Skip to main content

Table 4 Reliability of pregnancy outcomes

From: Time-to-pregnancy and pregnancy outcomes in a South African population

Outcome

n

Measure of reliability

No of pregnanciesa

73

0.98 (0.97 - 0.99)

No of live birthsa

73

0.95 (0.92 - 0.97)

No of spontaneous abortionsa

73

0.91 (0.88 - 0.95)

No of still birthsa

73

0.41 (0.21 - 0.60)

No of pregnancy lossesa (spontaneous abortion or stillbirth)

73

0.96 (0.94 - 0.98)

Outcome of most recent pregnancyb

(livebirth, stillbirth, spontaneous abortion, Induced abortion)

63

0.96 (kappa 0.6)**

Outcome of most recent pregnancyb

(preterm, term, delayed)

65

0.98 (kappa 0.9)**

  1. aIntra-class correlation reported for first five measures
  2. bAgreement and weighted kappa reported for outcomes of pregnancy