Authors, Year	Study Type	S1. Are There Clear Research Questions?	S2. Do the Collected Data Allow for Addressing the Research Questions?	4.1. Is the Sampling Strategy Relevant to Addressing the Research Question?	4.2. Is the Sample Representative of the Target Population?	4.3. Are the Measurements Appropriate?	4.4. Is the Risk of Nonresponse Bias Low?	4.5. Is the Statistical Analysis Appropriate to Answer the Research Question?
Alawa et al., 2021 [48]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Ashraf et al., 2020 [49]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Auerbach et al., 2021 [50]	Quantitative	Y	Y	N	Y	Y	Y	Y
Austrian et al., 2020 [25]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Hasan et al., 2021 [51]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Islam et al., 2021 [52]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Kar et al., 2021 [53]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Mamun and Fatima, 2021 [54]	Quantitative	Y	Y	N	Y	Y	Y	Y
Mukhopadhyay, 2020 [55]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Nuwagaba et al., 2020 [56]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Shammi et al., 2020 [57]	Quantitative	Y	Y	Y	Y	Y	Y	Y
Shermin et al., 2021 [58]	Quantitative	Y	Y	Y	Y	Y	Y	Y
		S1. Are there Clear Research Questions?	S2. Do the Collected Data Allow for Addressing the Research Questions?	5.1. Is there An Adequate Rationale For Using a Mixed Methods Design to Address the Research Question?	5.2. Are the Different Components of the Study Effectively Integrated to Answer the Research Question?	5.3. Are the Outputs of the Integration of Qualitative and Quantitative Components Adequately Interpreted?	5.4. Are Divergences and Inconsistencies Between Quantitative and Qualitative Results Adequately Addressed?	5.5. Do the Different Components of the Study Adhere to the Quality Criteria of Each Tradition of the Methods Involved?
Napier-Raman et al., 2021 [44]	Mixed method	Y	Y	Y	Y	Y	Y	Y
Peteet et al., 2020 [45]	Mixed method	Y	Y	N	Y	Y	Y	Y
Pongutta et al., 2021 [46]	Mixed method	Y	Y	Y	Y	Y	Y	Y
		S1. Are there Clear Research Questions?	S2. Do the Collected Data Allow for Addressing the Research Questions?	1.1. Is the Qualitative Approach Appropriate to Answer the Research Question?	1.2. Are the Qualitative Data Collection Methods Adequate to Address the Research Question?	1.3. Are the Findings Adequately Derived from the Data?	1.4. Is the Interpretation of Results Sufficiently Substantiated by Data?	1.5. Is there Coherence Between Qualitative Data Sources, Collection, Analysis and Interpretation?
Akter et al., 2021 [21]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Akter et al., 2021 [22]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Amdeselassie et al., 2020 [23]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Arora and Majumder, 2021 [24]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Azeez et al., 2020 [26]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Bercegol et al., 2020 [27]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Bhattacharya 2020 [28]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Cloethe et al., 2020 [29]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Collantes et al., 2020 [30]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Douedari et al., 2020 [31]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Ebekozien et al., 2021 [32]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Iwuoha et al., 2020 [33]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Jalil et al., 2021 [34]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Munajed and Ekren, 2020 [35]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Natnael et al., 2021 [36]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Nyashanu et al., 2020 [37]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Oluoch-Aridi et al., 2020 [38]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Parikh et al., 2020 [39]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Patel, 2020 [40]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Rashid et al., 2020 [41]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Sahu et al., 2020 [42]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Saldanha, 2020 [43]	Qualitative	Y	Y	Y	Y	Y	Y	Y
Wasdani et al., 2020 [47]	Qualitative	Y	Y	N	Y	Y	Y	Y