Table 2
Author | Ref | Design | N/Np | Main Results |
Simpson | 26 | Mail survey | 1509/784 (52%) | 52% response rate. Referral rates varied depending on type of practitioner being referred to: 95% of respondents would refer to a PT, but only 14% would refer to a chiropractor. Respondents did not feel chiropractors should have primary contact status. |
McCann | 28 | Analysis of Medical Expenditure Survey Data | 25096 | Chiropractic comprised 6% of all office-based health care visits; chiropractors accounted for 14% of all non-physician office-based expenditures. |
Sharma | 29 | Prospective longitudinal non-randomized practice-based observational study | 1414 | Patients who self referred to DCs were likely to be older and have higher incomes than those who self referred to MDs; those who expected to self-pay more were more likely to self refer to the DC. |
Jain | 30 | Mail survey | 1680/601 (36%) | Response rate 35.8%; Variables that predicted disuse of CAM included male sex, good health, lack of physician support for CAM, and belief that CAM is not effective. For chiropractic, presence of perceived side effects was a major reason for disuse. |
Pirotta | 31 | Mail survey | 800/488 (64%) | Less acceptance for chiropractic compared to acupuncture, hypnosis and meditation. 75% felt chiropractic was sometimes harmful, but 29% would refer to a DC. |
Astin | 32 | Review | 25 surveys | Chiropractic had second highest rate of physician referral (40% behind massage (43%). 53% believed in the efficacy of chiropractic. |
Goldszmidt | 34 | 58% MD referral rate to chiropractors | ||
Verhoef | 35 | 83% MD referral rate to chiropractors | ||
Perkin | 36 | 34% MD referral rate to chiropractors | ||
Andersson | 37 | 50% MD referral rate to chiropractors | ||
Wharton | 38 | 51% MD referral rate to chiropractors | ||
Marshall | 39 | 2% MD referral rate to chiropractors | ||
Hadley | 40 | 27% MD referral rate to chiropractors | ||
Reilly | 41 | 20% MD referral rate to chiropractors | ||
Berman | 42 | 56% MD referral rate to chiropractors | ||
Borkan | 43 | 15% MD referral rate to chiropractors | ||
Cherkin | 44 | 57% MD referral rate to chiropractors | ||
Goldstein | 45 | 51% MD referral rate to chiropractors | ||
Hawk | 46 | Mail survey | 1896/563 (30%) | 68% believe chiropractic is a therapeutic modality; 82% believe it is complete system. |
Berman | 47 | Conference survey | 180/295 (61%) | 70–90% consider complementary medical procedures as legitimate. |
Smith | 48 | Mail survey | 1877/815 (43%) | Chiropractors offer a substantial amount of care to those in underserved populations. |
Eisenberg | 49 | Telephone survey | 1991: 1539 1997: 2055 | CAM use grew from 33.8% to 42.1%, but chiropractic grew only from 10.1% to 11%. Mean number of visits fell from 12.6 to 8.9. |
Eisenberg | 50 | Telephone survey | 2055/831 (40%) | 70% of patients saw a medical doctor before seeing a CAM provider; 15% saw a CAM provider before seeing an MD.60% did not disclose their CAM use to their MD. |
Kessler | 51 | Telephone survey | 2055/831 (40%) | 30% of pre-baby boom group had used CAM; 50% of the boom group had used CAM; 70% of the post-baby boom group had used CAM. |