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Epidemiology and Society Health Review| ESHR 
 

Vol 1 No1 2019 
 

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Research Article 
 
THE CORRELATION BETWEEN WORM INFECTIONS 
AND NUTRITIONAL STATUS AMONG ELEMENTARY 
SCHOOL STUDENTS 
 
Liena Sofiana*, Erni Gustina, Yuniar Wardani, Suci Musvita Ayu, Aniq Diya 
Nata Maula 
 
Department of Public Health, Public Health Faculty, Universitas Ahmad Dahlan,  
Yogyakarta, Indonesia 
 

*Correspondence: liena.sofiana@ikm.uad.ac.id. Telp.: +6285875555584 
Received 07 August 2019; Accepted 09 September 2019; Published 09 September 2019 
 

ABSTRACT   

Background: Worm disease is an infectious disease that still becomes a public health problem in 
Indonesia. Worm can cause a decrease in health, nutrition, intelligence and productivity of the 
sufferers. Worms as parasitic animals do not only take nutrients in the intestines of children, but they 
also damage the intestinal wall so that they interfere the absorption of these nutrients, consequently it 
will impact on the decreasing of one's nutritional status and cause other complex nutritional problems. 
Moyudan Health Center is a Community Health Center in Moyudan Sub-District Region which has the 
highest cases of helminthiasis (worm infection). Therefore, this study aims to determine the 
relationship between helminthiasis infection and nutritional status. 
Methods: This was an observational analytic study by using a cross sectional approach. The sample 
of this study were elementary school students in the work area of Moyudan Health Center with 
samples of 311 respondents. The sampling technique used by multistage random sampling is the 
selection of samples consisting of the smallest areas of an area. Faecal examination was carried out 
by using the direct method and nutritional status assessment was carried out by anthropometric 
method based on the anthropometric index Body Age Index per Age (BMI / U). Data were analyzed 
by Fisher's test. 
Results: The results showed that there were 8 respondents (2.57%) who were positively infected by 
worms, 28 respondents had underweight nutritional status (9.01%), and 54 respondents had a 
nutritional status of fat (17.36%). The results of the study showed no correlation between 
helminthiasis infection and nutritional status (p value = 0.534). 
Conclusions: There is no relationship between helminthiasis and nutritional status in elementary 
school students in the Moyudan Community Health Center Working Area in Sleman Regency with a p 
value of 0.534 so that it is concluded that helminthiasis infection does not provide any significant 
contribution to nutritional status even though cases of helminthiasis still occur in elementary school 
students. Therefore, it needs more attention from parents, schools and health facilities in dealing with 
worm problems. 

Keywords: Worm Infection, Nutritional Status, Elementary School Students 



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INTRODUCTION 

Worm disease is an infectious disease that is still a public health problem in Indonesia because it 
spreads in most regions of Indonesia. Worm can cause health, nutrition, intelligence and productivity 
problems. Similarly, it can also cause loss of fat and protein and blood loss, thus reducing the quality 
of human resources (1). Worms are part of 17 Neglected Disease (NTD) (2). The most common types 
of worm that infect humans are Ascaris lumbricoides, Necator americanus, Ancylostoma duodenale, 
Trichuris trichiura, Strongyloides stercoralis, Trichinella spiralis and Enterobius vermicularis (3). 
 
More than 1.5 billion people or 24% of the world's population are infected by earthworms that spread 
throughout the world. Infection is widespread in tropical and subtropical regions with the largest 
number occurring in Sub-Saharan, Africa, America, China and East Asia. More than 267 million pre-
schoolers and more than 568 million school-aged children live in the area while these parasites are 
intensively transmitted and intervened. Therefore, treatment is immediately needed (4). The ones who 
often get infected are pre-schoolers, school-age children, women of childbearing age (including 
pregnant women in the second and third trimesters and breastfeeding), and adults with high-risk jobs 
such as tea pickers or miners are also vulnerable to worm infection (4). This disease generally attacks 
children because their resistance is still low. The factors that influence it are tropical condition, low 
awareness of cleanliness, poor sanitation, low socio-economic conditions, and population density (5). 
 
Worms as parasitic animals do not only take nutrients in the child's intestine, but they also damage 
the intestinal wall so that they release these nutrients (6). Worms get food from tissues including 
proteins that will cause substances of protein and iron. Worms will also increase malabsorption 
nutrition. Some earthworms can also cause reduced appetite and therefore they can reduce 
nutritional intake and physical fitness (4). 
 
The prevalence data of worm infection in 2016 in Sleman suggested that there were 559 cases of 
infection and the highest of all was found in Moyudan Community Health centre with 182 cases (7). 
Meanwhile, the screening data of students’ weight and height from two elementary schools in 
Moyudan sub-district showed that 6 out of 170 students were categorized fat and 136 of them were 
normal. In addition, 12 students were thin and 16 were very thin. After studying the data, the 
researcher thinks that it is necessary to research this case further as it is important to know how big 
this case is and what efforts can be done to control and prevent this case.   

METHODS 

Study design  
This research belongs to analytic observational research with cross sectional approach.  

Setting 
This research was conducted among the elementary students in the coverage area of Moyudan 
community health centre, Sleman, Yogyakarta. There were 21 elementary schools from 4 villages.  

Data source and data collection 
The data collection was done by measuring body weight and height to determine BMI (Body Mass 
Index) of students in the elementary schools. Meanwhile, the nutritional status was measured by 
using scales and microtoise. Worm examination was carried out with a direct method using a 
microscope conducted at the Moyudan Community Health Center laboratory. In addition, examination 
of the number of worm species in faecal samples was also carried out by counting the number of 
eggs, larvae or adult worms in the preparation. 

Sample population  
The research sample were elementary school students in the work area of Moyudan Health Center 
with a total of 311 samples. The school sampling technique was carried out by using probability 
sampling by means of multiple stage random sampling. 21 elementary schools from 4 villages were 
randomly selected and each of them had 3 primary schools which were sampled. Thus, the number of 
primary schools used was 12 schools which consists of grade1 to grade 6. The sample consists of 



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286 people so that the total sample taken from each primary school were 24 people. Respondent 
samples were taken randomly by using simple random sampling. 

Variables 
The independent variable in this research was worm infection while the dependent variable was 
nutritional status of elementary school students.  

Analysis 
The analysis was done using chi square test with trust interval of 95%. The value of α was 0.05 which 
also used fisher as its alternative. The requirement for chi square test is when there is no value of 
expected count below 5 or maximum 20% in cell.  

Ethical approval 
Number: 011804053  
The ethical approval is based on ethical research committee of Universitas Ahmad Dahlan 
Yogyakarta. 

RESULTS 

Table 1. Respondent Distribution based on Gender and Age 
Variable Frequency Percentage (%) 

Age (Year)   
5 1     0,3 
6 8     2,6 
7 50 16,1 
8 64 20,6 
9 64 20,6 

10 53 17,0 
11 55 17,7 
12 15 4,8 
13 1 0,3 

Gender   
Male 150 48,0 

Female 161 52,0 
Total 311  100,0 

 Source: Primary Data of 2018 
 

Table 1 shows that the genders of the respondents are different. Male respondents consisted of 150 
students (48.23%) and female respondents are 161 students (51.77%). In terms of age, the table 
shows that most of respondents are 8- and 9-years old totalling 64 students (20.58%) while the least 
number is those aged between 5 to 13 years old accounting only 1 person (0.32%). 

 

 

 

 

 

 

 

 



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Table 2. Worm Infections Distribution based on Gender 

Variable 

Gender 
Total 

Number 
Percentage 

(%) 
Male Female 

Total Percentage 
(%) Total Percentage 

(%) 

Worm 
Infection 

Positive 6 1.93 2 0.64 8 2.57 
Negative 144 46.30 159 51.13 303 97.43 

Total 150 48.23 161 51.77 311 100.0 

Nutritional 
Status 

Thin  11 3.54 17 5.47 28 9.01 
Normal 111 35.69 118 37.94 229 73.63 

Fat 28 9.00 26 8.36 54 17.36 
 Total 150 48.23 161 51.77 311 100.0 

Source: Primary Data of 2018 
 
Table 2 shows that most of respondents infected with helminthiasis were male with a total of 6 
respondents, while female who were infected with helminthiasis were only 2. Based on the nutritional 
status and sex of respondents, those with the lowest nutritional status were mostly female by5.47%. 
Respondents with the most normal nutritional status were also female by 37.94%, while respondents 
with surplus nutritional status were more dominated by male, by 9%. 

Table 3. The Distribution of Worm Infection Based on Worm Type 

Worm Type 
Gender 

Total Percentage 
(%) Male Female 

Ascaris lumbricoides 0 1 1 12.5 
Necator americanus 1 0 1 12.5 

Ancylostoma duodenale 2 0 2 25.0 
Enterobius vermicularis 2 1 3 37.5 

Trichuris trichiura 1 0 1 12.5 
Total 6 2 8   100.0 

  Source: Primary Data of 2018 
 

Table 3 shows that of the 8 respondents who were positively infected with helminthiasis, in which 
most of them were infected with Enterobius vermicularis by 37.5% and Ancylostoma duodenale by 
25%. Other types of infecting worms were Ascaris lumbricoides, Necator americanus and Trichuris 
trichiura, by 12.5% consecutively. 

Table 4. Fisher's test results between helminthiasis infection and nutritional status in 
elementary school students in the work area of Moyudan Public Health Center, Sleman 

Regency 
Variable  
Worm 

Infection 

Nutritional Status Total RP 95% 
CI 

P 
Value Thin Normal + Fat 

n % n % n % 
Positive 1 0.3 7 2.3 8 2.6 1.403 0.217-

9.087 0.534 Negative 27 8.7 276 88.7 303 97.4  
Sum 28 9.0 283 91.0 311 100  

 
Table 4 shows that after cell merging and fisher test for a 2x2 table, it is found that there is 1 cell 
(25%) that has an expected count value of less than 5, so that the chi-square test requirements are 
not met. Therefore, fisher test was used as an alternative. From the results of the fisher test it was 
known that the P value was 0.534, which means that there was no relationship between helminthiasis 
infection and nutritional status of elementary school students in the work area of Moyudan Health 



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Center, Sleman Regency. Fisher's test results also showed a value of Rp 1,403 with Confidence 
Interval of 95% (CI) 0.217-9,087 which means that from the existing data it could not be concluded 
that helminthiasis could really become a risk factor that affects nutritional status. 
 

DISCUSSIONS 

The description of the respondents of the elementary school students in the work area of Moyudan 
Public Health Center Sleman Regency were mostly 8 and 9 years old with a percentage of 20.58% 
while the least were students aged 5 and 13 years with a percentage of 0.32%. The percentage of 
female students was 51.77% which was greater than male students (48.23%). The percentage of 
students infected with helminthiasis was 2.57%, students with malnutrition status was 9.01%, normal 
was 73.63% and fat was 17.36%. 
 
Based on table 5, it shows that out of 311 respondents there were 9.01% of respondents with 
malnutrition status, 17.36% of respondents were categorized fat while 73.63% of respondents were 
normal. From the results of this study it is known that there was more normal nutritional status than 
respondents who were thin and fat. Based on table 14, it is known that respondents with more or less 
nutritional status were experienced by respondents who were female and that is equal to 5.47%. 
Meanwhile respondents with surplus nutritional status were more experienced by male respondents 
with a percentage of 9%. 
 
Worm disease is an endemic and chronic disease caused by worms with a high prevalence. It is 
however not lethal, but it risks the health of the human body resulting in a decrease in nutritional 
conditions and mostly attacks toddlers and children of primary school age (8). From the results of the 
study in table 3 it is known that out of 311 respondents there were 8 respondents who experienced 
helminthiasis or by 2.57%. The results of the study shown in Table 4 indicate that helminthiasis 
experienced by respondents occurred due to infection from several types of worms, namely Ascaris 
lumbricoides by 12.5%, Americanus by 12.5%, Ancylostoma duodenale by 25%, Trichuris trichiura by 
12.5% and Enterobius vermicularis by 37.5%. 
 
Based on observations the low prevalence of helminthiasis could be caused by good behaviours that 
they had such as hand washing habits, defecation in the toilet, nails cutting once a week, fingernails 
biting prevention, and footwear using. This can also be a cause of low prevalence of worms. 
Behaviour had a relationship with infection with Soil Transmitted Helminth in students at Pertiwi 
Lamgarot Elementary School in Ingin Jaya District, Aceh Besar (9). The difference in the number of 
helminthiasis infections transmitted through soil can be influenced by differences in risk factors 
including geography and environment, community behaviour towards environmental sanitation and 
personal hygiene (10). 
 
The results of this study also showed that of the 8 respondents who were positively infected with 
helminthiasis, there were 6 respondents who were male and 2 females. This is in line with the 
previous studies which said that male sex can be a risk factor for infection with helminthiasis (OR = 
1.27). This can be due to the fact that a boy more often plays outside the house, so he interacts more 
frequently with the soil. Boys usually play soccer, play marbles or make toys from the ground (10). 
 
Based on table 6, it is known that out of 8 respondents infected with worms, there were 1 respondent 
who had underweight nutritional status, 6 respondents had good nutritional status and 1 respondent 
had fat nutritional status. This is in line with previous studies which showed that respondents who 
were positively infected with helminthiasis with a status of malnutrition were less compared to 
students who experienced helminthiasis with a good nutritional status (8). Students with malnutrition 
status were 36.4% and 63.6% were nutritionally good. Previous research showed that there was no 
relationship between sex and nutritional status (p value = 0.550). 
 
The results of statistical tests using Fisher's test for 2x2 tables or after cell merging that can be seen 
in table 16 which shows that the relationship between helminthiasis infection and nutritional status in 
elementary school students in the Moyudan Health Center work area shows that statistically there 
was no significant relationship between infection with nutritional status (p value = 0.534). The results 



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of this study's test can be concluded that helminthiasis was a risk factor that affects nutritional status 
but was not statistically significant (RP = 1,403, 95% CI = 0.217-9,087). 
 
The absence of a relationship between helminthiasis infection and nutritional status in elementary 
school students in the working area of Moyudan Health Center Sleman Regency could be due to the 
low number of children infected with helminthiasis, this is supported by the finding of the previous 
studies that the low intensity of helminthiasis was a factor that caused the absence in the relationship 
between helminthiasis and nutritional status (11). Besides, a good environmental condition around 
might also contribute to this case where most of the respondents’ homes had already have the 
availability of latrines in the category of fulfilling the conditions. In addition, the distance of the source 
of water from the disposal of faeces was ≥ 10 m. moreover, most of the respondents’ houses had 
used the type of floor that meets the requirements (12). Other studies also shown that many 
underweight children lived in slum areas with poor water sources, unhealthy latrines and poor sources 
of drinking water (13). The results of this study suggest that children who had poor nutritional status 
were not always due to helminthiasis infection, but there were other factors that affect the nutritional 
status. Previous research also shown the same thing that there was no relationship between 
helminthiasis infection and nutritional status based on BMI / U in children in Barabai darat 2 Primary 
School with a value of p value = 1,000. The results of the study showed that there was no significant 
influence between helminthiasis infection and nutritional status. One reason was because it was not 
only an infection that could affect the state of human nutrition, but it could also be caused by many 
other factors. In addition, the process from helminthiasis to a decrease in nutritional status requires a 
certain period of time and with the severity of certain infections (14). 
 
Theoretically, helminthiasis, which is one of the infectious diseases, is one of the direct causes that 
will affect one's nutritional status. This worm can lead to a decrease in the condition of health, 
nutrition, intelligence and productivity of the sufferer so that it causes many economic losses. Worms 
can cause loss of carbohydrates and proteins and blood, thus reducing the quality of human 
resources. Worms as parasitic animals do not only take nutrients in the child's intestine, but also 
damage the intestinal wall so that they disturb the absorption of these nutrients (6). Nutritional loss is 
calculated based on the behaviour of each species of worm which harms the sufferer (15). 
 
Calculation of nutrient loss and economic loss in 3 worm species, namely Ascaris lumbricoides, 
Trichuris trichiura and Hookworm was done because these three species provide the greatest loss to 
sufferers. Food intake and infectious diseases are the direct causes of malnutrition (15). Nutritional 
and blood loss is likely to increase as the worm's intensity increases in the patient's body, the rapid 
development of worms requires immediate treatment to prevent new infections from occurring (2). 

CONCLUSIONS  

Based on the results of the research and discussion, it could be concluded that there is no correlation 
between helminthiasis infection and nutritional status in elementary school students in the Moyudan 
Health Center Working Area in Sleman Regency. 

AUTHORS’ CONTRIBUTION 

All researchers contributed to conducting research ranging from surveys, data collection, data 
analysis to the preparation of research reports. 

FUNDING 

Institute for Research and Community Service. 

Acknowledgements 

The researcher would like to thank Universitas Ahmad Dahlan Yogyakarta for providing support and 
funding for this research. 

 



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Conflict of interest 

There are no conflicts of interest. 

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