A workforce survey of Australian chiropractic: the profile and practice features of a nationally representative sample of 2,005 chiropractors

The identity, role, setting, and future of chiropractic practice: a survey of Australian and New Zealand chiropractic students

OBJECTIVE:

To evaluate Australian and New Zealand chiropractic students' opinions regarding the identity, role setting, and future of chiropractic practice.

METHODS:

An online, cross-sectional survey was administered to chiropractic students in all chiropractic programs in Australia and New Zealand. The survey explored student viewpoints about the identity, role/scope, setting, and future of chiropractic practice as it relates to chiropractic education and health promotion. Associations between the number of years in the program, highest degree preceding chiropractic education, institution, and opinion summary scores were evaluated by multivariate analysis of variance tests.

RESULTS:

A total of 347 chiropractic students participated in the study. For identity, most students (51.3%) hold strongly to the traditional chiropractic theory but also agree (94.5%) it is important that chiropractors are educated in evidence-based practice. The main predictor of student viewpoints was a student's chiropractic institution (Pillai's trace =.638, F[16, 1368] = 16.237, p < .001). Chiropractic institution explained over 50% of the variance around student opinions about role/scope of practice and approximately 25% for identity and future practice.

CONCLUSIONS:

Chiropractic students in Australia and New Zealand seem to hold both traditional and mainstream viewpoints toward chiropractic practice. However, students from different chiropractic institutions have divergent opinions about the identity, role, setting, and future of chiropractic practice, which is most strongly predicted by the institution. Chiropractic education may be a potential determinant of chiropractic professional identity, raising concerns about heterogeneity between chiropractic schools.

Unravelling functional neurology: a critical review of clinical research articles on the effect or benefit of the functional neurology approach

Background

Functional Neurology (FN), mainly practiced by chiropractors, proposes to have an effect or a benefit on varied clinical cases, from debilitating diseases to performance enhancement in asymptomatic people.

Objectives and design

A critical review of publications captured in and from the journal Functional Neurology, Rehabilitation, and Ergonomics (FNRE) was performed in order to investigate whether there is evidence on clinical effects or benefits of FN. This review had five research objectives, three relating to the type of literature available through this journal, and two in relation to design and methodological aspects of the included studies.

Method

All issues of the FNRE journal were searched (October 2017), including a handsearch of their lists of other relevant publications. In order to find evidence in relation to the effect or benefit of FN, the search was restricted to prospective clinical research studies with a control group, claiming or appearing to deal with the topic. The review was undertaken by two independent reviewers using two checklists, one relating to study description, and one on quality. Results were reported narratively.

Results

Nine articles were found. The FNRE journal contained 168 authored texts, of which 36 were research studies (21%). Four of these were clinical research studies on FN effect or benefit (2%). Another five were obtained through the handsearch. The included studies were conducted on adults or children, symptomatic or not, and investigated various interventions consisting of single or multiple stimuli, of varied nature, all primarily said to be provided to stimulate brain areas. Conditions included attention deficit disorders, attention deficit and hyperactivity disorders, autism-spectrum disorders, cortical visual impairment, traumatic brain injury, and migraine. Balance and the "blind spot" were investigated in healthy subjects. Major design and methodological issues were identified and discussed for all the nine studies; only four were considered as (potentially) appropriate for further scrutiny. However, these were of low methodological quality and, therefore, no robust evidence could be found in relation to the effect or benefit of the tested FN interventions.

Conclusions

This journal contains no acceptable evidence on the effect or benefit of FN in relation to various conditions and purported indications for intervention.

The use of nutritional guidance within chiropractic patient management: a survey of 333 chiropractors from the ACORN practice-based research network

Background

Food consumption and nutritional status affect an individual's health throughout their life-course and an unhealthy diet is a major risk factor for the current global burden of chronic disease. The promotion of health and good nutrition through healthy eating requires the active involvement of all health professionals including chiropractors. This paper reports findings from the first nationally representative examination of the use of nutritional guidance within chiropractic patient management in Australia.

Methods

A sample of 1000 practising chiropractors was randomly selected from the Australian Chiropractic Research Network (ACORN) practice-based research network database for a cross-sectional study and 33% participated in the online survey in November 2016. The questionnaire, based on previous designs used in similar surveys and nutrition resources developed by the National Health and Medical Research Council, was pretested prior to the survey. Pearson's Chi square and bivariate logistic regression were undertaken to explore relationships with variables of interest.

Results

The demographic details of the respondents are similar to those of the chiropractic workforce registered in Australia. Most chiropractors provided nutritional advice as part of their patient care and around a quarter provided specific dietary advice to their patients, including the use of nutrition supplements. Nutrition-related conditions most commonly encountered by the chiropractors were musculoskeletal, usually inflammatory in origin. Common nutritional assessment methods used included questioning patients to assess their nutritional and health status and physical appearance. Most of the participants provided nutritional resources to their patients in their clinics. However, the Australian Dietary Guidelines and the accompanying Australian Guide to Healthy Eating were not well utilised by the respondents. Australian chiropractors often referred patients with nutrition issues to qualified dietitians and other health professionals when deemed necessary.

Conclusions

Australian chiropractors regularly provide nutritional advice and appear to acknowledge the importance of nutrition in their clinical practice especially for patients presenting with chronic disease. If chiropractors are to fulfil their potential in providing such wider public health and preventative health advice to patients, further research examining the utilisation of evidence-based nutrition resources within chiropractic patient management is recommended.

The Australian Complementary Medicine Workforce: A Profile of 1,306 Practitioners from the PRACI Study

OBJECTIVES

This study aims to describe the Australian complementary medicine (CM) workforce, including practice and professional characteristics.

DESIGN

National cross-sectional survey.

SETTINGS/LOCATION

Australia.

SUBJECTS

Any individual who self-identified as a practitioner qualified in any one of 14 CM professions and working in any state or territory of Australia was eligible to participate in the survey.

INTERVENTIONS

A 19-item online survey was developed following a review of existing CM workforce data and in alignment with other CM workforce survey projects in progress at the time. The survey items were presented under three main constructs: demographic characteristics, professional characteristics, and practice characteristics.

STATISTICAL ANALYSIS

Descriptive statistical analysis, including frequencies and percentages, of multiple choice survey items was used. Open response items were analyzed to determine the mean, standard deviation (SD), minimum, and maximum. The demographic data were evaluated for representativeness based on previously reported CM workforce figures.

RESULTS

The survey was completed by 1306 CM practitioners and was found to be nationally representative compared with the most recent registrant data from the Chinese Medicine Board of Australia. Participants primarily practiced in the most populous Australian states and worked in at least one urban clinical location. Most participants held an Advanced Diploma qualification or lower, obtained their qualification ten more years ago, and practiced in a clinical environment alongside at least one other practitioner from another health profession. Participants reported diverse clinical practice specialties and occupational roles. Per week, participants worked an average of 3.7 days and treated 23.6 clients.

CONCLUSIONS

The results from this survey of practitioners from most complementary professions in Australia provide new insights into the national complementary medicine workforce. Further exploration of the CM workforce is warranted to inform all who provide patient care and develop health policy for better patient and public health outcomes.

The treatment of migraine patients within chiropractic: analysis of a nationally representative survey of 1869 chiropractors

BACKGROUND

While the clinical role of manual therapies in migraine management is unclear, the use of chiropractors for this condition is considerable. The aim of this study is to evaluate the prevalence and characteristics of chiropractors who frequently manage patients with migraine.

METHODS

A national cross-sectional survey of chiropractors collected information on practitioner characteristics, clinical management characteristics and practice settings. A secondary analysis was conducted on 1869 respondents who reported on their migraine caseload to determine the predictors associated with the frequent management of patients with migraine.

RESULTS

A large proportion of chiropractors report having a high migraine caseload (HMC) (n = 990; 53.0%). The strongest factors predicting a chiropractor having a HMC include the frequent treatment of patients with axial neck pain (OR = 2.89; 95%CI: 1.18, 7.07), thoracic pain (referred/radicular) (OR = 2.52; 95%CI: 1.58, 3.21) and non-musculoskeletal disorders (OR = 3.06; 95%CI: 2.13, 4.39).

CONCLUSIONS

Several practice-setting and clinical management characteristics are associated with chiropractors managing a HMC. These findings raise key questions about the therapeutic approach to chiropractic migraine management that deserves further examination. There is a need for more primary research to assess the approach to headache and migraine management provided by chiropractors and to understand the prevalence, burden and comorbidities associated with migraine found within chiropractic patient populations. This information is vital in helping to inform safe, effective and coordinated care for migraine sufferers within the wider health system.

The Prevalence, Patterns, and Predictors of Chiropractic Use Among US Adults: Results From the 2012 National Health Interview Survey

STUDY DESIGN

Secondary analysis of a national survey.

OBJECTIVE

The aim of this study was to investigate the prevalence, patterns, and predictors of chiropractic utilization in the US general population.

SUMMARY OF BACKGROUND DATA

Chiropractic is one of the largest manual therapy professions in the United States and internationally. Very few details have been reported about the use of chiropractic care in the United States in recent years.

METHODS

Cross-sectional data from the 2012 National Health Interview Survey (n = 34,525) were analyzed to examine the lifetime and 12-month prevalence and utilization patterns of chiropractic use, profile of chiropractic users, and health-related predictors of chiropractic consultations.

RESULTS

Lifetime and 12-month prevalence of chiropractic use were 24.0% and 8.4%, respectively. There is a growing trend of chiropractic use among US adults from 2002 to 2012. Back pain (63.0%) and neck pain (30.2%) were the most prevalent health problems for chiropractic consultations and the majority of users reported chiropractic helping a great deal with their health problem and improving overall health or well-being. A substantial number of chiropractic users had received prescription (23.0%) and/or over-the-counter medications (35.0%) for the same health problem for which chiropractic was sought and 63.8% reported chiropractic care combined with medical treatment as helpful. Both adults older than 30 years (compared to younger adults), and those diagnosed with spinal pain (compared to those without spinal pain) were more likely to have consulted a chiropractor in the past 12 months.

CONCLUSION

A substantial proportion of US adults utilized chiropractic services during the past 12 months and reported associated positive outcomes for overall well-being and/or specific health problems for which concurrent conventional care was common. Studies on the current patient integration of chiropractic and conventional health services are warranted.

LEVEL OF EVIDENCE

3.

A cross-sectional examination of the profile of chiropractors recruited to the Australian Chiropractic Research Network (ACORN): a sustainable resource for future chiropractic research

OBJECTIVES

The Australian Chiropractic Research Network (ACORN) practice-based research network (PBRN) cohort was established to provide sustainable infrastructure necessary to address lack of rigorous investigation and to bridge the research-practice gap focused on chiropractic care for future years. This paper presents the profile of chiropractors recruited to the ACORN PBRN, a nationally representative sample of chiropractors working in Australia.

DESIGN

Cross-sectional analysis of baseline data from a cohort study of chiropractors in Australia.

SETTING

All registered chiropractors in Australia were invited to participate in the ACORN study and those who completed a practitioner questionnaire and consent form were included in the PBRN cohort.

PARTICIPANTS

A total of 1680 chiropractors (36%) were recruited to the cohort database. The average age of the PBRN participants is 41.9 years and 63% are male. The vast majority of the PBRN participants hold a university degree.

RESULTS

General practitioners were identified as the most popular referral source for chiropractic care and low back pain and neck pain were the most common conditions 'often' treated by the PBRN chiropractors. The chiropractors in this PBRN cohort rated high velocity, low amplitude adjustment/manipulation/mobilisation as the most commonly used technique/method and soft tissue therapy as the most frequently employed musculoskeletal intervention in their patient management.

CONCLUSIONS

The ACORN PBRN cohort constitutes the largest coverage of any single healthcare profession via a national voluntary PBRN providing a sustainable resource for future follow-up. The ACORN cohort provides opportunities for further nested substudies related to chiropractic care, chiropractors, their patients and a vast range of broader healthcare issues with a view to helping build a diverse but coordinated research programme and further research capacity building around Australian chiropractic.

Characterisation of the correlation between standing lordosis and degenerative joint disease in the lower lumbar spine in women and men: a radiographic study

BACKGROUND

Degenerative joint disease (DJD) in the lumbar spine is a common condition that is associated with chronic low back pain. Excessive loading of lumbar joints is a risk factor for DJD. Changes in lumbar lordosis significantly redistribute the forces of weight-bearing on the facet joints and the intervertebral discs. However, the relationship between lumbar lordosis and DJD has not been characterized in men and women.

METHODS

We characterised the correlation between standing lumbar lordosis and DJD in standing radiographic images from 301 adult female and male chiropractic patients. DJD was rated using the Kellgren-Lawrence scale, and lordosis was measured using the Cobb angle. Linear and curvilinear correlations were investigated while controlling for age and sex.

RESULTS

We found a highly significant curvilinear correlation between lordosis and DJD of the lower lumbar spine in both sexes, but especially in women, irrespective of the effects of age. We found the effect size of lordosis on lower lumbar DJD to be between 17.4 and 18.1% in women and 12.9% in older men. In addition, lordosis of 65 (95% CI 55.3-77.7) and 68 (98% CI 58.7-73.3) degrees were associated with minimal DJD in the lower lumbar spine of women and men respectively, and were therefore considered 'optimal'. This optimal lordotic angle was 73 (95% CI 58.8-87.2) degrees in older men.

CONCLUSIONS

Both hypo- and hyper-lordosis correlate with DJD in the lumbar spine, particularly in women and in older men. These findings may well be of relevance to spinal pain management and spinal rehabilitation.

Unravelling functional neurology: a scoping review of theories and clinical applications in a context of chiropractic manual therapy

BACKGROUND

Functional Neurology (FN), a seemingly attractive treatment approach used by some chiropractors, proposes to have an effect on a multitude of conditions but some of its concepts are controversial.

OBJECTIVES AND DESIGN

A scoping review was performed to describe, in the context of chiropractic manual therapy, 1) the FN theories, and 2) its clinical applications (i.e. its indications, examination procedures, treatment modalities, treatment plans, and clinical outcomes) using four sources: i) one key textbook, ii) the scientific peer-reviewed literature, iii) websites from chiropractors using FN, and iv) semi-structured interviews of chiropractors using FN.

METHODS

The scientific literature was searched in PubMed, PsycINFO, and SPORTDiscus, completed by a hand search in the journal Functional Neurology, Rehabilitation and Ergonomics (November 2016 and March 2017, respectively). The only textbook on the topic we found was included and articles were chosen if they had an element of manual therapy. There was no restriction for study design but discussion papers were excluded. Websites were found in Google using the search term "Functional Neurology". Chiropractors, known to use FN, were invited based on their geographical location. Theories were mainly uncovered in the textbook as were all aspects of the clinical applications except treatment plans. The other three sources were used for the five aspects of clinical applications. Results were summarized and reported extensively in tables.

RESULTS

Eleven articles were included, five websites scrutinized, and four semi-structured interviews performed. FN is based on the belief that reversible lesions in the nervous system are the cause of a multitude of conditions and that specific clusters of neurons can be positively affected by manipulative therapy, but also by many other stimuli. Diagnostic procedures include both conventional and unusual tests, with an interpretation specific to FN. Initial treatment is intense and clinical outcomes reported as positive.

CONCLUSION

FN gives the impression to be a complex alternative to the old variant of the chiropractic subluxation model, in which the vertebral subluxation is replaced by "physiological lesions" of the brain, and the treatment, spinal adjustments, are complemented by various neurological stimuli. Both models purport to treat not the symptoms but the cause. We conclude there is a need for more scientific documentation on the validity of FN.

Primary prevention in chiropractic practice: a systematic review

Background

Chiropractors are primarily concerned with musculoskeletal disorders but have the responsibility to deal also with prevention in other areas.

Objectives

To establish the prevalence of chiropractors who have a positive opinion on the use of primary prevention (PP), their actual use of PP, and the proportion of patients who consult for PP in relation to (i) musculoskeletal disorders, (ii) public health issues, or (iii) chiropractic treatment for wellness.

Method

A systematic search for literature was done using PubMed, Embase, Index to Chiropractic Literature, and Google Scholar and updated on February 15th 2017. Inclusion criteria were: surveys on chiropractors and/or chiropractic patients, information had to be present on PP in relation to the percentage of patients who consult for PP in chiropractic practice or in a chiropractic student clinic, and/or the percentage of chiropractors who reported using PP, and/or information on chiropractors’ opinions of the use of PP, in the English, French, or Scandinavian languages. The review followed the PRISMA guidelines. Articles were classified as ‘good’, ‘acceptable’ and ‘unacceptable’ based on scores of quality items. Results from the latter group were not taken into account.

Results

Twenty-five articles were included, reporting on twenty-six studies, 19 of which dealt with wellness. The proportion of chiropractors who stated that they had a positive opinion on PP was generally higher than the proportion of chiropractors offering PP. Most chiropractors offered some type of PP for musculoskeletal disorders and more than a half stated that they did so in the public health area but also for wellness. For all types of PP, however, it was rarely stated to be the reason for patients consulting. Regardless the type of PP, the proportion of patients who actually consulted specifically for PP was much smaller than the proportion of chiropractors offering PP.

Conclusion

More research efforts have been put into wellness than into prevention of musculoskeletal disorders or public health-related disorders. It therefore seems that parts of the chiropractic profession are in search of an understanding of various aspects of clinical practice over and above its traditional musculoskeletal role. Interestingly, only a small proportion of chiropractic patients consult for PP, despite the readiness of the profession to offer such services.