By Gilang Cahya 
A groundbreaking study conducted amidst the unprecedented isolation of the COVID-19 lockdowns has cast a shadow of doubt over the widely held belief in a universal "pet effect" on human well-being. Researchers at Eötvös Loránd University (ELTE) in Hungary have meticulously analyzed data collected from nearly 3,000 participants, revealing that acquiring or losing a pet during the pandemic did not yield significant, lasting changes in their reported levels of well-being. These findings challenge deeply ingrained societal perceptions and suggest that the emotional impact of human-animal bonds may be less transformative, even during periods of extreme societal disruption, than commonly assumed.
The Pandemic as a Natural Experiment for Human-Animal Bonds
The global COVID-19 pandemic, which began in early 2020, presented a unique and, in many ways, tragic natural experiment. Governments worldwide implemented stringent lockdown measures, confining populations to their homes and drastically curtailing social interactions. This period of enforced isolation, characterized by widespread fear, uncertainty, and a profound lack of external stimulation, created an environment where the psychological impact of companionship, including that provided by pets, could be observed and measured with unusual clarity. For many, pets became a primary source of comfort and routine in a world that had been turned upside down. The prevailing narrative often highlighted stories of individuals adopting pets to combat loneliness and anxiety, fueling the idea that these animal companions were essential for maintaining mental health during these challenging times.
However, the scientific community has historically struggled to definitively quantify the "pet effect"—the hypothesized positive influence of pet ownership on an individual’s physical and mental health. While numerous studies have pointed to correlations between pet ownership and improved mood, reduced stress, and increased physical activity, establishing a direct causal link and understanding the nuances of this relationship has remained complex. The ELTE study, leveraging the specific circumstances of the pandemic, aimed to address some of these long-standing questions by examining actual pet acquisition and loss events during a period of heightened emotional vulnerability.
ELTE Study Methodology and Data Collection
The research, published in the esteemed journal Scientific Reports, was spearheaded by the MTA-ELTE ‘Momentum’ Companion Animals Research Group. The study’s strength lies in its longitudinal design and the robustness of its dataset. Researchers gained access to data collected from almost 3,000 individuals across Hungary who participated in three separate data collection waves. These waves were strategically timed several months apart, allowing for the observation of changes in well-being over extended periods.
"Through a collaboration with a psychologist team led by Zsolt Demetrovics and Róbert Urbán, we had access to a unique data set," explained Enikő Kubinyi, the lead researcher and head of the Companion Animals Research Group. "During the 2020 COVID-19 lockdowns, almost three thousand people across Hungary participated three times in data collection, several months apart. We noticed that 65 people acquired a pet and 75 lost one during the study, and decided to investigate how their well-being changed over time."
This specific cohort provided a valuable opportunity to study spontaneous pet acquisition and loss events, rather than relying on data from individuals who had already made a deliberate decision to own a pet. This distinction is crucial, as Ádám Miklósi, who initiated the companion animal data collection, emphasized. "We rarely have access to data that documents spontaneous pet acquisition from people unbiased in their attitude toward pet ownership," Miklósi stated. "Usually, pet lovers are identified and studied when the decision to adopt an animal is already settled. It appears that, at least during stressful periods, the average person, who may not be the primary caregiver but simply shares a household with the pet, is not significantly affected by the pet’s loss, nor is their well-being a strong predictor of the decision to acquire one."
The study measured various aspects of well-being, including cheerfulness, calmness, life satisfaction, and activity levels. By tracking these metrics before and after the introduction or departure of a pet, the researchers sought to identify any statistically significant shifts.
Unpacking the Findings: A Nuanced Reality
The results of the ELTE study present a stark contrast to the often-romanticized portrayal of pet ownership. Contrary to expectations, the research found little evidence to support the notion that pets universally enhance human emotional well-being, particularly in the long term.
While a transient increase in cheerfulness was observed immediately following the acquisition of a dog, this effect proved to be short-lived. Over time, dog owners in the study reported a decline in their overall calmness, life satisfaction, and activity levels. This finding is particularly surprising, as these are precisely the attributes often associated with the positive influence of canine companionship.
Perhaps the most counterintuitive finding was the apparent lack of impact on well-being following the loss of a pet. For many, the death of a beloved animal is a deeply traumatic experience, often leading to profound grief and emotional distress. However, the study’s data indicated that, for the average participant in this cohort, losing a pet did not register as a significant disruption to their overall emotional state. This suggests that the intensity of grief associated with pet loss might be more individual and dependent on specific relational dynamics than a universal phenomenon.
Loneliness and Anxiety: A Different Perspective on Pet Acquisition
The study also delved into the impact of pet ownership on loneliness, a pervasive issue exacerbated by the pandemic. The findings here were particularly striking and potentially controversial. Judit Mokos, a data scientist and one of the paper’s lead authors, expressed her surprise: "What surprised me most was that a new pet in the household had no effect on the respondents’ loneliness. Dog adoption is often promoted as a solution for elderly and/or lonely people. Shelters and pet food companies promote adoption as a means of alleviating loneliness. However, our research suggests that dogs do not provide a real solution to loneliness; rather, they make the new owners more anxious."
This assertion challenges a cornerstone of pet adoption campaigns and a deeply held belief among many individuals and organizations. The idea that pets, particularly dogs, can serve as a bulwark against loneliness, especially for vulnerable populations, has been a powerful driver of adoption initiatives. The ELTE study’s findings, however, suggest a more complex reality, implying that the presence of a pet might introduce new sources of stress or anxiety, potentially negating any perceived benefits in combating feelings of isolation. This could stem from the added responsibilities of pet care, financial burdens, or the inherent unpredictability of animal behavior.
Implications and Future Directions
The implications of the ELTE study are far-reaching, prompting a re-evaluation of our societal assumptions about the "pet effect." Enikő Kubinyi concluded, "Based on the data, most people, living together with a companion animal, do not seem to experience any long-term ‘pet effect’, nor do they bond strongly with their animal. It is possible that the dynamics of the pandemic have led many to make impulsive choices against their long-term interest, or that only certain groups — like devoted animal lovers or older adults living alone — truly benefit from pets in stressful times."
This suggests that the "pet effect" may not be a monolithic, universally experienced phenomenon. Instead, it could be contingent on a variety of factors, including:
- Individual Predisposition: Pre-existing attitudes towards animals, personality traits, and the capacity for forming strong interspecies bonds likely play a significant role.
- Relationship Dynamics: The quality and depth of the bond formed between the human and the animal are crucial. A pet that is merely present in a household may have a different impact than one that is deeply integrated into an individual’s life and emotional support system.
- Circumstances of Acquisition: As Kubinyi noted, impulsive decisions made during stressful periods might not lead to sustained positive outcomes. The motivation behind acquiring a pet—whether for companionship, a sense of purpose, or simply to fill a void—could significantly influence the eventual impact.
- Specific Demographics: The study hints that certain groups, such as dedicated animal enthusiasts or older adults living alone who may have a more pronounced need for companionship, might experience more pronounced benefits. Further research would be needed to confirm these hypotheses.
- Type of Pet and Caregiver Role: The study focused primarily on dog acquisition. The impact of cats or other companion animals, and the specific roles individuals play in pet care, could yield different results.
The ELTE study does not negate the genuine and profound bonds that many people share with their pets. Rather, it encourages a more nuanced and evidence-based understanding of these relationships. It suggests that the blanket assumption that all pet ownership leads to improved well-being might be an oversimplification.
Broader Societal Impact and Public Reaction
The findings of this study are likely to spark considerable discussion and potentially challenge established practices within animal welfare organizations and mental health advocacy groups. For years, the narrative surrounding pet adoption has been closely intertwined with messages of emotional healing and companionship. This research indicates a need for more targeted messaging and a greater emphasis on the responsibilities and potential challenges associated with pet ownership, rather than solely focusing on the perceived benefits.
Public reaction is anticipated to be varied. Pet owners who have experienced profound positive impacts from their animal companions may question the study’s generalizability to their own lives. Conversely, individuals who have acquired pets and found the experience less transformative than expected might feel validated by these findings.
The study’s conclusion—that during the COVID-19 pandemic, the emotional bonds people formed with animals often fell short of expectations—serves as a crucial reminder that while pets can undoubtedly enrich lives, they are not a panacea for all emotional challenges. Future research should aim to explore the specific conditions under which the "pet effect" is most pronounced and to identify the individual and relational factors that contribute to positive human-animal interactions. This will allow for more informed decisions regarding pet acquisition and a more realistic understanding of the complex interplay between humans and their animal companions.
