What the Research Says: Dogs, Work, and a Healthier Society

Dogs are good company. But do they actually make people healthier, calmer, and better at their jobs? We went through the peer-reviewed research so you don't have to. Every number below comes from a published study or an official statistic, linked at the end — and where the evidence is thin, we say so.

1. At work: less stress, more engagement (with caveats)

• In a Virginia Commonwealth University study (Barker et al., 2012), employees who brought their dog to work reported falling stress over the day, while colleagues without a dog reported rising stress. On days the dog stayed home, the same owners' stress rose like everyone else's. Salivary cortisol, however, showed no significant difference — the effect was in how people felt, not in the hormone.
• A UK survey of 749 workers (Hall & Mills, 2019) found that people who frequently bring their dog to the office scored higher on work engagement (4.28 vs 3.52 on a 6-point scale), lower on intention to quit (15.2 vs 17.8), and higher on workplace friendships and overall work quality of life. Effect sizes were small-to-medium, and the sample was self-selected and ~90% women.
• In three lab experiments (Colarelli et al., 2017), work groups with a companion dog in the room showed more verbal cohesion and cooperation on a problem-solving task and rated teammates as more trustworthy.
• Case studies of dog-friendly companies (Wagner & Pina e Cunha, 2021) found the benefits — lower stress, better communication — showed up only where the culture was already flexible. Rigid rules around dogs created new pressure instead.

Industry surveys paint a rosier picture: a Nationwide/HABRI study of 2,002 US office workers reported 91% engagement at pet-friendly companies vs 65% elsewhere, and 88% vs 73% intending to stay 12 months. Those surveys are funded by pet-industry sponsors and rely on self-report, so read them as directional, not definitive.

2. Health: the strongest evidence is cardiovascular

• A 2019 meta-analysis of 10 studies and 3.8 million people (Kramer et al., Circulation: Cardiovascular Quality and Outcomes) found dog owners had a 24% lower risk of death from any cause (RR 0.76) and a 31% lower risk of cardiovascular death (RR 0.69) over ~10 years of follow-up.
• A Swedish national cohort of 3.4 million people (Mubanga et al., 2017) found single-person households with a dog had a 33% lower mortality hazard (HR 0.67). Importantly, a twin sub-study could not reproduce the effect — healthier people may simply be more likely to get a dog.
• Dog owners are far more likely to hit exercise guidelines: 4.1× the odds of reaching 150 minutes/week of activity in a UK study (Westgarth et al., 2019), and a median of 160 minutes of dog-walking per week across 29 studies (Christian et al., 2013). Effect sizes for total activity are small-to-medium.
• In a classic stress experiment (Allen et al., 2002), pet owners had lower resting heart rate and blood pressure, smaller reactions to stress tasks, and faster recovery — lowest of all when their pet was in the room. A 2018 meta-analysis of 1,310 people (Ein et al.) confirmed animal contact lowers heart rate and self-reported anxiety, but found no consistent effect on blood pressure.
• The oxytocin loop: Azabu University researchers (Nagasawa et al., Science, 2015) showed that when a dog gazes at its owner, the owner's oxytocin rises — and the owner's affection raises the dog's in turn. Wolves raised by humans don't do this. It's a biological bond, not just a nice feeling.

3. Community: dogs make neighbours into friends

• Across four cities in Australia and the US (Wood et al., 2015, n≈2,700), pet owners were 61% more likely to know their neighbours (OR 1.61). Dog owners were 2.6× more likely to count someone they met through their pet as a real friend, and about 40% had received social support — emotional, practical, or informational — through pet connections.
• In Japan, the Japan Pet Food Association's 2025 national survey counts roughly 6.8 million pet dogs, and notes that single people in their 20s–30s are more likely than average to cite "expanding my social circle" as a reason for getting one.

4. What the evidence does NOT say

• Almost all of this is correlation, not causation. The mortality meta-analysis states its results were not adjusted for confounders; the Swedish twin study is a reminder that healthy people choose dogs, not only the reverse.
• Effect sizes are often small. Cortisol didn't budge in the workplace study; blood pressure didn't in the therapy meta-analysis.
• Several studies are funded by the pet industry (Mars/WALTHAM, Royal Canin) — disclosed in the papers, but worth knowing.
• Dogs at work carry real risks: allergies, bites, legal liability, and the dog's own welfare. A review by the US National Institute for Occupational Safety and Health (Foreman et al., 2017) treats these as HR issues to plan for, not afterthoughts. In one industry survey, 70% of HR decision-makers named allergies as their top concern.

Why this matters for GBDI

The research points to a simple conclusion: the benefits of dogs in shared spaces are real but conditional. They show up when dogs are calm, owners are considerate, and venues stay in control of their own rules. That is exactly what GBDI's behaviour assessment and partner model are built to guarantee — so cafés, offices, and neighbourhoods can have the upside without the downside.

Sources:

• Barker RT et al. (2012). Preliminary investigation of employee's dog presence on stress and organizational perceptions. Int J Workplace Health Management 5(1)
• Hall SS, Mills DS (2019). Taking Dogs Into the Office. Frontiers in Veterinary Science 6:138
• Colarelli SM et al. (2017). A Companion Dog Increases Prosocial Behavior in Work Groups. Anthrozoös 30(1)
• Wagner E, Pina e Cunha M (2021). Dogs at the Workplace: A Multiple Case Study. Animals 11(1):89
• Foreman AM et al. (2017). Dogs in the Workplace: A Review of the Benefits and Potential Challenges. Int J Environ Res Public Health 14(5):498
• Kramer CK et al. (2019). Dog Ownership and Survival: A Systematic Review and Meta-Analysis. Circ Cardiovasc Qual Outcomes 12(10)
• Mubanga M et al. (2017). Dog ownership and the risk of cardiovascular disease and death. Scientific Reports 7:15821
• Westgarth C et al. (2019). Dog owners are more likely to meet physical activity guidelines. Scientific Reports 9:5704
• Christian HE et al. (2013). Dog ownership and physical activity: a review of the evidence. J Phys Act Health 10(5)
• Allen K et al. (2002). Cardiovascular reactivity and the presence of pets, friends, and spouses. Psychosomatic Medicine 64(5)
• Ein N et al. (2018). The effect of pet therapy on the physiological and subjective stress response: A meta-analysis. Stress and Health
• Nagasawa M et al. (2015). Oxytocin-gaze positive loop and the coevolution of human-dog bonds. Science 348(6232)
• Wood L et al. (2015). The Pet Factor. PLOS ONE 10(4)
• Japan Pet Food Association (2025). National Dog & Cat Ownership Survey
• HABRI / Nationwide (2019). Pet-Friendly Workplace Effectiveness Study