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Table 1 Study characteristics

From: Factors contributing to the variation in antibiotic prescribing among primary health care physicians: a systematic review

Author (year)

Country

Objective

Study design

Study approach

Study population

Sample size

Data collection methods

Setting

Data analysis

Overall Quality Score from 5 criteria

Palin, et al. [25]

UK

Examine factors and variations across general practices in antibiotic prescribing

Retrospective observational study

Quantitative

Patients and physicians

587

Extract from online database

Primary health care

Descriptive and changing point analysis

5

Lum, et al. [6]

Australia

To Identify dominant factors in decision of antibiotic prescription

Observational (exploratory)

Mixed method

General practitioner

10

Interview and the discrete choice experiment

Primary health care

Thematic analysis and descriptive

5

van der Velden, et al. [20]

18 European

countries

To identify Factors related to antibiotic prescription and describe between countries difference

Observational (prospective)

Quantitative

Physicians and patients

4982 patients and 143 physicians

Point-prevalence audit survey

Primary health care

Descriptive and inferential

5

Theodorou, et al. [26]

Greece and Cyprus

To investigate attitudes and the factors that influence physician prescribing decisions and practice

0bservational (cross-sectional study)

Quantitative

Physicians

1703

Survey

Both primary and secondary care

Descriptive and inferential

4

Queder, et al. [18]

Germany

To identify contextual factors associated with practitioners’ perceptions of antibiotic prescribing

Observational (prospective study)

Quantitative

Physicians

229

Survey

Primary health care

Descriptive and inferential

5

Chan, et al. [27]

Singapore

To understand the determinants influencing antibiotic prescribing decisions

Observational (cross-sectional study)

Qualitative

Physicians

19

In-depth interviews

Both secondary and primary healthcare

Descriptive and thematic analysis

4

Ahmadi and Zarei [28])

Iran

To explore the prescribing patterns and rational drug use for family physicians

observational (retrospective)

Quantitative

Family physician

184

Observation and analysing of prescriptions

Primary health care

Descriptive analysis

4

Kotwani, et al. [29]

India

To explore the factors that influence primary care physicians to prescribe antibiotics and to investigate possible interventions

Observational (cross-sectional)

Qualitative

Physicians

36

Focus group discussions

Primary healthcare

Grounded theory

4

Fletcher-Lartey, et al. [30]-

Australia

To describe the role patient expectations, play in general practitioners antibiotic prescribing

Observational (cross-sectional)

Mixed methods

Physicians

584

Survey and interviews

Primary care

Descriptive and framework analysis

5

Laka, et al. [31]

Australia

To identify perceived barriers to appropriate antibiotic prescribing across different healthcare settings

Observational (cross-sectional)

Quantitative

Physicians

180

Survey

Australian hospitals and primary care

Descriptive and content analysis

5

Swe, et al. [32]

Myanmar

To quantify prescriber variability in antibiotic prescription to patients with acute fever

Observational (retrospective)

Quantitative

Patient and physicians

1090 patient consultations with 40 doctors

From online database

Primary healthcare clinics

Descriptive and inferential

4

Mousquès, et al. [33]

France

To measure variability of antibiotic prescription by French general practitioners for acute rhinopharyngitis

Observational (retrospective)

Quantitative

Patients and physicians

778 general practitioners

Collected retrospectively from recorded patient files

Primary care and hospitals

Descriptive and inferential

4

Björnsdóttir, et al. [34]

Iceland

To map physician decision-making for common infections, exploring their diagnostics basics for antibiotic prescriptions

Observational (cross-sectional)

Qualitative

Physicians

10

Interviews

Primary health care

Ground theory

3

Bharathiraja, et al. [35]

India

To understand the antibiotic prescription pattern and factors influencing it

Observational (cross-sectional)

Quantitative

Physicians

40

Observation and analysing of prescriptions

Primary health care

Descriptive analysis

3

Cadieux, et al. [36]

Australia

To assess whether physician knowledge, time in practice place of training and practice volume explain the difference in antibiotic prescribing among physicians

Observational (retrospective)

Quantitative

Physicians

852

Extracted from online database,

Primary care physicians

Descriptive and inferential

5

Skodvin, et al. [37]

Norwegian

To investigate factors influencing doctors’ antimicrobial prescribing practices

Observational (cross-sectional)

Qualitative

Physicians

15

Interviews

Primary care and hospital setting

Thematic analysis

5

Guo, et al. [38]

Singapore

To explore processes underpinning decision-making for antibiotic prescribing by considering doctors' experience in different primary care settings

Observational (cross-sectional)

Qualitative

Physicians

30

Interviews

Primary healthcare settings

Thematic analysis

5

Borek, et al. [39]

UK

To assess social and contextual factors affecting antibiotic prescribing and engagement with antimicrobial stewardship

Observational (cross-sectional)

Qualitative

Physicians

41

Interviews

Primary health care

Thematic analysis

4

Béjean, et al. [40]

French

To identify the different practice profiles of general practitioners in order to test the hypothesis of heterogeneity in physician behaviour

Observational (retrospective)

Quantitative

Physicians

4,660

Extract from database

Primary care and hospitals

Cluster analysis and inferential analysis

5

Sydenham, et al. [41]

Denmark

To assess the importance of factors that influence decision by GPS to prescribe antibiotics for acute respiratory tract infections

Observational (cross-sectional)

Quantitative

Physicians

3336

Survey including discrete choice experiments

All healthcare settings

Descriptive and inferential

5

Schwartz, et al. [12]

Canada

To describe factors of overall antibiotic prescribing as well as the inter-physician variability in antibiotic prescribing among family physicians

Observational (retrospective)

Quantitative

Family Physicians

313

Extract from online database

Not specify

Descriptive and inferential

3

Aabenhus, et al. [8]

Denmark

To identify practice-related factors associated with high prescribers, including prescribers of critically important antibiotics as defined by WHO

Observational (retrospective)

Quantitative

Physicians

1962

Extract from online database

From all health care service

Descriptive and inferential

4

Pouwels, et al. [42]

UK

To explore to what extent factors such as patient comorbidities explain this variation in antibiotic prescribing

Observational (retrospective)

Quantitative

Physicians

348

Extract from online database

Primary health care

Descriptive and inferential

5

Paluck, et al. [43]

Canada

To investigate whether overprescribing is common in treatment of paediatric upper respiratory infections and to examine factors that influence prescribing antibiotics for antibiotic prescription

Observational (cross-sectional)

Quantitative

General and family physicians

608

Postal survey

Primary health care and family clinics

Descriptive analysis

4

Kumar, et al. [44]

UK

To understand why general practitioners, prescribe antibiotics for some cases of sore throat and to explore the factors that influence their prescribing

Observational (cross-sectional)

Qualitative

Physicians

40

Interview

Primary health care

Ground theory

3

Simpson, et al. [45]

UK

To understand of general practitioners’ perceptions of antimicrobial resistance

Observational (cross-sectional)

Qualitative

Physicians

40

Interview

Primary health care and hospitals

Grounded theory

4

Wood, et al. [46]

UK

Explore the reasons for their choice of prescribed antibiotic, in particular, their decision

Observational (cross-sectional)

Qualitative

Physicians

40

Interview

Primary health care

Grounded theory

4

Reynolds and McKee [47]

China

To assess knowledge, attitude and practice about the use of antibiotics and assess factors influencing antibiotic prescribing

Observational

Mixed methods

Patients and physicians

24 patients and 12 doctors

Survey, interviews and focus group discussion

Primary care and hospitals

Descriptive and grounded theory

4

Bjorkman, et al. [48]

Sweden

To explore and describe perception of antibiotic prescribing among Swedish hospital physicians

Observational (cross-sectional)

Mixed method

Physicians

25

Interviews and survey

Primary health care

Narrative analysis and descriptive

4

Björkman, et al. [49]

Sweden

To explore and describe the variation in GPS perception of infectious diseases management with special reference to antibiotic prescribing

Observational (cross-sectional)

Qualitative

Physicians

20

Interview

Primary care

Thematic analysis

5

Vazquez-Lago, et al. [50]

Spain

To ascertain the opinions and attitudes of general practitioners in Spain concerning antibiotics prescription and resistance

Observational (cross-sectional)

Qualitative

Physicians

33

Focus group discussion

Primary health care

Thematic analysis

4

Akkerman, et al. [51]

Netherlands

To assess determinants of antibiotic overprescribing in patients with sinusitis, tonsillitis and bronchitis in Dutch general practice

Observational (cross-sectional)

Quantitative

Physicians with their patients

146

Observation of prescribed papers

Primary health care

Descriptive and inferential

4

Wester, et al. [52]

USA

To know about prescribers' views on antibiotic resistance and impact on prescription

Observational (cross-sectional)

Quantitative

Internal medicine physicians

490

Survey

Primary health care and hospitals

Descriptive analysis

4

van der Zande, et al. [53]

UK

To understand contextual factors related to general practitioners' antibiotic prescribing behaviour in low, high, and around the mean prescribing primary

Observational (cross-sectional)

Qualitative

Physicians

41

Interviews

Primary health care

Thematic analysis

5

Chem, et al. [54]

Cameroon

To investigate prescribing patterns and predictors of antibiotic prescription in primary healthcare facilities

Observational (retrospective)

Quantitative

Physicians

30,096 prescriptions and 59 physicians

Observation of prescription and survey

Primary health care

Descriptive and inferential

4

Beilfuss, et al. [55]

USA

To estimate heterogeneous treatment responses across specialties

Randomized-controlled trial

Quantitative

Physician

645,620

Extract from recorded data and patient survey scores

Primary health care

Descriptive and inferential analysis

5

Zetts, et al. [56]

USA

To assess physicians' current attitudes towards antibiotic resistance, inappropriate antibiotic prescribing and the feasibility of outpatient stewardship efforts

Observational (cross-sectional)

Qualitative

Physicians

52

Focus group discussion

Primary health

Thematic analysis

5

Rodrigues, et al. [57]

Portugal

To compare both the attitudes and knowledge between primary care and hospital care physicians with regards to antibiotic prescribing

Observational (cross-sectional)

Quantitative

Physicians

56

Survey

Primary health care and hospital

Descriptive and inferential

4

Alradini, et al. [58]

Saudi Arabia

To identify the sociocultural and behavioural determinants that affect antibiotic prescription behaviour among primary care physicians and estimate the awareness about antibiotic resistance of public health importance

Observational (cross-sectional)

Quantitative

Physicians

434

Survey

Primary care

Descriptive and inferential

4

Tang, et al. [59]

China

To evaluate the variations in effect of public reporting in antibiotic prescribing practice among physicians with different performance in primary health care

A randomized-controlled trial

Quantitative

Physicians

60

Survey and prescription data

Primary health care

Descriptive and inferential

4

Rodrigues, et al. [60]

Portugal

To assess the influence of the determinants of physicians prescribing on the quality of antibiotic use

Observational (prospective)

Quantitative

Physicians

1094

Survey and use antibiotic prescribing quality indicators

Primary-care

Descriptive and inferential

5

Al-Homaidan and Barrimah [61]

Saud Arabia

To evaluates primary health care physicians' knowledge expectation and practice regarding antibiotics use in upper respiratory tract infections

Observational (cross-sectional)

Quantitative

Physician

294

Survey

Primary health care

Descriptive and inferential

4

Frost, et al. [62]

USA

To evaluate variation in antibiotic prescribing between paediatric and nonpediatric providers for common upper respiratory illnesses

Observational (retrospective)

Quantitative

Paediatric and physician

141 361

Extraction from online database

Primary health care

Descriptive and inferential

4

Karimi, et al. [63]

Iran

To investigate the pattern and factors affecting outpatients’ antibiotic prescribing by family physicians in primary health care

Observational (cross-sectional)

Quantitative

Family physicians

19

Evaluation of prescription pattern

Primary health care

Descriptive and inferential

5

Huang, et al. [64]

Singapore

To understand the determinant of antibiotic prescribing for URTI among junior physicians

Observational(cross-sectional)

Quantitative

Junior Physicians

130

Survey and interview

Primary health care

Descriptive and principal component analysis

5

Sharaf, et al. [65]

Qatar

Explores barriers to appropriate antibiotic prescription and pharmacists’ perspectives at primary health centres in Qatar

Observational (cross-sectional)

Qualitative

Physicians and pharmacists

50

Interview, and focus-groups discussion

Primary health care

The thematic constant comparative method

3

Poss-Doering, et al. [66]

German

To identify factors relevant to primary care physicians’ decision-making when prescribing antibiotics for acute noncomplicated infections

Observational (cross-sectional)

Qualitative

Physician

27

Interviews

Primary health care

Descriptive and thematic analysis

5

Liu, et al. [67]

China

To fill the gap, modelling physician antibiotics prescribing and identifying the potential intrinsic and external determinants of antibiotic prescribing in primary care

Observational (cross-sectional)

Quantitative

Physicians

499

Survey

Primary health care

Descriptive and two-level path analysis

5

Cordoba, et al. [68]

Bolivia, Paraguay and Uruguay

To describe and compare antibiotic prescribing patterns for primary care patients with respiratory tract infections in South American countries

Observational (prospective)

Quantitative

Physician

171

Survey and observation of their prescription

Primary health care

Descriptive and inferential

4