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The human resource for health situation in Zambia: deficit and maldistribution
Human Resources for Health volume 9, Article number: 30 (2011)
Current health policy directions in Zambia are formulated in the National Health Strategic Plan. The Plan focuses on national health priorities, which include the human resources (HR) crisis. In this paper we describe the way the HRH establishment is distributed in the different provinces of Zambia, with a view to assess the dimension of shortages and of imbalances in the distribution of health workers by province and by level of care.
Population and methods
We used secondary data from the "March 2008 payroll data base", which lists all the public servants on the payroll of the Ministry of Health and of the National Health Service facilities. We computed rates and ratios and compared them.
The highest relative concentration of all categories of workers was observed in Northern, Eastern, Lusaka, Western and Luapula provinces (in decreasing order of number of health workers).
The ratio of clinical officers (mid-level clinical practitioners) to general medical officer (doctors with university training) varied from 3.77 in the Lusaka to 19.33 in the Northwestern provinces. For registered nurses (3 to 4 years of mid-level training), the ratio went from 3.54 in the Western to 15.00 in Eastern provinces and for enrolled nurses (two years of basic training) from 4.91 in the Luapula to 36.18 in the Southern provinces.
This unequal distribution was reflected in the ratio of population per cadre. The provincial distribution of personnel showed a skewed staff distribution in favour of urbanized provinces, e.g. in Lusaka's doctor: population ratio was 1: 6,247 compared to Northern Province's ratio of 1: 65,763.
In the whole country, the data set showed only 109 staff in health posts: 1 clinical officer, 3 environmental health technologists, 2 registered nurses, 12 enrolled midwives, 32 enrolled nurses, and 59 other.
The vacancy rates for level 3 facilities(central hospitals, national level) varied from 5% in Lusaka to 38% in Copperbelt Province; for level 2 facilities (provincial level hospitals), from 30% for Western to 70% for Copperbelt Province; for level 1 facilities (district level hospitals), from 54% for the Southern to 80% for the Western provinces; for rural health centres, vacancies varied from 15% to 63% (for Lusaka and Luapula provinces respectively); for urban health centres the observed vacancy rates varied from 13% for the Lusaka to 96% for the Western provinces. We observed significant shortages in most staff categories, except for support staff, which had a significant surplus.
Discussion and Conclusions
This case study documents how a peaceful, politically stable African country with a longstanding tradition of strategic management of the health sector and with a track record of innovative approaches dealt with its HRH problems, but still remains with a major absolute and relative shortage of health workers. The case of Zambia reinforces the idea that training more staff is necessary to address the human resources crisis, but it is not sufficient and has to be completed with measures to mitigate attrition and to increase productivity.
This case study documents how a peaceful, politically stable African country with a longstanding tradition of strategic management of the health sector and with a track record of innovative approaches, dealt with its health workforce problems, but still faces a major absolute and relative deficit of health workers. We briefly describe the country context and we use official data from 2008 to analyse various dimensions of the health workforce, such as vacancies, attrition, and geographical imbalances. The case of Zambia reinforces the idea that training more staff is necessary to address the human resources crisis, but it is not sufficient and has to be completed with measures to mitigate attrition and to increase productivity.
Zambia's population was estimated at just under 12 million in 2007 by the United Nations. The country is divided into 9 provinces and 72 districts. It has one of the lowest Human Development Index (0.481, ranking 164 in the world), the second lowest for Southern Africa, after Mozambique (http://www.pnud.org.br/pobreza_desigualdade/reportagens/index.php?id01=3324&lay=pde, accessed on 3 August 2009). It has one of the highest prevalence rates for HIV/AIDS in Africa (15.2%) (http://www.who.int/gho/countries/zmb/country_profiles/en/index.html, accessed on 17 January 2011).
Current policy directions are formulated in the National Health Strategic Plan (NHSP 2006-2010) , the fourth of its kind. It presents a major departure from previous plans, in that it establishes national health priorities, which include addressing the human resources for health (HRH) crisis [2, 3]. The recognition of HRH as a priority derives from the estimation by the Ministry of Health (MoH) that health services function with less than half of the health workers required to deliver basic health services .
In addition to the national health service (NHS) facilities, there is an emerging urban private-for-profit sector, plus private mine-based hospitals, and a not-for-profit private sector working in close partnership with the public services. At the time of the study, of the 1327 healthcare facilities in Zambia, 85% are government run facilities, 9% are private sector facilities and 6% are religious affiliated facilities. Most (99%) of urban households reside within 5 km of a health facility compared to 50% of rural households .
There are six levels of care in the public sector and corresponding facilities (outreach services, health posts, health centres, and level 1- district, level-2 provincial and level-3 central hospitals).
Health Posts are intended to cater for populations of 500 households (3,500 people) in rural areas and 1,000 households (7,000 people) in the urban areas, or to be established within a 5 Km radius for sparsely populated areas. The target is 3,000 health posts. In 2008, there were 171 health posts. They offer basic first aid rather than curative care.
Health Centres include Urban Health Centres, which are intended to serve a catchment population of 30,000 to 50,000 people, and Rural Health Centres, servicing a catchment area of 29 Km radius or a population of 10,000. The target is 1,385. Totals of 1029 rural health centres and 265 urban health centres were recorded in 2008. For the purpose of defining approved prototype staff establishments, health centres are further subdivided into large and medium urban, zonal and medium rural [6, 7].
1st Level Referral Hospitals are found in 60 of the 72 districts and are intended to serve a population of between 80,000 and 200,000 with medical, surgical, obstetric and diagnostic services, including all clinical services to support health centre referrals. Currently, there are 72 1st Level Referral Hospitals. There is an approved prototype staff establishment of 192 workers, common to all 1st level hospitals [6, 7].
2nd level referral, Provincial or General Hospitals are 2nd level hospitals at provincial level and are intended to cater for a catchment population of 200,000 to 800,000 people, with services in internal medicine, general surgery, paediatrics, obstetrics and gynaecology, dental, psychiatry and intensive care services. There are 21 level 2 hospitals. These hospitals are also planned to act as referral centres for the 1st level institutions, including the provision of technical back-up and training functions. There is need to rationalize the distribution of these facilities through right-sizing. For the purpose of defining approved prototype staff establishments, 2nd level hospitals are further subdivided into urban (with a staff establishment of 629) and rural (with a staff establishment of 384) [6, 7].
3rd level or Central Hospitals are for catchment populations of 800,000 and above, and have sub-specializations in internal medicine, surgery, paediatrics, obstetrics, gynaecology, intensive care, psychiatry, training and research. These hospitals also act as referral centres for 2nd level hospitals. Currently there are 6 such facilities in the country, of which 3 are in the Copperbelt Province. Again there is need to rationalize the distribution of these facilities [6, 7].
Contractual arrangements with private providers, particularly the mission and mining sectors, are common [6, 7].
The National Health Service staff establishment covers these six types of facilities . In this paper we describe the way this establishment is distributed in the different provinces of Zambia.
The Health Workforce: Stock and Distribution
Population and methods
Using the "March 2008 payroll data base", that lists all public servants on the payroll of MoH and of NHS facilities, we analysed data on the distribution of health workers by category and post, province, type of health facility and health care level. Figures on the number of inhabitants were obtained from the Zambia 2000 "census of population and housing", and extrapolated using expected growth rates for each province. Population figures for district level were not available.
The results of this analysis are explained in light of the literature available, and of findings from in-depth interviews by three of the authors (PF, SS & FG) with key informants and personal observations carried out in the context of another parallel study (P Ferrinho, M Sidat, F Goma, G Dussault: Task-shifting - opinions and experiences of health workers in the Mozambican and Zambian National Health Services, submitted to Human Resour Health 2011).
Distribution of personnel across provinces
The most numerous categories of health workers in all provinces are the Zambia Enrolled nurses, followed by Zambia Enrolled Midwives and Registered nurses. Variations between provinces observed at the level of health specific cadres are greater than at that of general support staff. The highest concentrations of health specific cadres are observed, in decreasing order, in the Central, Southern, Copperbelt and Northwestern provinces (Table 1).
Ratios of clinical officers, who are mid-level practitioners to general medical officer, who are physicians with university training, varied from 3.77 in Lusaka to 19.33 in Northwestern Province. For registered nurses (3 to 4 years of mid-level training), the ratio varied from 3.54 in Western to 15.00 in Eastern Province, and for Zambia enrolled nurses (two years of basic training) from 25.15 in Western Province to 115.67 in the Northwestern Province. The highest ratios for health specific cadres are observed for Zambia Enrolled nurses, followed by Zambia Enrolled Midwives and Registered nurses (Table 2).
There is a similar uneven distribution in the ratio of population per cadre (Table 3). For the 52 cadres listed, the best served provinces, were Copperbelt (13 cadres with a ratio above the national median), Southern (16), Lusaka (19), Central (23), Western (33 cadres), North-Western (36), Eastern (38), Luapula (40) and Northern (43).
The provincial distribution of health specific occupations showed a skewed staff distribution in favour of the most urbanized provinces (Lusaka and Copperbelt provinces). The Zambia enrolled nurse is the occupation with the most uniform distribution across provinces.
Distribution of staff by levels of care
Non-qualified health workers (ancillary staff) constituted the greatest majority of workers at Level 3 hospitals, followed by enrolled nurses and registered nurses. There were no consultant surgeons, anaesthetists, laboratory and radiology staff. For 50 occupational categories in the two provinces with Level 3 hospitals (Copperbelt and Lusaka), staffing levels were below the approved establishment for 26 and 35 categories respectively, above for 14 and 9 categories, and equal for 10 and 6 categories.
General medical officers represented between 0.3% and 2.6% of the workforce for Level 2 hospitals per province; clinical officers between 2% and 4%; registered nurses between 4% and 8%; enrolled nurses between 16% and 28% and general nonqualified workers between 41% and 57%. The ratio of non-qualified workers to general medical officer varied from 19 to 137. The ratio of all cadres per bed was generally low, and more so for general medical officers per 100 beds at between 0 and 4.
For Level 1 hospitals the situation was similar. General medical officers represented between 0.3% to 2.9% of the total workforce; clinical officers between 2% to 6%; registered nurses between 4% to 8%; enrolled nurses between 17% to 34% and general non-qualified workers between 34% to 53%; ratios to general medical officer varied from 16 to 159. In Level 1 hospitals, the ratio of cadres per bed was also low: the ratio of general medical officers per 100 beds varied between 0 and 3.
Only two physicians worked in rural health centres in the whole country. Placing doctors at this level may be questionable, but some large health centres function as first level hospitals without being categorized as such by the MoH, and would therefore justify employing physicians. Non-qualified workers formed between 31% to 54% of all staff in rural health centres; clinical officers between 3% and 11%; enrolled midwives between 3% and 14%; environmental health technologist between 8% and 15%; and enrolled nurses between 16% and 27%. The ratio of non-qualified workers to clinical officer varied between 3 and 16 per province.
Urban health centres employed 17 doctors. These facilities also often functioned as first level hospitals, especially in Lusaka which had only tertiary hospitals. The infrastructure of urban health centres was upgraded to enable them to function at a higher level of service provision. Non-qualified workers constitute between 17% to 33% of total staff; clinical officers between 4% and 11%; enrolled midwives between 9% and 2%; environmental health technologist between 0% and 7%; and enrolled nurses between 22% and 45%. The ratio of non-qualified workers to clinical officer varied between 2 and 8 by province.
In the entire country, the data set reported a total 109 staff in health posts: 1 clinical officer, 3 environmental health technologists, 2 registered nurses, 12 enrolled midwives, 32 enrolled nurses, and 59 others.
For Level 3 facilities, vacancy rates varied between 38% in the Copperbelt Province and 5% in the Lusaka Province; for Level 2 facilities, figures were 30% and 70% in the Western and Copperbelt provinces; for Level 1 facilities, 54% and 80% for the Southern and Western provinces. For rural health centres, rates varied between 15% and 63% (Lusaka and Luapula) and for urban health centres between 13% for Lusaka and 96% for the Western provinces.
Discussion: explaining the observed shortages and maldistribution
Zambia enrolled nurses are the most prevalent health specific cadre. This cannot be ignored in any policy to correct the impact of shortages and imbalances.
We identified a severe shortage, reflected in high vacancy rates of personnel in Zambia, associated with imbalances between provinces, levels of care and in the mix of cadres.
Shortages might be due to the inability to compensate for attrition and growing needs with scaled-up production, recruitment and retention of health workers.
High vacancy rates have been described in other studies: Picazo and Kagulura report that the percentage of vacant posts in 2005/2006 was 42% in rural health centres, 22% in urban health centres, and 41% in hospitals (or 33.6% overall). Key posts left vacant all involved professional staff. Districts with high rates of vacancy (> 50%) among professional staff included: Chilubi, 79%; Chinsali, 58%; Kalomo, 59%; Kasama, 66%; Mpika, 57%; Mpongwe, 53%; Mufulira, 66%; Nakonde, 60%; Namwala, 54%; Sesheka, 74%; Shangombo, 56% .
Geographical imbalances of personnel can be attributable to a number of factors , of which we identify some below.
Health workforce policies
The Zambian health sector has shown capacity for HRH innovation. Examples are initiatives such as upgrading the level of training (new degree courses launched or projected, e.g. BSc Nursing), facilitating direct access to diploma level specialist training (e.g. clinical officer, psychiatry, midwifery and mental health nursing), creating new cadres to formalize task delegation from higher level cadres (e.g. dispensers, counsellors and licenciates), informal task shifting (in early 2001, the Zambian law was amended to authorize nurses to prescribe and to insert drips ). There were efforts to identify tasks required to meet needs and to adapt training programs to include them; an example is that of training clinical care specialists, who are physicians who receive further training to assume clinical management functions and to provide hands-on supervision to front line workers (Director HRH Administration, MoH, personal communication, May 2008). However some of the new occupations are not recognised by professional councils, e.g. dressers, care givers, psychosocial counsellors, dispensers, medical technologists. Direct entry to advanced training reduces the back-to-school attrition associated with the loss of personnel who leave their post to train and often do not return to the public sector .
Although Zambia trains generalist cadres with internationally recognized degrees (e.g. doctors and registered nurses), other cadres are only recognized locally or regionally (e.g. Zambia enrolled nurses, clinical officers, clinical licentiates). An example of the policy of training cadres only recognized locally or regionally is that of clinical licenciates. In 2002, the MoH initiated a two-year programme of retraining clinical officers with three years of experience or more, to the level of clinical licentiates, capacitating them with surgical and obstetric skills, and more advanced skills in paediatrics and internal medicine. This training prepares them for operating autonomously in rural hospitals or in large health centres where there are no doctors. They spend six months at the Faculty, do clinical training for 20 months, and then return for 1 month to write exams. After completion, they serve a 1 year internship. These locally recognised cadres are either substitutes or assistants to other cadres; there is a long tradition of these in Zambia that predates independence (Head, Department of Community Medicine, personal communication May 2008). They are a sort of insurance against the loss of medical skills to emigration. The same reasoning applies to two categories of nurses: Registered professional nurses, internationally recognised, have higher emigration rates than enrolled nurses, who are only locally recognized .
In spite of these innovations, there is a shortage of skilled nurses who assume roles not only as providers of nursing care, but also as substitute to other health workers. This creates tensions which do not always help to achieve the best mix of nursing cadres and leads to misunderstandings that lead to the failure and lack of continuity of many training initiatives, such as the two year training of Zambia enrolled nurses or the six month training of nurse assistants, which were proposed by the MoH but opposed by the Union (President of Zambian Union of Nursing, personal communication May 2008).
The emigration of physicians and nurses is part of the general emigration of qualified workers, which in the early 2000's was estimated at 10% of qualified workers in Zambia, 16% in Tanzania, 26% in Angola, 36% in Madagascar, 42% in Mozambique, and 48% in Mauritius. For nurses, the rate was 9.2% in Zambia, 12% in Angola, 17% in Malawi, 19% in Mozambique 24% in Zimbabwe, 28%% in Madagascar, and 63% in Mauritius. It is for physicians that the rate of emigration is particularly high: 57% in Zambia's, surpassed only by Malawi (59%), Angola (71%) and Mozambique (75%) .
The driving forces for migration to other countries and exit of the public sector are many: low remuneration, poor working conditions, absence of career development mechanisms, civil strife and political instability, fear to contract diseases such as HIV/AIDS and policies that encourage labour export like in the Philippines . Some of these factors are present in Zambia, and may explain why out of 1,200 doctors trained in Zambia since the late 1960s, only 391 are still practicing in the Zambian public sector, a decrease that cannot be explained by normal attrition resulting from retirement or death . A 2006 survey of 50 health staff in Lusaka province identified different reasons for potential migration. Low salaries are an important factor driving nurses and clinical officers to look for better paying jobs outside the public sector. Salary had less importance for doctors than inadequate diagnostic equipment and supplies. Work overload and long working hours due to shortage of health staff were also identified as push factors .
Emigration of health workers from Zambia is partly financed by Zambia's policy of offering Voluntary Separation Packages: these are early retirement lump sum payments promoted by the government, which are used towards migration costs .
Working conditions and HRH management
Working conditions are important for motivating health workers to be productive and to meet quality standards. Huddart et al  reported survey results showing that 100% of doctors, 80% of nurses and 92% of clinical officers wanted improvements in the cleanliness and maintenance of public health facilities. All categories of staff identified poor management of human resources as a contributory factor to issues of leave, accommodation and communication not being appropriately dealt with. This probably contributes to the high attrition rates of health personnel observed in the Zambian health sector.
This situation can be changed without significant costs as staff in the Zambian public health sector respond positively to performance-based awards . Staff motivation improves substantially with even small gestures of support and encouragement from district supervisors. For example, non-financial awards are as motivating, if not more, than financial awards and do not generate as much conflict, suspicion, or frustration. Staff also feels encouraged by knowing that their performance is monitored and that this served to target support responding to their actual needs. District managers suggest that a performance-based award program, linked to the district performance management system, helps to guide them in their work, provides direction for supervisory visits and assists in monitoring health facility and district performance . Many health workers generate complementary income by other activities; this is more common in urban than in rural settings (32% and 9% of staff respectively) . Besides the amount of income, other considerations are important, namely the issue of regularity of payment. In the Zambian public sector up to 15% of staff do not always receive their salary and 80% complained of late payments; and 10% of staff had to pay a so-called expediter fee to obtain their salaries .
Attrition rates are also an important cause of health workforce imbalances . In 2003, physicians had the highest attrition rate (9.8%) followed by nurses (5.3%), pharmacists (4.6%) and laboratory technicians (3.5%) ; there are differences in urban and rural attrition rates, leading to net losses of staff in rural areas (Eastern, Luapula, Northern, and Western provinces) and net staff gains in the most urbanized areas (Copperbelt and Lusaka provinces) . Reasons for health personnel attrition include death (38%), resignation (32%), dismissal (12%), retirement (10%) or end of contract (8%) . Feeley et al (2004)  estimated the cost to the public healthcare system of personnel losses due to HIV/AIDS. If transfers to other public sector institutions are excluded, the annual loss of health professionals at the sites studied was 217 out of 2,333 filled positions, an annual attrition rate of 9%. Excluding transfers, losses accounted for 21% of physician vacancies, 14% of clinical officer vacancies and 16% of nurse vacancies. In the 12 months ending in October 2003, deaths represented a significant proportion of all terminations (over 20%); death rates were 0.4% for doctors, 2.8% for clinical officers and 3.5% for nurses working at the study sites. For doctors, mortality is not the main reason for attrition, nor the most important factor contributing for the high vacancy rates. But for clinical officers and nurses, death is the single largest reason for loss. The average age at death for all health professionals was 37.7 years. The graduation of clinical officers would have to increase 80% and of nurses 50% to offset observed mortality. In the final year of employment, those who were absent because of illness recorded an average of 28 additional days of leave. Costs associated with this additional leave, plus death or retirement related payments averaged $4,056 for a doctor, $2,678 for a clinical officer and $3,674 for a nurse. In the short to medium term, the reduction of attrition and vacancies must take into account the effective treatment of AIDS, which is an important cause of absenteeism, burnout, illness and death [19–22].
Health services system factors
Over the years, there has been a steady growth of the private healthcare sector, resulting into various forms of private-public partnerships, which include the sharing of medical equipment and technologies, referral of patients, human resources and facilities.
Right-sizing of the public sector facilities and the gradual increase of "for-profit" and "not-for-profit" private health service providers presents significant policy implications in terms of their involvement in the delivery of public health services. The private sector is a major source of drain of health workers from the public sector, particularly of laboratory personnel, pharmacists and doctors (Director HRH Administration, MoH, personal communication, May2008). Private salaries are more than double government ones for physicians, triple for laboratory technicians, and one third higher for midwives. NGOs are paying between 23% and 46% more than the government .
With the exception of the Churches Health Association of Zambia (CHAZ), other private sector participation in health service delivery in Zambia has been modest. CHAZ is an umbrella Christian NGO that supports 135 member institutions (hospitals, rural health centres, and community-based initiatives). It complements government efforts in the delivery of health care. A memorandum of understanding states that the MoH is mandated to provide CHAZ with trained HRH, and to pay their salary. The MoH deploys the staff, through the provincial health authorities. Issues of planning and performance assessments are dealt with the District Health Offices. The MoH also provides operational funds according to the number of beds. CHAZ provides infrastructure (according to the prototypes defined by the Government), complements Government efforts in logistics, provides expatriate HRH, and assumes the management of operations according to Government standards (Director HRH, CHAZ, personal communication, May.2008)
Factors associated with health workers shortages and with imbalances in their distribution are many and reflect local and global factors that together constitute a trap that perpetuates the situation. No single measure will correct this state of affairs . Measures taken must be multifaceted, and not only sector wide, but also society wide, and supported by national and international stakeholders.
Strategies to address human resources shortages like those described here, as well as unmet needs as there exist in most African countries, have centred around staff retention through incentives such as allowances, salary top-ups, and better working conditions , training and retraining, including shifting as many tasks as possible away from doctors, nurses and pharmacists to non-clinical staff, enabling clinical staff to concentrate on the most complex of their specific areas of expertise . These strategies are in line with the 2010 WHO recommendations on increasing access to health workers in underserved areas . Scaling-up the production of health workers remains a priority, but it is expensive [5, 27]. The costs of addressing shortages and deficits could reduce if rates of retention, graduation and public sector entry came closer to 100% . Redistributing tasks among health worker teams through broader delegation (task-shifting), can increase technical efficiency, while maintaining quality, and thereby improve access and affordability . A projection of enrolment needs up to 2018 concluded that even by training more qualified staff, Zambia would still face shortages, if no other efficiency enhancing measures were taken . The review of the distribution of tasks among the various health cadres is a context-specific process, because it has to be locally relevant and sensitive to potential resistance; actors such as professional councils need to be brought in into the process to make task-shifting acceptable. The demonstration of regional variations in the distribution of the health workforce is a strong argument in favour of discussing options to improve access to services, including through a strategy of task-shifting and creation of new cadres. Whose tasks will be transferred to or shared with whom has to be negotiated and decided locally, within the context of a policy aimed at improving access to health services and to reducing unmet needs.
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The field work for this research was supported by the World Bank. We further acknowledge support received from Fátima Ferrinho in different phases of the preparatory work for this article.
The authors declare that they have no competing interests.
PF, SS and FG participated in the conception of the study, participated in field work, and in the writing up of the paper. SS and PF were responsible for the data analysis. GD was a consultant for the study and was involved with the writing up. All the authors read and approved the final manuscript.
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Ferrinho, P., Siziya, S., Goma, F. et al. The human resource for health situation in Zambia: deficit and maldistribution. Hum Resour Health 9, 30 (2011). https://doi.org/10.1186/1478-4491-9-30
- Health Workforce
- Clinical Officer
- Vacancy Rate
- Rural Health Centre
- Urban Health Centre