HealthyPregnancy - Digital Support for Pregnant Women with a BMI At 25 or Above (BMI≥25)

Weight gain during pregnancy in kilograms

Self-reported weight in kilograms

Mental well-being is measured with the "World Health Organisation Five Well-being Index" (WHO-5). The lowest score of the scale is 0 and the highest total score is 100. Higher scores indicating better mental well-being.

Symptoms of depression are measured with the "Edinburgh Postnatal Depression Scale" (EPDS) will be defined as cutoff score ≥ 13 and a cutoff score ≥ 10. The scale measures the intensity of common depressive symptoms on a 4-point Likert scale (0-3), where 0 indicates absence of depressive symptoms and 3 indicates the highest amount of depressive symptoms. The lowest score of the scale is 0 and the highest total score is 30.

Functional ability is measured with the "12-item General Health Questionnaire" (GHQ-12). The GHQ-12 consists of 12 items, with total scores ranging from 0 to 36, with higher scores indicating higher levels of psychological distress.

Digital health competence is measured with the "eHealth Literacy Questionnaire" (eHLQ), using subscales 1. Using technology to process health information, 3. Ability to actively engage with digital services and 5. Motivated to engage in digital services.

Each subscale is scored individually and no overall eHLQ score is calculated. Subscales consists of 4 to 6 items on a 4-point Likert scale ranging from "strongly disagree" to "strongly agree", and higher scores indicate higher abilities

Maternal sleep quality is measured with the "Pittsburgh Sleep Quality Index" (PSQI). The global score range from 0-21 with higher scores indicating worse sleep quality.

Exercise self-efficacy is measured with the Danish version of the "Pregnancy Exercise Self-Efficacy Scale" (P-ESES-DK). The total score of the scale range from 10 to 50, with higher scores indicating higher self-efficacy.

Physical activity in pregnancy is subjectively measured with the Danish version of the "Pregnancy Physical Activity Questionnaire" (PPAQ-DK).

Diagnosis with gestational diabetes, pregnancy induced hypertension or preeclampsia during pregnancy

Percentage of participants with sick leave, no matter cause. Sick leave will be measured in days

Antenatal contacts measured as number of scheduled and unscheduled visits with obstetric doctors and midwifes

Gestational age at delivery.

Onset of labor will be measured with spontaneous onset of labor or induced labor respectively (n/%).

Use of epidural analgesia will be measured by yes or no (n/%).

Use of oxytocin for augmentation during labor will be measured by yes or no (n/%).

Treatment with antibiotics during labor will be measured by yes or no (n/%).

Mode of delivery will be measured with spontaneous vaginal, instrumental vaginal or Caesarean section respectively (n/%).

Duration of labor will be measured by hours of active labor.

Shoulder dystocia will be measured as yes or no (n/%).

Postpartum hemorrhage is measured as hemorrhage at or above 1000 ml yes or no (n/%).

Birth weight will be measured in kilograms (mean and SD).

Newborn's well-being at time of delivery will be measured by Apgar score (yes or no to an Apgar score ≤ 7 at 5 minutes postpartum) (n/%).

Newborn's well-being at time of delivery will be measured by the pH-value in the cord blood at time of delivery.

Admittance to neonatal intensive care unit in relation to delivery is measured as yes or no (n/%).

Neonatal re-admittance is measured as yes or no to hospital admittance within the first two weeks after initial discharge (mature infants only).

The duration of hospitalization will be measured in days.

Self-reported breastfeeding intention is measured with yes or no (n/%).

Self-reported intended duration of breastfeeding intention is measured in months.

Self-reported duration of full and partial breastfeeding respectively is measured in months.

Postpartum oral glucose tolerance test is measured as yes or no (only women diagnosed with gestational diabetes).

Self-reported blood glucose values during pregnancy are measured in mmol/l (only women diagnosed with gestational diabetes).

Treatment with insulin during pregnancy are measured with yes or no (only women diagnosed with gestational diabetes).

Self-rated diet quality will be measured by percentage of participants in each of five categories of diet quality (very healthy, healthy, somewhat healthy, unhealthy, very unhealthy).

Diet will be measured by self-reported frequency of 20 selected foods and drinks (more than once daily, 5-7 times a week, 3-4 times a week, 1-2 times a week, rarely/never). Exploratory outcome.

Body composition during pregnancy, determined as the ratio of fatty mass to lean mass, are measured with BodPod using a Air Displacement Plethysmography System (only a sub-sample of women recrutied at NOH).

Use of the HealthyPregnancy digital application is measured as the percentages of women within three categories of engagement (low engagement, medium engagement, high engagement). Engagement data is available from the platform Emento in which the HealthyPregnancy digital application is embedded.

Prenatal caregiving expectations are measured with the"Prenatal Caregiving Expectations Questionnaire - Revised version" (PCEQ-R). Percentages of women with helpless-dysregulated, anxious-hyperactivated, and avoidant-deactivated caregiving representations respectively.