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Am J Prev Med. 1999 Aug;17(2):127-33.

Cost-sharing and the utilization of clinical preventive services.

Author information

1
University of California, Berkeley, School of Public Health, 94720-7360, USA.

Abstract

BACKGROUND:

Little is known about the effect of different forms of patient cost-sharing on the utilization of clinical preventive services or if the effect varies by type of health plan.

OBJECTIVES:

To assess empirically the relationships between the utilization of recommended preventive services and different forms of patient cost-sharing and how the effect is mediated by type of preventive service (counseling, blood pressure, Pap smear, mammogram), type of cost-sharing (deductibles/coinsurance, copayments), and type of health plan (HMO, PPO/indemnity plan).

RESEARCH DESIGN:

Sixteen logit models were estimated to assess variation in receiving recommended preventive care as a function of cost-sharing within plan type.

SUBJECTS:

A sample of 10,872 employees, aged 18 to 64 years, of seven large companies served by 52 health plans with diverse cost-sharing arrangements who responded to the Pacific Business Group on Health, Health Plan Value Check Survey (response rate, 50.3%).

MEASURES:

Receipt of recommended preventive care was based on the U.S. Preventive Services Task Force Guidelines. The effect of cost-sharing was measured as the percentage change in the probability of receiving recommended preventive care in the cost-sharing group compared to the non cost-sharing group.

RESULTS:

The negative effect of patient cost-sharing was greatest on preventive counseling in PPO/indemnity plans (-15%) and on mammograms in all health plan types (-9%-10%). The effect on Pap smears was negative (-8%-10%) for deductibles/coinsurance in PPO/indemnity plans and copayments in HMOs. The effect of cost-sharing on blood pressure was mixed. Deductibles/coinsurance had a greater negative effect than copayments.

CONCLUSIONS:

Eliminating patient cost-sharing for selected preventive services may be a relatively easy and effective means of increasing utilization of recommended clinical preventive care.

PMID:
10490055
DOI:
10.1016/s0749-3797(99)00057-4
[Indexed for MEDLINE]

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