Table 5.

Characteristics of included studies

Characteristics	Number of studies included in final inventory (%)	Number of studies examining experience of care (%)
Methodology
Randomized controlled trial	1 (0.7%)	–
Controlled clinical trial	1 (0.7%)	1 (2.2%)
Cohort analytic	10 (7.2%)	4 (8.9%)
Case-control	2 (1.4%)	1 (2.2%)
Controlled (before & after)	7 (5.0%)	2 (4.4%)
Interrupted time series	1 (0.7%)	–
Qualitative	8 (5.8%)	6 (13.3%)
Mixed methods	21 (15.1%)	8 (17.8%)
Regression	55 (39.6%)	15 (33.3%)
Other	31 (22.3%)	8 (17.8%)
Unclear / not specified	2 (1.4%)	–
Country Income Group
Low	33 (23.7%)	11 (24.4%)
Lower-middle	75 (54.0%)	23 (51.1%)
Upper-middle	19 (13.7%)	9 (20.0%)
Multiple	12 (8.6%)	2 (4.4%)
Geographical Level
National	34 (24.5%)	5 (11.1%)
Sub-national (e.g. state, city)	73 (52.5%)	26 (57.8%)
Local (e.g. village)	7 (5.0%)	4 (8.9%)
Health facility	18 (12.9%)	9 (20.0%)
Other	5 (3.6%)	1 (2.2%)
Unclear / not specified	2 (1.4%)	–
Study Population
Pregnant women	11 (7.9%)	5 (11.1%)
Women during childbirth	2 (1.4%)	–
Mothers postpartum	12 (8.6%)	3 (6.7%)
Infants	13 (9.4%)	6 (13.3%)
Children	9 (6.5%)	1 (2.2%)
Health care providers	41 (29.5%)	10 (22.2%)
Parents / child caretakers	4 (2.9%)	2 (4.4%)
Multiple answers from list	26 (18.7%)	8 (17.8%)
Other (e.g., urban poor, married women)	20 (14.4%)	10 (22.2%)
Unclear/unspecified	1 (0.7%)	–
Publication Type
Peer-reviewed journal article	103 (74.1%)	35 (77.8%)
Report	27 (19.4%)	8 (17.8%)
Book or book chapter	1 (0.7%)	1 (2.2%)
Other (e.g., conference paper, abstract)	8 (5.8%)	1 (2.2%)
Implemented a specific intervention beyond the delivery of quality care?
Yes	58 (41.7%)	15 (33.3%)
No	81 (58.3%)	30 (66.7%)
Type of Data
Quantitative	104 (74.8%)	27 (60.0%)
Qualitative	8 (5.8%)	6 (13.3%)
Both	27 (19.4%)	12 (26.7%)
Longitudinal data?
Yes	45 (32.4%)	13 (28.9%)
No	90 (64.7%)	30 (66.7%)
Unclear / not specified	4 (2.9%)	2 (4.4%)