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Table 1 Search strategy—PICO table and databases

From: Menstrual hygiene practices and associated factors among Indian adolescent girls: a meta-analysis

Database Framework Search items Number of articles
PUBMED Population (P) (Adolescent OR adolescence OR peer OR puberty OR school) P: 7,770,604
Intervention or condition (I) AND (Menstruation OR menses) I: 36,389
P + I: 12,788
Control (C) AND (Education OR programme OR management) C: 5,674,219
P + I + C: 3,649
Outcome (O) AND (Hygiene OR sanitation OR hygienically OR Practice) AND (Infection OR abnormalities OR illness OR problem OR diseases OR morbidity) AND (Associated factors OR Modifiable factors OR Non modifiable factors) O: 105,353
P + I + C + O: 114
Timing (T) (01/07/2011 to 01/07/2021) P + I + C + O + T: 59
Setting (S) AND (India) S: 646,516
P + I + C + O + S: 11
GOOGLE SCHOLAR Population (P) (Adolescent OR peer OR puberty OR school) P: 56,60,000
Intervention or condition (I) AND (Menstruation OR menses) I: 4,52,000
P + I: 2,05,000
Control (C) AND (Education OR programme OR management) C: 74,50,000
P + I + C: 1,72,000
Outcome (O) AND (Hygiene OR sanitation OR Practice) AND (Infection OR abnormalities OR diseases OR morbidity) AND (Associated factors) O: 30,90,000
P + I + C + O: 75,700
Timing (T) (01/07/2011 to 01/07/2021 T: 17,500
Setting (S) AND (India) S: 54,90,000
P + I + C + O + T + S: 16,800
SCIENCE DIRECT Population (P) (Adolescent) P: 417,843
Intervention or condition (I) AND (Menstruation OR menses) I: 77,694
P + I: 12,901
Control (C) AND (Education OR management) C: 1,000,000 + P + I + C: 8496
Outcome (O) AND (Hygiene OR morbidity) AND (Associated factors) O: 627,667
P + I + C + O: 2863
Timing (T) AND (01/07/2011 to 01/07/2021 T: 1235
Setting (S) AND (India) S: 1,000,000 + P + I + C + O + T + S: 238