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Table 3 Unadjusted and adjusted fecundability ratios (FR) of the association between occupation and TTP

From: Increased time-to-pregnancy is associated with domestic work in South Africa

Occupational group Unadjusted fecundability ratio (95 % CI) Adjusted fecundability ratiob (95 % CI)
Administrative workers 1 1
Teachers 1.08 (0.74–1.57) 1.14 (0.75–1.72)
Domestic workers 0.46 (0.29–0.72)a 0.53 (0.32–0.88)a
  1. aSignificant at 0.001
  2. bAdjusted for maternal age, race, gravidity, smoking, presence of a chronic disease and coital frequency