Study participants by referral stratum
| Geographical setting | Practice referral rate* | Individual primary care provider referral rate† | No. of primary care providers eligible n = 175 | No. of primary care providers interviewed n = 19 | No. of site liaisons interviewed‡ n = 4 |
|---|---|---|---|---|---|
| Urban | High (n = 4) | High | 27 | 6 | 1 |
| Low | 20 | 1 | 0 | ||
| No referrals | 20 | 1 | 0 | ||
| Low (n = 4) | High | 3 | 1 | 2 | |
| Low | 15 | 2 | 0 | ||
| No referrals | 40 | 1 | 1 | ||
| Rural | High (n = 4) | High | 11 | 0 | 0 |
| Low | 4 | 1 | 0 | ||
| No referrals | 7 | 0 | 0 | ||
| Low (n = 2) | High | 4 | 3 | 0 | |
| Low | 9 | 0 | 0 | ||
| No referrals | 15 | 3 | 0 |
↵* Practices with high referral rates made more than 0.15 referrals per month on average per family physician or nurse practitioner in the practice; practices with low referral rates made 0.15 or fewer.
↵† High = more than 0.2 referrals per month on average; low = 0.2 referrals or fewer per month on average.
↵‡ There was 1 site liaison per study site (n = 14) and 1 liaison for a study site that withdrew from PARTNERs early in the study; we contacted all of them.