Outpatient palliative care can provide significant benefits to seriously ill patients, but several barriers to appropriate referrals remain. No study has examined the physician factors associated with referral to outpatient palliative care. To determine physician factors, with a focus on physician beliefs, associated with referral to palliative care. Cross-sectional study of 170 primary care physicians at Kaiser Permanente (KP), a large non-profit Health Maintenance Organisation (HMO), using a self-administered questionnaire. Of the 145 respondents, 100 (70%) reported referring any patients to the palliative care program in the prior year, with a median of 3 referrals (interquartile range 2, 6). Factors associated with referral included working at KP between 10 and 20 years as compared to <10 years [Odds ratio [OR] 6.29 (95% confidence interval [CI] 1.38, 28.6)] and having personal experience with palliative care [OR 2.13 (95% CI 0.95, 4.976)]. None of the beliefs scales was associated with referral. Physician characteristics other than their beliefs about palliative care played a significant role in determining referral. Palliative care programs should aim to increase their visibility in the outpatient setting to increase referrals by primary care physicians. Tools that help physicians identify seriously ill patients who could benefit from palliative care may also serve to increase appropriate referrals.
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