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Table 1 Data collection: source of information and variables concerning

From: Care-related factors associated with antepartal diagnosis of intrauterine growth restriction: a case–control study

Data source

Field

Variables concerning

Computer-assisted personal Interview (CAPI)

General information

Age*, Weight*, lengths*

CAPI; pregnancy record book

Pregnancy and maternal medical conditions

Weight gain during pregnancy, diseases and infections during pregnancy**, number, time and reason for any hospitalization during pregnancy

CAPI

Tobacco, coffee and substance consumption

Smoking habits*, alcohol intake*, drug intake, coffee consumption

CAPI; pregnancy record book

Use of antenatal care

Number and time of antenatal care visits, Number and time of routine ultrasonography, further examinations during pregnancy (specialists), parity (live/stillbirth, miscarriages, etc.), type of medical institution

Pregnancy record book; newborn documentation sheet

Newborn child

Date of birth, sex, gestational age at birth, birth weight, birth lengths, head circumference, APGAR score, mode of delivery, IUGR/SGA diagnosis, number of siblings, birth order, diseases or birth defects of newborn (e.g. trisomy 21, congenital malformations)

CAPI

Socio-demographic and economic information

Marital status, migrant background, family size, school and professional education, occupation, family income

Self-administered questionnaire (physician survey)

Further care-related factors

Quality of ultrasonography equipment, examiner’s ultrasonography experience and qualification level, decision-making process, certificate for ultrasonography, prenatal health information on IUGR

  1. *Information on both mother and father.
  2. **Confirmed by a doctor.