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Table 1 Mean STAI of the total group and mean STAI of the group that filled in both STAI-1 and STAI-2; decrease in anxiety score from STAI-1 to STAI-2 relative to background characteristics.

From: GP-initiated preconception counselling in a randomised controlled trial does not induce anxiety

  Total group STAI-1 Group that completed the STAI both prior and post PCC
  n * STAI n * STAI-1 (prior) STAI-2 (post) Reduction in STAI score 95% CI
Total 466 36.4 223 36.4 32.8 3.6 [2.4–4.8]
Age groups        
   18–25 67 36.9 31 36.9 33.9 3.0 [-0.6–6.7]
   26–30 197 35.4 92 36.5 32.4 4.1 [2.0–6.1]
   31–35 145 37.1 69 36.5 33.3 3.2 [1.2–5.2]
   >36 43 37.4 27 36.0 31.7 4.3 [1.6–7.0]
Education        
   University/College 187 35.7 ‡ 100 35.5 31.5 4.0 [2.2–5.9]
   Intermediate secondary 206 35.9 89 35.5 33.3 2.3 [0.6–4.0]
   Basic secondary or less 70 39.2 32 41.1 35.8 5.3 [1.5–9.1]
Country of origin        
   The Netherlands 433 36.0 § 210 36.0 32.6 3.4 [2.1–4.6]
   Other 32 41.0 13 44.1 36.4 7.7 [1.5–13.9]
Previous pregnancy        
   No 310 35.6¶ 153 35.6 32.4 3.2 [1.9–4.5]
   Yes 155 38.0 70 38.2 33.7 4.5 [2.0–7.1]
No adverse outcome 91 36.7 35 36.0 31.2 4.8 [0.5–9.0]
Adverse outcome† 64 39.8 35 40.4 36.1 4.3 [1.2–7.4]
  1. * Numbers may differ due to non-response. † Miscarriages, stillbirth or premature birth. Test for trend ‡ p-value = 0.04, ANOVA for dichotomous variables § p-value = 0.008, ¶ p-value = 0.02.