The overall 
predicted percentage indicated the model's correct prediction rate with 93.2%. Compared with the results of Block 0, this 
prediction model is better (from 89.1% to 93.2%). 
Table 10 
 Results of estimating logistic models of household characteristics affecting household hiring 
Independent variables Odds Ratio Significant level (p) 
Households Agriculture 2,358 0,021 
 Non-agriculture (Control group) 
Households living standard 
Poor (control group) 
Average 
Well-off 
 1,370 
 6,608 
0,524 
0,010 
Number of dependents in the household Over 2 people 3,699 0,027 
 Under 2 people (control group) 
Observation Number N 
385 
Prob> Chi2 
0,004 
Pseudo R2 
10,5% 
Loglikelihood 
222,566 
(Statistical significance level: *p<0,1 **p<0,05 ***p<0,01) 
Source: Survey data of the study 
D. Van Truong /Accounting 6 (2020) 325
It can be drawn out from the Table 10 that the results of the logistic regression model with the dependent variables were hiring labor in 
the harvest. The statistical significant model with p <0.05, R2 = 10.5% said the independent variables in the model could explain 10.5% 
of the change of the dependent variables according to the variation of the independent variables in the model. As for the results, 
agricultural job has a 2.358 times higher probability of hiring workers than non-agricultural jobs if the effects of other factors in the model 
remain constantly. The above difference is statistically significant with p <0.05 with 95% confidence interval (OR = 2,358, 95% CI = 
1,14-4,89)2. 
Thus, hiring labor in the harvest is influenced by household occupation, whereby agricultural jobs tend to hire workers higher than 
non-farm jobs. 
With respect to the estimating results of the logistic model, p of the household living standard is statistically significant with p 
<0.05 corresponding to 95% of the confidence interval (OR = 6,608, 95% CI = 1.56-27,98). Thus, hiring of labor in the harvest 
is affected by household living standards, whereby well-off households tend to have higher probability in hiring labor in the 
harvest than average and poor households. 
The number of dependents in a household affects the probability of hiring. Odd ratio is 3,699 times higher than that of households 
with fewer dependents if the effects of other factors in the model remain constantly. The above difference is statistically 
significant with p <0.05 with 95% confidence interval (OR = 3,699, 95% CI = 1.37-9.95). It can be believable that the trend of 
hiring labor is influenced by the number of dependents in the household. 
Table 11 
 Forecasting results of logistic models of household characteristics affecting household hiring in the harvest 
Observation 
Prediction True 
prediction 
percentage 
Hiring labor of household 
1.00 0.00 
Hiring labor in the harvest 1.00 338 5 98,5 
0.00 36 6 14,3 
True percentage of overall prediction 89,4 
Source: Survey data of the study 
The model correctly predicted 338 cases for hiring workers in the harvest (the dependent variable received a value of 1 and incorrectly 
predicted 5 cases. Therefore, the correct prediction results with high probability (338/343 = 98.5%). Similarly, the model correctly 
predicted 6 cases without hiring workers in the harvest with 0 and incorrectly predicted 36 cases. That meant that the correct prediction 
was 6/42 = 14.3%. It can be inferred from the given data that the correct prediction percentage of the whole model is: (338 + 6) / 
(338 + 6 + 36 + 5) = 344/385 = 89.4%. Compared with the results of Block 0, the results showed that the prediction model was better 
(from 89.1% to 89.4%). 
5. Conclusion 
Based on both the theoretical basis of structural change of rural labor under the impacts of labor migration and applying empirical 
research models, the analysis of data from the survey indicated that the transformation process of rural labor structure in Trieu 
Son Distrct was influenced by the following factors: number of migrant workers, time of migration, destination of migrant 
workers, occupation of migrants , migrants’ living standard, number of dependents in the household. The results of the study 
were not only consistent with the theory but also consistent with the experimental results in some localities in the country, which 
proves that under the impacts of labor migration process, occupational transition process of employees has been gradually 
shifting towards industrialization and modernization in line with the market economy and the current trend of globalization. 
The process of labor migration helped migrants accumulate knowledge from the reality of the labor market and gain some capital 
that gave them more conditions to shift jobs from agriculture to non-agriculture. That made the movement of rural labor 
composition in the studied area. In order to develop a sustainable rural labor structure, it is necessary to be aware and properly 
assess the situation of labor migration and pay attention to the impact factors to have suitable solutions in managing and 
developing sustainable human resources in rural areas. 
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© 2020 by the authors; licensee Growing Science, Canada. This is an open access article distributed 
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( 
1The value of p-value (sig.) = 0.01 means that the probability of false conclusion is 1%, or the probability of true conclusion is 99% (subtract 1 from 0.01). The smaller 
the p-value is, the more significant the influence level is and the higher the reliability of the conclusion is 
2 The value of p-value (sig.) = 0.05 means that the probability of false conclusion is 5%, or the probability of true conclusion is 95% (subtract 1 from 0.05). 95% confidence 
interval (probability α = 0.05). The regression calculation of SPSS provides regression coefficients, estimation of regression coefficients and p value. P-value: p Lower 
95% value: The lower critical value of the estimation with 95% confidence interval. Upper 95%: Upper critical value of the estimation with 95% confidence interval. 
Reject H0 when p-value <0.05 or interval (Lower; Upper) does not contain 0. In this dissertation, p values are less than 0.05 and the interval (Lower; Upper) does not 
contain 0. Therefore , the handling data ensure statistical reliability. 

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