README
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Dataset title:
Exploring the effect of menstrual loss and dietary habits on iron deficiency in teenagers: a cross-sectional study

Creators:
Lisa Söderman, Anna Stubbendorff, Linnea V Ladfors, Beata Borgström Bolmsjö, Peter Nymberg, Moa Wolff

Responsible organization:
Lund University, Sweden

See the Researchdata.se catalogue entry for this dataset for complete metadata, including the dataset description, recommended citation, contact information, and information about how to obtain the dataset. 

Description: The data reflects dietary habits and bleeding patterns using the SAMANTA questionnaire, as well as Hemoglobin and Ferritin.

License: No

Access restrictions: This dataset contains personal data and is subject to legal protection. This dataset can be requested from the Researchdata.se research data catalog.

Essential information for dataset reuse.
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Excel file

Dataset organization
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A simple dataset.

Datafile descriptions
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Variable Values		
Value		Label
Hormonal_tx		0	No
			1	Yes
SAMANTA_3_or_more	0	No HMB
		1	HMB
Ferritin_less_than_15	0	≥15
			1	<15
Ferritin_less_than_30ng	0	Ferritin≥30
			1	Ferritin <30
Rural	0	In a city like Malmo, Lund, Landskrona, Trelleborg
	1	In a smaller town like Staffanstorp, Lomma
	2	In a rural area on the countryside
School	0	Spyken
	1	Latin
High_school_branch	1	Arts (music, theather, form)
			2	Humanities
			3	Natural sciences
			4	Social Sciences
High_school_branch_3	1	Arts (music, theather, form)
			2	Humanities or Social Sciences
			3	Natural sciences
BMI_cat_fewer	0	<18,5
	1	18,5-24
	2	25+
	3.00a	Unknown
IBD	0	No
	1	Yes
REUMA	0	No
	1	Yes
Antibiotics_treatment	0	No
			1	Yes
Pregnant	0	No
		1	Yes
Smoking	0	No
	1	Yes, sporadically
	2	Yes, daily
Snuff	0	No
	1	Yes, sporadically
	2	Yes, daily
Iron_overload	0	Ferritin 150 higher
		1	Ferritin below 150
Anemia	0	Hb above 110/117
	1	Hb below 110/117
Iron_deficient_RS	0	Ferritin above 7/10
			1	Ferritin below 7/10
Iron_deficient_WHO	0	Ferritin above 15
			1	Ferritin below 15
Menarche	0	No
		1	Yes
Bleeding_with_contraceptives	0	No
	1	Less than 4 times per year
	2	Once every 3 months
	3	Once every second month
	4	Once per month
	5	More than once per month
Contraceptives	0	No
	1	birth control pills
	2	mini pills
	3	etonogestrel contraceptive implant
	4	Hormonal IUD
	5	Other
SAMANTA questions		
Prolonged_bleeding	0	No
			1	Yes
Heavy_bleeding	0	No
		1	Yes
Uncomfortable_bleeding	0	No
			1	Yes
Stains_clothes_sheet	0	No
			1	Yes
Worry_stains_clothes_sheet	0	No
				1	Yes
Avoiding_activites	0	No
			1	Yes
HMB_inc_missing	0	No HMB
		1	HMB
Food_last_year_no_meat	1	Omnivore
	2	No red meat
	3	Pescetarian
	4	Vegan/Vegetarian
Multivitamins	0	No
		1	Yes
Multivitamin_containing_iron	0	No
	1	Yes
	2	I dont know
Iron_supplement	0	No
	1	Yes
Confirmed_iron_supplement	0	No
				1	Yes
KIDSC_general_health	1	Poor
	2	Fair
	3	Good
	4	Very good
	5	Excellent
FerritinCAT	1	30 or higher ferritin
	2	15-29 ferritin
	3	<15 ferritin
Meat_YesNo	0	No
	1	Yes
Anemia_Hb_less_than110gperL	0	≥110
	1	<110
Multivit_only_no_iron	0	No
	1	Yes
Vitamin_and_or_iron	0	No iron, no vitamin
	1	Iron suppl (with or without vitamin)
	2	Multivitamin only
WHO_anemia_below120	0	No
	1	Yes
BMI_cat__for_logreg	0	18.5-24
	1	<18.5
	2	>24
Menarche_CAT	0	12 or 13
	1	11 or younger
	2	14 or older
Dietary_restriction	0	No
	1	Yes
Omnivore	0	Meat-restricted diet
	1	Omnivore
General_health	1	Poor
	2	Fair
	3	Good
	4	Very good
	5	Excellent
Any_level_of_smoking	0	No smoking
	1	Sporadically or daily
Menstruation_and_diet	1	No HMB, omnivore
	2	HMB, meat-restricted diet
	3	HMB, omnivore
	4	No HMB, meat-restricted diet
No_weight	0	Weighed
	1	No available weight

									
Reference information
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Abbreviations:
HMB - heavy menstrual bleeding
SAMANTA - a six question questionnaire for heavy menstrual bleeding. Tquestions a weighted.

Data sources:
Original data


