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Recruitment and participation of a survey in a public-private primary care setting: experience from the QUALICOPC Malaysia.

Husin, M., Rahman, N.A., Wong, X.C., Mohamad Noh, K., Tong, S.F., Schäfer, W., Boerma, W., Atun, R., Sivasampu, S. Recruitment and participation of a survey in a public-private primary care setting: experience from the QUALICOPC Malaysia. Primary Health Care Research and Development: 2020, 21, p. Art. nr. e51.
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Aim
The purpose of this paper is to describe the recruitment strategies, the response rates and the reasons for non-response of Malaysian public and private primary care doctors in an international survey on the quality, cost and equity in primary care.

Background
Low research participation by primary care doctors, especially those working in the private sector, is a challenge to quality benchmarking.

Methods
Primary care doctors were sampled through multi-stage sampling. The first stage-sampling unit was the primary care clinics, which were randomly sampled from five states in Malaysia to reflect their proportions in two strata - sector (public/private) and location (urban/rural). Strategies through endorsement, personalised invitation, face-to-face interview and non-monetary incentives were used to recruit public and private doctors. Data collection was carried out by fieldworkers through structured questionnaires.

Findings
A total of 221 public and 239 private doctors participated in the study. Among the public doctors, 99.5% response rates were obtained. Among the private doctors, a 32.8% response rate was obtained. Totally, 30% of private clinics were uncontactable by telephone, and when these were excluded, the overall response rate is 46.8%. The response rate of the private clinics across the states ranges from 31.5% to 34.0%. A total of 167 answered the non-respondent questionnaire. Among the non-respondents, 77.4 % were male and 22.6% female (P = 0.011). There were 33.6% of doctors older than 65 years (P = 0.003) and 15.9% were from the state of Sarawak (P = 0.016) when compared to non-respondents. Reason for non-participation included being too busy (51.8%), not interested (32.9%), not having enough patients (9.1%) and did not find it beneficial (7.9%). Our study demonstrated the feasibility of obtaining favourable response rate in a survey involving doctors from public and private primary care settings.