| Author (year) |
Study setting |
Country |
Sample size |
Study design/analysis test |
Outcomes related to education |
References |
| Adeponle et al. (2007) |
Outpatient clinics, Federal Neuro-Psychiatric Hospital |
Nigeria |
223 |
Observational study (cross-sectional)/chi-square test |
Non-attendance was not significantly associated with educational level |
[40] |
| Alhamad (2013) |
General Clinic, Military Hospital |
Saudi Arabia |
760 |
Observational study (cross-sectional)/chi-square test |
Non-attendance was significantly associated with educational level (no formal education; p = 0.01) |
[1] |
| AlRowaili et al. (2016) |
Division of Magnetic Resonance Imaging, King Abdul-Aziz Medical City |
Saudi Arabia |
904 |
Observational study (cross-sectional)/chi-square test/logistic regression analysis |
Non-attendance was significantly associated with educational level (lack of education: chi-square, p = 0.019; logistic regression, p = 0.027) |
[21] |
| Cheng et al. (2014) |
Kaohsiung Municipal Kai-Syuan Mental Hospital |
Taiwan |
802 |
Observational study (cross-sectional)/logistic regression analysis |
Non-attendance was not significantly associated with educational level |
[42] |
| Harvey et al. (2017) |
Radiology Department, Massachusetts General Hospital |
The United States of America |
54652 |
Observational study (retrospective cohort)/logistic regression analysis |
Non-attendance was significantly associated with educational level (p = <0.001>) |
[18] |
| Meer & Loock (2008) |
ENT/Oncology clinics, Tygerberg Academic Hospital |
South Africa |
305 |
Observational study (prospective, descriptive series with controls)/not provided in the study |
Non-attendance was not significantly associated with educational level |
[45] |
| Ootes et al. (2012) |
Orthopedic Clinic, Massachusetts General Hospital |
The United States of America |
665 |
Observational study (retrospective cohort)/chi-square test and logistic regression analysis |
Non-attendance was significantly associated with educational level (p < 0.05) |
[17] |
| Omokanye et al. (2021) |
Outpatient clinics, Federal Hospital Bida |
Nigeria |
380 |
Observational study (cross-sectional)/chi-square test |
Non-attendance was significantly associated with educational level (p = 0.005) |
[44] |
| Ramm et al. (2012) |
Internal Medicine Clinic, Green Lane Hospital |
New Zealand |
324 |
Observational study (cross-sectional)/chi-square test |
Non-attendance was significantly associated with educational level (p < 0.05) |
[46] |
