Table 1 Search process documentation

Scholars Portal Journals: Social Networks

Maternal health [anywhere]; Maternal health AND developing countries [anywhere]; Female health AND low-income [anywhere]; maternal [anywhere]; Maternal health AND Africa [anywhere]; Maternal health AND Latin America Caribbean [anywhere]; Maternal health AND Asia [anywhere]; Maternal health AND Oceania [anywhere];

3; 0; 0; 0; 6; 0; 0; 0; 0

0; 0; 0; 0; 0; 0; 0; 0

Cochrane Library (32 initial results; 10 chosen)

[Search Title, Abstract, Keyword] “social network” “maternal and child health”; [Search Title, Abstract, Keyword] “social networks” “maternal”; [Search Title, Abstract, Keyword] “social networks”; [Search Title, Abstract, Keyword] “maternal and child health” AND “network analysis”; [Search All Text] “maternal and child health” AND “network analysis”; [Search All Text] “social networks” “fertility”; [Search Title, Abstract, Keyword] “social networks” “maternal” “Africa”; [Search Title, Abstract, Keyword] “social networks” “maternal” “Latin America Caribbean”; [Search Title, Abstract, Keyword] “social networks” “maternal” “Asia”; [Search Title, Abstract, Keyword] “social networks” “maternal” “Oceania”

1; 1; 3; 0; 0; 0; 0; 0; 0; 0

0; 0; 0; 0; 0; 0; 0; 0; 0; 0

PubMed 9 repeat; 1 unable to access

“social network” AND “maternal and child health”[AND “developing”; ((“social networks”) AND (“fertility”)); ((“social networks”) AND (“maternal and child health”)); ((“social networks”) AND (“women”) AND (“developing countries”)); “social network*” AND “maternal health” AND Africa [All Fields]; “social network*” AND “maternal health” AND “Latin America Caribbean” [All Fields]; “social network*” AND “maternal health“ AND “Asia” [All Fields]; “social network*” AND “maternal health” AND “Oceania” [All Fields];

1; 43; 8; 38; 10; 0; 11; 3

0; 25; 1; 4; 6; 0; 4; 0

Medline (3 unable to access; 8 repeat)

(“social network*” and “maternal and child health”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; (“social network*” and “maternal and child health” and “developing countr*”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; (“maternal” and “social network*” and “low-income”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; (“social network*” and “fertility” and “developing countr*”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; (“social network*” and “fertility”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; “social network*” and “maternal health” and Africa).mp.; (“social network*” and “maternal health” and “latin america caribbean”).mp.; (“social network*” and “maternal health” and “Asia”).mp “social network*” and “maternal health” and “oceania”).mp.

8; 0; 10; 4; 32; 3; 0; 1; 0; 0

0; 0; 2; 2; 10 ; 0; 0; 1; 0; 0

Social Sciences Citation Index (SSCI) 2 unable to access; 2 repeats

Topic = (“social network”) AND Topic = (“maternal and child health”) Timespan = All Years. Databases = SCI-EXPANDED, SSCI, A&HCI, CPCI-S, CPCI-SSH, BKCI-S, BKCI-SSH.;; Topic = (“social network”) AND Topic = (“maternal health”) Timespan = All Years. Databases = SCI-EXPANDED, SSCI, A&HCI, CPCI-S, CPCI-SSH, BKCI-S, BKCI-SSH.; Topic = (“social network”) AND Topic = (“maternal and child health”) Timespan = All Years. Databases = SCI-EXPANDED, SSCI, A&HCI, CPCI-S, CPCI-SSH, BKCI-S, BKCI-SSH.;; Topic = (“social network”) AND Topic = (“fertility”) Timespan = All Years. Databases = SCI-EXPANDED, SSCI, A&HCI, CPCI-S, CPCI-SSH, BKCI-S, BKCI-SSH; Topic = (“developing countries”) AND Topic = (“female health”) AND Topic = (“network analysis”) Timespan = All Years. Databases = SCI-EXPANDED, SSCI, A&HCI, CPCI-S, CPCI-SSH, BKCI-S, BKCI-SSH; Topic = (social network*) AND Topic = (maternal health) AND Topic = (africa); Topic = (social network*) AND Topic = (maternal health) AND Topic = ( latin america caribbean); Topic = (social network*) AND Topic = (maternal health) AND Topic = (asia); Topic = (social network*) AND Topic = (maternal health) AND Topic = (Oceania)

3; 2; 2; 33; 8; 0; 3; 0

1; 2; 0; 17; 2; 0; 0; 0

Google Scholar (13 repeat)

“maternal and child health” AND “social network analysis”; “fertility” AND “social network analysis” AND “developing country”; “fertility” AND “female health” AND “social network” AND “low-income country”; “fertility” AND “female health” AND “social networks” AND “low-income country”; “maternal health” AND “social networks” AND “low-income country”; “maternal health” AND “social network analysis” AND “Africa”; “maternal health” AND “social network analysis” AND “Latin America” “Caribbean”; “maternal health” AND “social network analysis” AND “Asia”; “maternal health” “social network analysis” “Oceania”

137; 62; 3; 5; 51; 39; 11; 31

41; 10; 2; 2; 26; 15; 3; 8

African Index Medicus

“social network analysis”; “network analysis”; “social network”

0; 0; 0;

0; 0; 0

LILACS (7 repeated)

[Search Title, Abstract, Keyword] “social network” “maternal and child health”; [Search Title, Abstract, Keyword] “social networks” “maternal”; [Search Title, Abstract, Keyword] “maternal and child health” AND “network analysis”; [Search All Text] “maternal and child health” AND “network analysis”; [Search All Text] “social networks” “fertility”; [Search Title, Abstract, Keyword] “social networks” “maternal” “Africa”; [Search Title, Abstract, Keyword] “social networks” “maternal” “Latin America Caribbean”; [Search Title, Abstract, Keyword] “social networks” “maternal” “Asia”; [Search Title, Abstract, Keyword] “social networks” “maternal” “Oceania”

0; 58; 0; 19; 0; 0; 0; 0;

0; 4; 0; 0; 0; 0; 0; 0;

EMBASE (4 repeat; 2 unavailable)

(“social network*” and “maternal and child health”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; (“social network*” and “maternal and child health” and “developing countr*”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; (“maternal” and “social network*” and “low-income”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; (“social network*” and “fertility” and “developing countr*”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; (“social network*” and “fertility”).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept, rare disease supplementary concept, unique identifier]; “social network*” and “maternal health” and Africa).mp.; (“social network*” and “maternal health” and “latin america caribbean”).mp.; (“social network*” and “maternal health” and “Asia”).mp “social network*” and “maternal health” and “oceania”).mp.

13; 2; 11; 8; 76; 1; 0; 1; 0

2; 0; 0; 2; 0; 1; 0; 0; 0;