Skip to main content

Table 1 Characteristics, obstetrical history and type of health care providers among participants at their first contact with the health care service. Percentages (absolute figures within brackets), odds ratio (OR) and 95% confidence intervals (95%CI) for those who chose combined prenatal screening test for foetal anomalies in the Childbirth and Health Study, Iceland

From: Use of pregnancy ultrasound before the 19th week scan: an analytical study based on the Icelandic Childbirth and Health Cohort

  All (Number) % Combined prenatal screening test at week 11–14
% OR 95%CI p-value
Total 1111   78.3 (862/1101)  
Parity at study entry
 Primipara 439 39.5 (439/1110) 82.3 (359/436) 1 Ref.  
 Multipara 671 60.5 (671/1110) 75.6 (503/665) 0.67 0.49–0.90 .009
Education
 Primary (10 years) 123 11.1 (123/1109) 73.0 (89/122) 0.53 0.34–0.83 .006
 Secondary (4 years) 291 26.2 (291/1109) 67.9 (195/287) 0.42 0.30–0.58 .009
 Higher (total > 14 years) 695 62.7 (695/1109) 83.5 (577/691) 1 Ref.  
Age (years)
 18–24 186 16.7 (186/1111) 75.0 (138/184) 0.39 0.23–0.69 .001
 25–34 733 66.0 (733/1111) 76.5 (557/728) 0.43 0.27–0.69 <.001
  > 35 192 17.3 (192/1111) 88.4 (168/190) 1 Ref.  
Region
 Urban 763 68.7 (763/1110) 86.5 (656/758) 1 Ref.  
 Rural 347 31.3 (347/1110) 60.1 (206/343) 0.23 0.17–0.32 <.001
I have tried to become pregnant for more than one year
 Yes 147 13.3 (147/1106) 83.0 (122/147) 1 Ref.  
 No 959 86.7 (959/1106) 77.6 (737/950 0.71 0.45–1.12 .140
Assisted pregnancy such as in vitro fertilization or artificial insemination
 Yes 67 6.1 (67/1106) 85.1 (57/67) 1 Ref.  
 No 1039 93.9 (1039/1106) 77.9 (802/1030) 0.62 0.31–1.23 .168
Type of health care provider as first contact in pregnancy
 Midwife 320 29.1 (320/1110) 71.3 (228/320) 1 Ref.  
 General practitioner 129 11.7 (129/1110) 72.9 (94/129) 1.08 0.69–1.71 .730
 Gynaecologist 609 55.4 (609/1110) 83.3 (507/609) 2.01 1.45–2.77 <.001
 Others 42 3.8 (42/1110) 76.2 (32/429) 1.29 0.61–2.73 .504