Zaccaria · International journal of environmental research and public health 2022 · cross-sectional study · n=94

Social Isolation and Loneliness among Near-Centenarians and Centenarians: Results from the Fordham Centenarian Study.

Cited 18 times in the scientific literature.

Level 4 - case-series / case-control

Cross-sectional observational study

PubMed 35627476 · doi:10.3390/ijerph19105940 · record verified 2026-08-26

What was done

Analyzed cross-sectional data from 94 individuals aged 95 to 107 years from the Fordham Centenarian Study. Participants were classified into a four-group typology combining social isolation and loneliness status. Multinomial logistic regression models were evaluated to assess associations with demographic, socioeconomic, social, health, care, and psychological characteristics.

What was found

Participants were distributed across four groups: 29.8% were isolated and lonely, 28.7% were neither isolated nor lonely, 21.3% were isolated but not lonely, and 20.2% were lonely but not isolated. Likelihood of group membership varied by education, health, and personality; exact odds ratios and confidence intervals were not reported in the abstract.

Why it matters

Demonstrates that social isolation and loneliness are distinct, often uncoupled conditions in the oldest-old, indicating that interventions must distinguish objective isolation from subjective loneliness.

Limits

Small sample size (n = 94), cross-sectional design precluding causal inference, single-study cohort, and lack of numeric regression estimates or confidence intervals in the abstract.

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