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Table 1 Summary of characteristics of included studies

From: Prevalence of and reasons for women’s, family members’, and health professionals’ preferences for cesarean section in Iran: a mixed-methods systematic review

Characteristic Number of studies Studies
Total 91 [27, 45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135]
Language of publication
Persian 55 [45, 55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89, 103,104,105,106,107,108,109,110, 114,115,116,117,118,119,120, 122, 123, 127, 129, 130]
English 36 [27, 46,47,48,49,50,51,52,53,54, 90,91,92,93,94,95,96,97,98,99,100,101,102, 111,112,113, 121, 124,125,126, 128, 131,132,133,134,135]
Year of data collection
1999–2010 18 [47, 50, 54, 60,61,62, 65, 75,76,77, 79, 81, 83,84,85,86,87, 124]
2011 or 2019 56 [27, 45, 46, 48, 55,56,57, 64, 67, 72, 73, 78, 82, 90,91,92,93,94,95, 97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123, 125,126,127,128,129,130,131,132,133,134,135]
Not specified 17 [49, 51,52,53, 58, 59, 63, 66, 68,69,70,71, 74, 80, 88, 89, 96]
Study design
Quantitative study 65 [45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110]
 Longitudinal 1 [46]
 Cross-sectional 48 [45, 47,48,49,50,51,52,53,54, 57,58,59,60,61,62, 65,66,67,68,69, 72,73,74,75,76,77,78, 80,81,82,83,84, 86,87,88,89,90,91,92,93,94, 96, 98, 100, 102, 103, 107,108,109]
 Experiment (baseline) 15 [55, 56, 63, 64, 70, 71, 79, 85, 95, 97, 99, 101, 104,105,106]
Prospective cohort study 1 [110]
Qualitative study 26 [27, 111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135]
Location
Urban 80 [27, 45, 47, 48, 50,51,52,53,54,55,56, 58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77, 79,80,81,82,83,84,85,86,87,88,89, 92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112, 114, 117, 118, 120,121,122,123,124,125,126,127,128,129,130,131,132, 134, 135]
Rural 1 [57]
Mixed 3 [78, 116, 119]
Unknown 7 [46, 49, 90, 91, 115, 113, 133]
Population
Facility-based 89 [27, 45,46,47, 49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89, 91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135]
Population-based 1 [48]
Unknown 1 [90]
Participants
In quantitative study
Pregnant women (regardless parity) 33 [44,45,46,47, 52, 55, 56, 58,59,60, 62, 64, 65, 71,72,73, 75, 77,78,79, 82, 84, 85, 87, 91, 93, 97,98,99,100,101,102, 107]
Nulliparous 28 [43, 43,48,49,51, 53, 54, 57, 61, 63, 63,67,68,70, 74, 76, 83, 86, 89, 90, 92, 9, 96, 103,104,105,106,107]
Multiparous 3 [50, 90, 94]
Pregnant women with previous CS 2 [48, 88]
Mothers and husbands of women 1 [95]
Midwifes and doctors 3 [66, 81, 87]
In qualitative study
Women (pregnant, postpartum, NVD or CS, Nulliparous or Multiparous), healthcare providers ( midwife, physicians), husbands 26  
Quality of quantitative included studies 65  
Low 18 [45, 46, 48, 51, 57,58,59,60, 64, 71,72,73, 81, 83,84,85, 89]
Middle 5 [50, 69, 70, 77, 80]
High 41 [47, 49, 52,53,54,55,56, 61,62,63, 65,66,67,68, 74,75,76, 78, 79, 82, 86,87,88, 90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110]
Quality of qualitative included studies 26 [27, 111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135]
A: High 2 [27, 113]
B: Moderate 12 [117, 118, 121, 124,125,126, 128, 130, 132,133,134,135]
C: Low 10 [111, 114,115,116, 119, 120, 123, 129, 127, 131]
D: very low 2 [112, 122]