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CHAPTER I
THE PROBLEM AND ITS SETTING
Introduction
Crime has always posed a significant threat to the safety and
stability of communities. As urbanization and population growth
continue, so does the complexity and variety of criminal behavior. To
address this, law enforcement agencies categorize crimes into two
types: index crimes, which include serious offenses such as murder,
rape, robbery, and theft; and non-index crimes, which are less severe
offenses such as illegal gambling, alarm and scandal, and violations of
special laws or ordinances. These classifications allow authorities to
prioritize responses and analyze trends over time. In Digos City, the
presence of both index and non-index crimes continues to impact
public safety and community trust in law enforcement.
Globally, crime classification plays a crucial role in measuring
and comparing criminal activity across different regions. According to
the United Nations Office on Drugs and Crime (2023), the use of
standardized definitions for crime types—particularly intentional
homicide and violent crimes—enables countries to track progress and
challenges in crime prevention. These classifications are similar to the
Philippine system of index and non-index crimes. Reichel (2022)
emphasized that many justice systems around the world have adopted
dual-level classifications to distinguish between violent crimes and less
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severe infractions, which aids in resource allocation and crime
management strategies. Meanwhile, Tonry (2019) discussed how long-
term crime trends in the United States and other developed countries
show fluctuations in both violent and property crimes, stressing the
influence of socio-economic factors and community policing in
reducing overall crime rates. These studies offer valuable insights into
how crime classification, monitoring, and policy can impact public
safety on a global scale.
In the Philippine context, crime data are reported and
categorized into index and non-index crimes, allowing policymakers
and law enforcement agencies to formulate crime prevention
programs. According to the Philippine Statistics Authority (2023), index
crimes such as theft and physical injury have seen fluctuating trends
over recent years, often influenced by factors such as community
involvement, drug-related operations, and economic instability. Castillo
(2020) explored the effects of community-oriented policing in Metro
Manila, finding a significant reduction in certain index crimes due to
stronger police-community relationships and improved crime reporting
systems. Similarly, Dizon (2021) analyzed crime patterns in urban
areas, identifying that theft and robbery were among the most
prevalent index crimes, while alarm and scandal topped the list of non-
index offenses. These national studies provide context for
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understanding how different crime types affect urban centers and
inform effective policing strategies.
At the local level, studies conducted in Davao del Sur and
neighboring areas offer specific insights into crime trends within
smaller communities like Digos City. Torres and Javier (2021) examined
the crime statistics in Region XI and noted that theft, physical injury,
and alarm and scandal were among the most commonly reported
cases in Digos City. Their findings also highlighted how local law
enforcement initiatives and barangay coordination impacted the
reporting and resolution of non-index crimes. Labrador (2022) focused
on the public perception of safety in Digos City, revealing that while
residents are more concerned about index crimes such as robbery and
assault, non-index crimes contribute significantly to the fear of
disorder. Another study by Manlapig and Roque (2020) on crime
prevention measures in Davao del Sur emphasized the importance of
crime mapping and barangay-based interventions in reducing both
types of crimes.
There is a significant gap in existing research when it comes to
understanding the specific dynamics of index and non-index crimes in
Digos City from 2020 to 2024. While many studies have focused on
national crime trends or analyzed certain types of crime individually,
there has been little research dedicated to comparing both index and
non-index crimes within a localized context over an extended period.
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Previous studies often rely on limited datasets or anecdotal evidence
and do not provide a comprehensive analysis of crime trends in Digos
City specifically. The purpose of this study is to conduct a comparative
analysis of index and non-index crimes in Digos City from 2020 to
2024. By examining trends in both categories of crime, this study aims
to identify patterns of criminal activity, including which crimes have
seen an increase or decrease in frequency.
Statement of the Problem
In general, this study will be conducted to compare the index
crime and non-index crime rate in Digos City from year 2020 to 2024.
Specifically, this seeks to answer the following research problems:
1. What type of index crimes were recorded in Digos City from
2020 to 2024?
2. What type of non-index crimes were recorded in Digos City
from 2020 to 2024?
3. What is the prevalence and rate of recorded index and non-
index crimes in Digos City from 2020 to 2024?
Theoretical Framework
This study is based on the Routine Activity Theory developed by
Cohen and Felson (1979). The theory posits that crime occurs when
three elements converge in time and space: a motivated offender, a
suitable target, and the absence of a capable guardian. According to
this theory, criminal incidents are not necessarily caused by social or
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psychological abnormalities but rather by the routine patterns of
everyday activities that create opportunities for crime to occur. The
relevance of this theory to the study lies in its ability to explain the
fluctuations and types of crimes both index and non-index reported in
Digos City. The Routine Activity Theory helps understand how changes
in community activities, economic conditions, or law enforcement
presence may influence crime rates over time. For example, increased
public movement or lack of law enforcement visibility may correlate
with higher rates of theft or alarm and scandal. This framework
provides a lens to examine not just the occurrence of crimes, but also
the situational factors that may lead to higher crime rates in certain
areas or periods, thereby supporting the comparative nature of the
study.
In addition, this study is also grounded in the Social
Disorganization Theory introduced by Shaw and McKay (1942). This
theory posits that crime is more likely to occur in communities with
weakened social institutions, such as family, education, and local
governance. High crime rates are often linked to poverty, residential
mobility, and lack of community cohesion. The relevance of this theory
to the study lies in its emphasis on the community’s role in crime
prevention. By comparing crime rates and types between Digos City
and Santa Cruz, the study may reveal how social and economic
conditions in each locality influence the prevalence of both index and
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non-index crimes. The theory supports the notion that crime is not only
the result of individual choices but also the product of environmental
and community factors.
Conceptual Framework
Independent Variable
Index Crime Non-Index Crime
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Crime
Rate
Dependent Variable
Figure 1: Show the variable of the study.
Figure 1 shows the schematic diagram of the study. It revealed
the independent variables such as the Index and non-index crime data
and the dependent variable is the crime rate in Digos City, Davao del
Sur year 2020 to 2024.
Scope and Delimitation of the Study
This study will be conducted in Digos City, Davao del Sur.
Particularly, secondary data will be gathered from the Digos City Police
Station.
Significance of the Study
Local Government Units (LGUs). This study is significant to
local government units as it can offer an in-depth understanding of the
trends and patterns of index and non-index crimes in Digos City from
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2020 to 2024. The findings can assist LGUs in formulating effective
crime prevention programs, allocating resources strategically, and
implementing policies that address the root causes of criminal behavior
in the community. By being informed of these patterns, LGUs can
proactively respond to the safety needs of their constituents and
ensure a more secure environment.
Law Enforcement Agencies. For law enforcement agencies,
particularly the Philippine National Police in Digos City, the study
serves as a vital resource for evaluating the success of their current
crime control strategies. The comparative data on index and non-index
crimes can guide the PNP in optimizing their personnel deployment,
enhancing community policing programs, and creating focused
interventions that address specific types of crimes that have increased
over time. This can lead to more efficient and effective policing in the
city.
Criminology Students and Educators. Criminology students
and educators will greatly benefit from this study as it bridges the gap
between theory and practice. The analysis of real-world crime data in a
local context provides a practical learning experience that can deepen
students’ understanding of criminal behavior, law enforcement, and
crime prevention. Educators can also use the study to enrich their
teaching materials and encourage critical thinking and research-based
discussions in the classroom.
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Community Residents of Digos City. The residents of Digos
City are among the primary beneficiaries of this study. By being
informed of the types and frequency of crimes occurring in their
communities, they become more aware and vigilant. The findings of
the study can encourage citizens to actively participate in crime
prevention efforts and cooperate with local authorities. Ultimately, the
study promotes a sense of shared responsibility in maintaining peace
and order in the city.
Policy Makers. This study can also beneficial to policymakers,
both at the local and national levels, as it provides empirical data that
can inform the development of policies and legislation. Understanding
the dynamics of index and non-index crimes in Digos City allows
policymakers to craft more targeted and effective laws, ordinances,
and crime prevention initiatives. These policies can address
community-specific issues and contribute to long-term solutions in
public safety.
Future Researchers. Future researchers will find this study
useful as a reference point for their own investigations into crime
trends, public safety, or criminal justice systems. It lays the
groundwork for further studies, whether comparative or exploratory, in
nearby cities or across different time periods. The data and insights
gathered from this study can inspire deeper analysis and more
comprehensive research in the field of criminology and public safety.
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Definition of Terms
The following terms are operationally defined for accuracy and
precision:
Crime Rates. Refers to the measure of frequency or incidence of
reported criminal incidents within a specific population over a given
period. In this study, the crime rate in Digos City will be calculated as
the total number of reported index and non-index crimes per 1,000
residents, annually from the years 2019 to 2023. The crime rate will
provide an indicator of the level of criminal activity within the
community and serve as the primary outcome variable for analyzing
crime trends and patterns over time in Digos City.
Digos City. Refers to as the geographical and administrative
region under study, located in Davao del Sur, Philippines.
Index crimes. Refers as Part I crimes, are serious criminal
offenses that are commonly used as indicators of overall crime rates
and trends within a community. In this study, index crimes include the
following categories as defined by law enforcement agencies: Murder,
rape, robbery, aggravated Assault, burglary, larceny-theft, motor
vehicle theft and arson. Index crimes will be identified based on official
crime reports and statistics provided by law enforcement agencies in
Digos City.
Non-index crimes. Refers as Part II crimes, encompass a
broader range of criminal offenses that are typically less serious in
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nature compared to index crimes. In this study, non-index crimes
include various categories of criminal activities beyond those classified
as index crimes, such as: Simple Assault, Vandalism, drug offenses,
fraud, disorderly Conduct and other miscellaneous offenses. Non-index
crimes will also be identified based on official crime reports and
statistics provided by law enforcement agencies in Digos City.
CHAPTER II
REVIEW OF RELATED LITERATURE AND STUDIES
This chapter offers an examination of prior literature and
research outcomes from global, national, and local perspectives that
pertain to the current study.
Foreign Literature and Studies
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A study in the United States revealed that while property crimes
dropped significantly during early pandemic months, incidents of
domestic violence increased. The researchers concluded that changes
in daily routines and increased time spent at home altered the
landscape of crime, both in terms of frequency and type (Mohler et al.,
2020). Similarly, Campedelli et al. (2021) found that in Italy, the
COVID-19 lockdowns were associated with a temporary reduction in
most crimes, particularly violent and property-related offenses. Yet,
they also pointed out that these reductions may not reflect long-term
trends, suggesting the need for multi-year analysis—just like the one
being conducted in this study.
Moreover, the FBI Uniform Crime Reporting Program continues to
serve as a valuable model for distinguishing between index (Part I) and
non-index (Part II) crimes. In its 2022 report, the FBI noted an ongoing
decline in index crimes such as burglary and larceny, although some
categories like aggravated assault and motor vehicle theft showed
minor increases. This evolving trend demonstrates the importance of
evaluating both types of crimes over time and in relation to external
factors such as economic conditions and public health crises (FBI,
2022).
In a study conducted in Canada, a study analyzed crime trends in
Vancouver and noted that pandemic-related restrictions led to spatial
and temporal shifts in criminal activity. Crime decreased in commercial
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areas but increased in residential zones, reinforcing the argument that
environmental factors significantly influence crime rates (Hodgkinson
& Andresen, 2020).
Furthermore, study reviewed global crime data and concluded
that while many countries reported drops in traditional crimes during
2020, non-contact crimes such as cyber fraud and domestic abuse rose
sharply. This finding highlighted how different crime categories respond
to major societal changes—a central point in comparative crime
studies (Payne et al., 2020).
Crimes are classified into index and non-index crimes for a
statistical basis and to create a standardized definition of crime
classification. Index crime includes crimes against persons such as
homicide, murder, physical injury and rape, and crimes against
property such as robbery, theft, carnapping/carjacking. On the other
hand, non-index crimes are violations of special laws like illegal
activities and local ordinances (Tadjoeddin, 2021).
Crime destroys life in many ways. It restricts movement, thereby
impeding access to possible employment and educational
opportunities. It also discourages the accumulation of assets. As crime
makes individuals risk-averse it retards entrepreneurial and other
economic activity. Different types of crime have their own causes.
Some of the key criminological theories seek to explain the causes of
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crime which are classified into two main approaches: Biological
theories and sociological theories (Xue, 2020).
Furthermore, sociological approaches assume that crime is
shaped by factors external to the individual: their experiences within
the neighborhood, the peer group, and the family. Contemporary
theories of crime, place, and space include defensible space theory,
which studies how the design of physical space is associated with
crime; broken windows theory, which looks at the relationship between
low-level disorder and crime; and routine activities theory, which
deliberates how opportunities to commit crime are shaped by between
people’s everyday movements through space and time (Madni, 2019).
The crime pattern and prediction literature examine the
relationship between crime and a variety of characteristics, resulting in
the development of methodologies for crime forecasting. Most works
are devoted to predicting hotspots, and locations of different
geographic areas with a high chance of crime. Within crime prevention
studies, researchers have used similar approaches to empower
communities to develop practical solutions to address crime in their
communities. Studies demonstrating that community engagement led
to decreased violence in their cities are promising but scarce (Rupp et
al., 2020).
A study provides insights into the global prevalence and patterns
of drug use, including drug possession for personal use. The study
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analyzes data from surveys and epidemiological studies to identify
trends in the prevalence of drug use across different regions,
populations, and substances. Findings highlighted the widespread
nature of drug possession for personal use and variations in patterns of
use over time (Degenhardt et al., 2019).
Studies explored the social determinants and risk factors
associated with drug possession for personal use. These studies
investigate demographic characteristics, socioeconomic status, peer
influences, and mental health factors that contribute to drug use and
possession among individuals (ElSohly & Salamone, 2018).
Understanding these risk factors is crucial for developing targeted
interventions and prevention strategies. Additionally, a study examined
the consequences of drug possession for personal use on individuals,
families, and communities. The study investigates the health
outcomes, legal consequences, and social ramifications of drug use
and possession, including stigma, discrimination, and barriers to
treatment and recovery. Findings underscore the need for
comprehensive approaches to address the multifaceted impacts of
drug possession for personal use (Lee, 2020).
Local Literature and Studies
Recent Philippine studies and reports show significant trends and
shifts in both index and non-index crimes in response to social,
political, and health-related events. According to the Philippine
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National Police (PNP, 2024), there was a 61.87% decrease in index
crimes nationwide between July 2022 and July 2024. This drop was
attributed to strengthened community policing, enhanced surveillance,
and the revitalized internal cleansing program. Crimes such as theft,
physical injuries, and robbery showed notable reductions. Meanwhile,
non-index crimes like violations of special laws (e.g., RA 9165 or the
Dangerous Drugs Act) remained prevalent but showed some decline
due to sustained anti-crime campaigns.
In the Davao Region, the Davao City Police Office (DCPO)
reported a 28.47% decrease in index crimes from January to May 2024
compared to the same months in 2023. This trend reflected effective
implementation of localized crime prevention strategies, community
mobilization, and continuous police visibility (SunStar Davao, 2024).
Although index crimes declined, the DCPO also noted challenges in
addressing non-index crimes such as illegal gambling, cybercrime, and
traffic violations, which require different intervention strategies.
Moreover, a study conducted by Requiestas (2022) investigated
crime trends during the pandemic and found that while physical crimes
decreased due to lockdowns, there was an increase in non-index
crimes, particularly in online scams and domestic-related complaints.
This aligns with the PNP Anti-Cybercrime Group’s observations on the
rising cases of cyber fraud and identity theft during the height of the
pandemic. Another local study by Lopez (2021) emphasized the
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importance of community-based crime prevention programs in
minimizing index crimes, particularly in urban areas like Davao and
nearby cities.
As of 2020, the country’s order and security index score in terms
of the absence of crime was almost 0.7, where a result of one (1)
meant it was effectively controlled or organized. In the past year, the
Philippine National Police fortified its crime solution initiatives, which
significantly helped the nation in its crime solution efficiency.
Numerous joint talks about peace and security between the agencies
of the Philippine National Police and Armed Forces of the Philippines
could help in making a safer country (Sanchez, 2020).
Increasing crime solution efficiency in any nation requires
understanding of the crime trends and their associations to specific
locations, which will enhance the crime prevention and management of
the police and other enforcement agencies. Crime prevention and
management are at the forefront of the agenda of the Philippine
government under the Duterte administration. One of the
administration's goals is to improve the lives of Filipinos by
aggressively reducing corruption and crimes. To cite a few of its
strategies, the government has implemented the anti-narcotics
campaign or most known as the 'War-on-Drugs,' and the continuous
fight against criminality, resulting in thousands of drug-peddlers all
over the country (Gita-Carlos, 2019).
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According to Martinez (2019), the Philippines has the highest rate
of murder cases, among other countries in Southeast Asia as of 2013.
Most major cities are plagued with a high occurrence of crimes,
especially those living in larger urban cities in the country. Crime in the
Philippines is one of the concerns that every local is facing. Due to the
increase in the rate of crime in 2009, Police found challenges in
Maintaining security and order. In a recent discovery, the most
prevalent crime in the country was theft and physical injury. Crime
against property reckoned for more than 30 percent of the country’s
entire crime list. Physical injury, on the other hand, accounted for
around 28 percent. Compared to 2017’s findings, crimes from this
selection declined, recording a fourfold drop. There were around 715
crime incidents per 100,000 individuals in the Philippines as of 2014.
The crime rate occurrences across the country have significantly
increased over the last six years, the Cordillera Administrative Region
(CAR) had around 1.2 thousand crime incidents per 100,000 individuals
(Sanchez, 2020).
Interestingly, crime prevention policies have been incorporated
in national economic development plans of the Philippines. The
Medium-Term Philippine Development Plan embodies as one of its
policy frameworks for the improvement of law and order, and law
enforcement administration of justice. It emphasizes the government’s
role to guarantee public safety and national security, while ensuring
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that the rule of law prevails. Thus, ensuring peace and order rests
primarily on the ability of the government to curb criminal activities. In
this regard, it is vital to strengthen the criminal justice system. Hence
research on the trends of the index crimes and their locations is an
important data that will support the criminal justice system in the
Philippines especially in the regional and local contexts. Further
investigated the relationship between economic indicators, such as
unemployment rates and poverty levels, and index crime rates. The
study explored how economic downturns and fluctuations affected the
commission of serious offenses within communities (Martinez, 2019).
A study concluded that while overall crime rates fluctuated
throughout the year, murder emerged as a persistent index crime,
contributing significantly to the city's crime index. The findings
underscored the importance of addressing homicide as a priority
concern for local law enforcement and policymakers to enhance public
safety and community well-being (Garcia et al., 2023).
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CHAPTER III
METHODOLOGY
This chapter outlines the research design, sampling
methodology, participants, study locale, research instruments, data
gathering procedures, and statistical analysis techniques applied to the
data collected in the study.
Research Design
This study adopts a quantitative, comparative research design to
analyze crime trends in Digos City from 2020 to 2024. It aims to
examine both index and non-index crimes within this period. The
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research will use secondary data sourced from official crime reports
and police records provided by the Digos City Police Station. Data will
be analyzed to identify and compare crime rates across the years,
distinguishing between index crimes and non-index crimes. To ensure
the accuracy and reliability of the findings, the data collection will
follow a consistent method. Bar graphs will be used to visually
compare the frequency of crimes across different years and categories.
Subjects/Respondents of the Study
The subjects of this study are police personnel from the Digos
City Police Station, who will provide the secondary data on crime rates.
These respondents will assist in gathering the data related to crime
trends and will also provide valuable insights into the interventions
implemented by the police to address the rise or fall in crime rates in
Digos City.
Research Locale
The study will be conducted at the Digos City Police Station,
located in Digos City, Davao del Sur. The Digos City Police Station will
serve as the primary source of secondary data, including police records
and crime reports covering the years 2020 to 2024. This location is
chosen due to its accessibility to comprehensive and reliable crime
data.
Research Instrument
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The main instrument for this study will be the secondary data
collected from official crime reports and police records from the Digos
City Police Station. These records detail reported criminal incidents in
Digos City and cover a wide range of offenses documented by law
enforcement authorities. The dataset will serve as the foundation for
analyzing crime patterns, trends, and the distribution of both index and
non-index crimes during the study period.
Data Gathering Procedure
The data gathering procedure will follow these steps:
1. The researchers will submit a formal letter to the Dean of the
College to request approval to conduct the study on crime rates
in Digos City from 2020 to 2024. The letter will outline the
purpose of the study and its significance in understanding crime
dynamics in the city.
2. Upon approval, a formal request letter will be sent to the Digos
City Police Station to request access to the relevant crime data
for the period under study. The researchers will clarify the data
required, including crime rates, types of crimes, and any relevant
demographic information.
3. Once the data is obtained, the researchers will organize and
categorize the data based on the type of crime (index or non-
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index), year, and frequency of incidents. The researchers will
then analyze the data using appropriate statistical tools.
4. The results from the statistical analysis will be interpreted and
used to draw conclusions regarding crime trends in Digos City
and to develop recommendations for law enforcement and
policymakers.
Statistical Treatment of Data
The following statistical tools and methods will be used to
analyze the data:
Frequency Analysis: This analysis will be used to count and
categorize the occurrences of different index and non-index crimes
over the study period. The analysis will help identify patterns and
trends, such as which types of crimes are most prevalent and how their
frequency changes over time or across different years.
Bar Graphs: Bar graphs will be used to visually compare the
frequency of index and non-index crimes across different years (2020
to 2024). Each crime category (index or non-index) will be represented
by a separate bar, with the height of the bar reflecting the number of
reported incidents for each category.
Pie Charts: Pie charts will be used to show the proportion of
index crimes and non-index crimes relative to the total number of
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crimes. Each slice of the pie will represent a crime category, and the
size of the slice will correspond to the proportion of total crimes that
each category represents.
Percentages: Percentages will be calculated to evaluate the
relative distribution of index and non-index crimes in Digos City. This
will involve categorizing the reported incidents into index and non-
index crimes and calculating the percentage contribution of each
category to the total number of crimes.
By employing these statistical tools, the researchers aim to provide a
clear and comprehensive analysis of the trends in crime in Digos City,
offering valuable insights into the nature and dynamics of criminal
activity during the 2020-2024 period.
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