A systematic review of the childbearing needs of single-child couples

Seraj Shirvan, Fatemeh; Moradi, Maryam; Latifnejad Ruodsari, Robab

doi:10.1186/s12905-024-02928-0

BMC Women's Health

Table 3 Quality assessment of the included studies in the systematic review using STROBE criteria

From: A systematic review of the childbearing needs of single-child couples

Criteria/study	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17
1a (- indicate the study design	+	+	+	+	+	-	-	+	+	+	+	+	+	+	+	+	+
1b (- An informative and balanced summary	+	-	-	+	-	-	+	-	+	+	+	+	+	+	+	+	+
2) Background/rationale	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
3) Objectives	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
4) Study design	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
5) Setting	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
6a) Eligibility criteria, selection of participants, follow-up	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
6b) Matching criteria and number of exposed andunexposed	NA^a	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
7) Variables	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
8) Data sources/measurement	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
9) Bias	-	+	+	+	-	+	-	-	+	-	+	+	-	-	-	-	-
10) Study size	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	-
11) Quantitative variables	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
12a) All statistical methods	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
12b) Subgroups and interactions	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
12c) Missing data	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
12d) loss to follow-up, matching, analytical methods	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
12e) Sensitivity analyses	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
13a) Numbers of individuals	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
13b) Reasons for non-participation	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
13c) flow diagram	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
14a) Characteristics of study participants	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
14b) Participants with missing data	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
14c) Summaries follow-up time	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
15) Outcome data	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
16a) Unadjusted estimates	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	_
16b) Category boundaries	+	-	-	+	+	+	+	+	+	+	+	+	+	+	+	+	+
16c) Relative risk	+	NA	NA	+	NA	+	NA	NA	NA	NA	NA	+	+	NA	NA	NA	+
17) Other analyses	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
18) Key results	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
19) Limitations	+	+	-	+	+	-	-	-	-	-	+	+	-	+	+	-	-
20) Interpretation	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
21) Generalizability	+	+	-	+	+	-	-	+	-	+	+	+	+	-	-	-	-
22) Funding	+	+	-	+	+	-	+	+	-	+	-	+	+	-	-	+	-
Quality	good	good	average	good	good	average	good	average	good	good	good	good	good	good	good	good	average

^aNA, Not Applicable

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ISSN: 1472-6874

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