By Gilang Cahya 
A groundbreaking study conducted during the unprecedented circumstances of the COVID-19 pandemic has challenged long-held assumptions about the pervasive positive impact of pet ownership on human well-being. Contrary to popular belief and widespread anecdotal evidence, researchers have found no statistically significant alteration in respondents’ overall well-being, whether they acquired a pet or experienced the loss of one during the periods of intense social isolation. This research, published in the esteemed journal Scientific Reports, suggests that the celebrated "pet effect"—the hypothesized boost in life quality derived from companionship with animals—may not be as universally transformative as commonly perceived, even during times of extreme human solitude and psychological distress.
Unpacking the "Pet Effect": A Long-Standing Hypothesis Under Scrutiny
For decades, the idea that pets enhance human lives has been deeply ingrained in societal understanding. From the comforting presence of a cat curled on a lap to the energetic enthusiasm of a dog greeting its owner, the emotional connections forged between humans and their animal companions are often lauded as sources of joy, stress reduction, and companionship. This perceived benefit, commonly referred to as the "pet effect," has influenced societal norms, public health initiatives, and even marketing strategies by pet-related industries. Shelters and adoption agencies frequently promote pet acquisition as a remedy for loneliness, particularly among vulnerable populations such as the elderly or those experiencing isolation.
However, the scientific community has historically struggled to quantify and consistently demonstrate this effect through rigorous empirical research. While numerous studies have pointed to potential benefits, such as reduced blood pressure, increased physical activity, and lower levels of stress hormones like cortisol, these findings have often been based on specific demographics, controlled environments, or self-reported data, making it challenging to establish a universal causal link. The complexity arises from a multitude of confounding factors, including individual personality traits, pre-existing mental health conditions, the specific type of pet, the quality of the human-animal bond, and the owner’s lifestyle and social support networks.
The Pandemic as an Unforeseen Laboratory
The advent of the COVID-19 pandemic in early 2020 provided a unique, albeit challenging, real-world scenario to test the robustness of the human-animal bond. As governments worldwide implemented strict lockdown measures, billions of people were confined to their homes, drastically curtailing face-to-face interactions with friends, family, and colleagues. This period of enforced isolation, characterized by heightened anxiety, uncertainty, and a profound sense of loneliness for many, presented an unprecedented opportunity to observe how the presence or absence of pets might influence psychological well-being under extreme conditions.
It was within this extraordinary context that researchers at ELTE Eötvös Loránd University in Hungary embarked on a comprehensive study to investigate the impact of pet acquisition and loss during the pandemic. Their work aimed to move beyond anecdotal observations and delve into the quantitative changes in well-being experienced by individuals who either welcomed a new animal into their homes or lost a beloved pet during this critical period.
The Study: Methodology and Data Collection
The study, spearheaded by the MTA-ELTE ‘Momentum’ Companion Animals Research Group, leveraged a substantial dataset collected through a collaborative effort with a psychology team led by Zsolt Demetrovics and Róbert Urbán. This collaboration provided access to a unique longitudinal dataset, allowing researchers to track changes in participants’ well-being over time.
Between March and December 2020, nearly three thousand individuals across Hungary participated in three waves of data collection. This timeline was strategically chosen to capture the initial shock and adaptation phases of the lockdown, as well as the evolving emotional landscape during the pandemic. Participants completed surveys assessing various aspects of their psychological well-being, including measures of cheerfulness, calmness, life satisfaction, activity levels, and loneliness.
A crucial aspect of the study involved identifying participants who experienced a change in their pet ownership status during the data collection period. The researchers identified a cohort of 65 individuals who acquired a pet and another group of 75 who lost a pet. These specific subgroups were then analyzed to compare their well-being trajectories with those who maintained their pet ownership status or did not own pets at the outset.
Enikő Kubinyi, the head of the research group, highlighted the significance of this dataset: "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 longitudinal design was critical for understanding the temporal dynamics of any potential pet-related effects.
Findings: A Challenging of Romanticized Notions
The results of the ELTE Eötvös Loránd University study delivered findings that may surprise many who hold a romanticized view of the human-animal bond. Contrary to the expectation that acquiring a pet would universally alleviate distress and enhance happiness, the data painted a more complex and less consistently positive picture.
Initial Boost, Lingering Decline: The study observed a brief, short-lived increase in cheerfulness immediately following the acquisition of a dog. However, this initial uplift proved to be transient. When examining longer-term effects, the researchers found that dog owners’ reported levels of calmness, life satisfaction, cheerfulness, and overall activity had, in fact, declined. This suggests that the initial novelty or perceived benefit of a new pet might not translate into sustained improvements in key well-being indicators.
The Unexpected Insignificance of Pet Loss: Perhaps the most surprising finding was the apparent lack of significant impact on the well-being of individuals who lost a pet during the study period. In a time when grief and loss were pervasive themes due to the pandemic itself, the loss of a pet did not register as a distinct, measurable detractor from overall psychological well-being for the majority of respondents. This challenges the widely accepted notion that pet loss is a deeply traumatic event that invariably leads to significant emotional distress.
Ádám Miklósi, who initiated the data collection on companion animals, emphasized the unique nature of the dataset: "We rarely have access to data that documents spontaneous pet acquisition from people unbiased in their attitude toward pet ownership. 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." This observation suggests that the decision to acquire a pet might be driven by factors other than a pre-existing deficit in well-being, and that the absence of a pet might not be acutely felt by all household members.
Loneliness and Anxiety: An Unforeseen Connection: The study also yielded a particularly striking insight regarding loneliness. Judit Mokos, a data scientist and one of the paper’s first authors, stated, "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 finding directly contradicts a cornerstone of pet adoption advocacy, suggesting that the introduction of a pet, particularly a dog, may introduce new stressors and anxieties that offset any potential reduction in loneliness. The increased responsibility, financial commitment, and the need to adapt to a new creature’s needs could contribute to this heightened anxiety.
Implications and Broader Impact
The findings of this study carry significant implications for how we understand the role of pets in human lives and for the narratives promoted by animal welfare organizations and the pet industry.
Rethinking Pet Adoption Narratives: The notion that adopting a pet is a guaranteed panacea for loneliness, particularly for vulnerable groups, appears to be an oversimplification. While individual experiences may vary, this research suggests that the impact is not as straightforward as often portrayed. It raises questions about the ethical implications of promoting pet adoption solely on the basis of alleviating loneliness, especially if it may inadvertently lead to increased anxiety for some owners. Future adoption campaigns might need to adopt a more nuanced approach, emphasizing the commitment and responsibility involved, and perhaps focusing on the mutual benefits of a well-matched human-animal relationship rather than a one-sided solution to a complex human problem.
Individual Variability and Specific Populations: The researchers themselves acknowledge that their findings might not apply universally. 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" might be highly contingent on individual predispositions, the strength of the pre-existing human-animal bond, and the specific life circumstances of the owner. Individuals who are already deeply connected to animals or who possess a strong intrinsic motivation for pet ownership may indeed experience significant benefits, even during challenging times. Conversely, those who acquire pets for superficial reasons or under external pressure might not derive the same advantages.
The Role of Stressful Periods: The study’s timing during a global crisis is crucial. The heightened stress, anxiety, and disruption caused by the pandemic may have overshadowed or altered the typical dynamics of pet ownership. It is plausible that under normal circumstances, the effects of pet acquisition and loss might be more pronounced. However, the extreme nature of the pandemic likely introduced a complex web of factors that influenced participants’ overall well-being, making it difficult to isolate the precise impact of pet-related changes.
Future Research Directions: This study opens avenues for further investigation. Future research could explore the specific psychological profiles of individuals who genuinely benefit from pet ownership versus those who do not. It could also delve deeper into the types of human-animal interactions that are most conducive to well-being and examine how different types of pets might influence different aspects of human psychology. Longitudinal studies that extend beyond periods of crisis and investigate the long-term effects of pet ownership across diverse populations are also warranted.
In conclusion, the findings from the ELTE Eötvös Loránd University study offer a valuable, albeit perhaps sobering, re-evaluation of the universally assumed positive impact of pets on human well-being. While the emotional bonds between humans and animals remain a significant aspect of many lives, the COVID-19 pandemic has illuminated that these bonds may not always be the transformative force that popular culture and even some scientific discourse have suggested, particularly for the average individual navigating extraordinary times. The reality of the human-animal relationship appears to be far more nuanced, influenced by individual circumstances, motivations, and the complex interplay of external stressors.