_{1 The Longevity Preparedness Index was conducted online and by phone interview in English, sourced through the NORC AmeriSpeak Panel. The sample was a U.S. representative sample comprised 1,307 Americans, age 18 and up, with specific oversamples of non-Hispanic black panelists, Hispanic panelists, and non-Hispanic Asian American and Pacific Islander panelists to ensure adequate sample size for subgroup analysis. During analysis, survey responses were weighted to represent the U.S. population. Survey data were collected from 5/14/25 to 6/5/25, with a median survey length of approximately 25 minutes per respondent.}

_{LPI scores can range from 0 (not at all prepared for longevity) to 100 (completely prepared for longevity). The overall LPI is composed of eight domains. Domain scores are each calculated [JW4] independently and can range from 0 to 100. All eight domain scores were averaged to calculate the overall LPI score. Eight to 26 unique survey items are used to represent preparedness for each domain. Each domain captures positive behaviors toward longevity preparedness and awareness of the importance of a domain. Missing data were handled by imputation based on modal scores by age, gender, and income. Based on respondents aged 65–85, survey items were weighted to indicate their contribution to preparedness within a domain. Items with low weights were removed from score calculation. Behavioral scores (weight 75%) and awareness responses (weight 25%) were combined to create a domain score that can range from 0 to 100.}

_{The Longevity Preparedness Index was developed in collaboration with MIT AgeLab and funded by John Hancock Life Insurance Company (U.S.A.). While financial support was provided for the research, it did not influence the findings, methodology, or conclusions.}

_{Manulife John Hancock is not affiliated with the Massachusetts Institute of Technology (MIT) AgeLab, GRAIL, Garmin, or Tufts University's Friedman School of Nutrition, and none are responsible for the liabilities of the others.}

_{Currently, the Galleri test is only available to registered John Hancock Vitality PLUS members who are 40 years of age or older and have completed the initial Vitality Health Review (VHR). For eligible polices with face amounts of $500,000 in life insurance coverage or greater, 100% of the cost of the test will be subsidized. For policies with face amounts less than $500,000 in life insurance coverage, 50% of the cost of the test will be subsidized. Test eligibility is also subject to GRAIL’s clinically informed criteria, as well as additional cancer risk factors for those ages 40–49. Note: For members with multiple policies, the policy with the highest face amount in life insurance coverage will determine the subsidy amount of the Galleri offer. The offer of discounted access to the Galleri test is subject to change. Access to the Galleri test through the John Hancock Vitality Program is not currently available in all states. The Galleri test is manufactured and distributed by GRAIL, LLC. John Hancock does not provide medical advice, is not involved in the design or manufacture of the Galleri test and is not responsible for the accuracy or performance of the Galleri test.}

_{Life insurance products are issued by: John Hancock Life Insurance Company (U.S.A.), Boston, MA 02116 (not licensed in New York) and John Hancock Life Insurance Company of New York, Valhalla, NY 10595.}

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