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Table 1 Study variables and data collection questionnaires to be used in the study

From: Effectiveness of a new approach for exclusive breastfeeding counselling on breastfeeding prevalence, infant growth velocity and postpartum weight loss in overweight or obese women: protocol for a randomized controlled trial

Time-pointQuestionnaire or assessmentDescription
Last month of gestationGeneral informationName, address, phone number, maternal ID, maternal date of birth, health social scheme.
Maternal socioeconomic and demographic informationMarital status, socioeconomic level, type of housing, maternal occupation, monthly income, educational level, maternal leave, income assigned to food purchase, access to tap water, person in charge to infant, breastfeeding family support.
Pregnancy informationMaternal smoking, obstetric background, gestational age, probable date of birth, supplement and vitamins intakes, laboratory reports, medical history.
Paternal informationEducational level, monthly income, weight and height (self-reported), medical history.
Intention to breastfeedFive questions about intention to breastfeed or give formula until 6 months postpartum.
Maternal anthropometryPregestational weight (self-reported), weight, height and MUAC measurements.
Breast examinationNipple and breast self-perception.
Counselling assessmentDetected problems and concerted solutions.
IPAQ SVPhysical activity registry: type of activity, time (minutes per day), number of days per week.
EPDSTen questions to evaluate maternal emotional status.
Maternal 24-h dietary recallFive steps 24HR: fast list, frequently forgotten foods, meals and time, food consumption in the last 24 h within detailed registry and standardized recipes.
Semi-quantitative food frequency intakeDiary, weekly or monthly intake of 107 foods included in 8 food groups.
24 h postpartumMaternal anthropometry
Information about delivery and newborn
Weight and MUAC.
Gender, date of birth, type of delivery, complications, gestational birth age, APGAR at 5 min, time of birth.
Newborn anthropometryBirth weight, length, head circumference, MUAC.
Breastfeeding informationTime of skin to skin contact, duration of skin to skin contact, breastfeeding during the first hour after delivery, breastfeeding difficulties.
Infant 24-h recallTime, place, infant feeding in the last 24 h (including breastfeeding, infant formula or other type of foods given to the baby).
Breast milk intakeNumber of breastfeeds per day and night, time per each breastfeed, appetite (mother’s perception).
Breast latchingObservation of latching, swallowing, type of nipple, maternal comfort perception and breastfeeding position.
Counselling registry at 24 h, 3th day, 7th day and 14th dayDetected problems and agreed solutions, success of breastfeeding counselling regarding the last meeting’s concerted solutions.
1 month postpartumMaternal anthropometryWeight and MUAC.
Infant anthropometryWeight, length, head circumference, MUAC.
Counselling registryDetected problems and concerted solutions, success of breastfeeding counselling regarding the last meeting’s concerted solutions.
IPAQ SVPhysical activity registry: type of activity, time (minutes per day), number of days per week.
EPDSTen questions to evaluate maternal emotional status.
Maternal 24-h recallFive steps 24HR: fast list, frequently forgotten foods, meals and time, food consumption in the last 24 h within detailed registry and standardized recipes.
Semi-quantitative food frequency intakeDiary, weekly or monthly intake of 107 foods, included in 8 food groups.
Infant 24-h recallTime, place, infant feeding in the last 24 h (including breastfeeding, infant formula or other type of foods given to the baby).
Breast milk intakeNumber of breastfeeds per day and night, time per each breastfeeds, appetite (mother’s perception).
 Breast milk macronutrient contentProtein, lactose and fat content in human milk
 Prolactin in maternal serumConcentration of prolactin hormone in maternal serum, 2 h after maternal wake up
3 months postpartumMaternal anthropometryWeight and MUAC.
Infant anthropometryWeight, length, head circumference, MUAC.
Breast examinationNipple and breast observation.
Counselling registryDetected problems and concerted solutions, applicability of last meeting’s concerted solution
Infant 24-h recallTime, place, type of food.
Breast milk intakeNumber of breastfeeds per day and night, time per each breastfeed, appetite (mother’s perception).
 Macronutrients content in breast milkProtein, lactose and fat content in human milk.
 Prolactin in maternal serumConcentration of prolactin hormone in maternal serum, 2 h after maternal wake up.
4 months postpartumMaternal anthropometryWeight and MUAC.
Infant anthropometryWeight, length, head circumference, MUAC.
Breast examinationNipple and breast observation.
Assessment of breastfeeding counsellingSuccessful of new approach in EBF counselling with 5 questions to assess concerted solutions.
IPAQ SVPhysical activity registry: type of activity, time (minutes per day), number of days per week.
Maternal 24-h recallFive steps 24HR: fast list, frequently forgotten foods, meals and time, food consumption in the last 24 h within detailed registry and standardized recipes.
Semi-quantitative food frequency intakeDiary, weekly or monthly intake of 107 foods, included in 8 food groups.
Infant 24-h recallTime, place, infant feeding in the last 24 h (including breastfeeding, infant formula or other type of foods given to the baby).
Breast milk intakeNumber of breastfeeds per day and night, time per each breastfeed, appetite (mother’s perception).