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Who Uses Individual Health Insurance & For How Long?

Who Uses Individual Health Insurance & For How Long?. Erika Ziller Andrew Coburn Timothy McBride Courtney Andrews. Acknowledgment.

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Who Uses Individual Health Insurance & For How Long?

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  1. Who Uses Individual Health Insurance & For How Long? Erika Ziller Andrew Coburn Timothy McBride Courtney Andrews Muskie School of Public Service University of Southern Maine

  2. Muskie School of Public Service University of Southern Maine Acknowledgment The authors would like to thank the “Changes in Health Care Financing & Organization” (HCFO) initiative of the Robert Wood Johnson Foundation for its generous funding support.

  3. Muskie School of Public Service University of Southern Maine Previous Studies • Most prior estimates of individual insurance coverage rely on CPS, yielding static estimates • Research into coverage has primarily been descriptive • Definition of individual insurance has generally been residual—”private, not employer”

  4. Muskie School of Public Service University of Southern Maine Research Questions • Who uses individual insurance and what are their patterns of coverage? • What characteristics predict how long a person has coverage? and, • What insurance status do people have before and after individual insurance spells?

  5. Muskie School of Public Service University of Southern Maine Data • 1996-2000 Survey of Income & Program Participation (SIPP) • 12 “waves” of quarterly retrospective interviews • ≈ 55,500 non-elderly adults (18-64) interviewed in month 1 • Individual insurance defined as private coverage that was “privately purchased” • All presented results are statistically significant where p  .05

  6. Muskie School of Public Service University of Southern Maine Spells of Individual Coverage • 5.9% had individual coverage in month 1 • 13.0% had at least one spell of individual insurance between 1996 & 2000 • More than 1/2 of those with a spell had only one spell (58%) *Among those with 1+ spells

  7. Muskie School of Public Service University of Southern Maine Who is Individually Insured? • 59% have attended college or graduated • 61% are married • but rate for widows/ers is nearly 2x’s higher (10.5%) • 84% are white, non-Hispanic • rates are highest for Asian-Americans (8.4%)

  8. Muskie School of Public Service University of Southern Maine Who is Individually Insured? (cont’d) • 74% are working, half of them self-employed • 72% work for firms with less than 25 employees • 1/3 have family income at or below 200% of poverty level • Almost 90% report themselves to be in good or better health • About 1/2 are aged 45-64

  9. Muskie School of Public Service University of Southern Maine Spell Beginnings & Endings: Employer-Sponsored • About 2/3 of all spells begin and/or end with employer coverage • 84% of spells that begin with employer also end with employer coverage

  10. Muskie School of Public Service University of Southern Maine Spell Beginnings & Endings: Public • 14% of the individually insured enter from a public spell • Three-quarters of individual spells that begin with public coverage also end with public

  11. Muskie School of Public Service University of Southern Maine Spell Beginnings & Endings: Uninsured • 18% of individual spells begin from an uninsured spell • 1/2 of those uninsured before their individual spell gain employer coverage • 42% of those who enter an individual spell after being uninsured, return to being uninsured

  12. Muskie School of Public Service University of Southern Maine Spell Lengths • Median length of individual insurance spells is 8 months • 48% retain individual coverage less than 6 months • 17% have individual coverage for 24 months or more

  13. Muskie School of Public Service University of Southern Maine Duration Analysis Multivariate survival analysis of 6,134 spells with observed beginnings Variables • Employment characteristics • Socio-demographic characteristics • Health status • Prior insurance status • State insurance regulation

  14. Out of labor force (1.09) Entered from employer-based coverage (1.20) Self-employed (1.21) Firm <25 workers (1.15) Rate-banding in individual market (1.12) White, non-Hispanic (1.31) Female (1.09) Asian (1.21) Single, divorced or separated (1.07) Muskie School of Public Service University of Southern Maine Characteristics Associated with Spell Length Longer Spells* *Expected survival time ratios in parentheses

  15. Shorter Spells* Fair/poor health (.91) Entered from public coverage (.81) Community rating of small group (.93) Muskie School of Public Service University of Southern Maine Characteristics Associated with Spell Length (cont’d) Other • Age has curvilinear relationship to spell length (inverse-U) • Income is not significantly associated with spell length *Expected survival time ratios in parentheses

  16. Muskie School of Public Service University of Southern Maine Conclusions • Findings indicate that the individual insurance market is heterogeneous: • Most individual insurance spells bridge periods of employer coverage • 17% of spells last more than 24 months; Small-business employees & self-employed have the longest spells • 1/6 of those exiting individual plans become uninsured; future analyses should seek to improve coverage stability for this group

  17. Muskie School of Public Service University of Southern Maine Conclusions • Median spell length is 8 months and 48% of all individual insurance spells last less than six months, supporting insurance industry claims that marketing & administrative costs are higher than for group coverage • Those in poorest health have the shortest coverage. Future research needed to understand whether these are voluntary or involuntary exits.

  18. Muskie School of Public Service University of Southern Maine Conclusions • HIPAA & state portability regulations do not apply to some segments of the individual market. • Nearly 1/5 gain individual insurance after being uninsured & therefore are not protected by portability regulations • Some of those entering individual insurance from group coverage likely do not meet continuous coverage requirements • Family income is not related to being individually insured or the length of spell; future research should examine access to care for lower income individual insurance holders.

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