From: Anxiety and depression are risk factors for recurrent pregnancy loss: a nested case–control study
The interaction effect of psychological anxiety and distress | No depression | Mild depression | Moderate depression | Severe depression | P for trend | Total ORa (95% CI) | ||||
---|---|---|---|---|---|---|---|---|---|---|
Case/controls | ORa (95% CI) | Case/controls | ORa (95% CI) | Case/controls | ORa (95% CI) | Case/controls | ORa (95% CI) | |||
Anxiety | ||||||||||
Normal | 464/703 | 1.00 | 213/299 | 1.16 (0.93–1.46) | 121/135 | 1.46 (1.08–1.91) | 9/11 | 1.81 (1.04–3.32) | – | 1.00 |
Mild | 85/86 | 1.49 (1.06–2.11) | 85/80 | 1.46 (0.99–2.13) | 42/33 | 1.41 (0.82–2.43) | 7/2 | 2.77 (1.07–44.14) | < 0.001 | 1.57 (1.26–1.97) |
Moderate | 27/33 | 1.32 (1.09–2.30) | 36/14 | 2.48 (1.22–5.02) | 14/9 | 1.50 (0.59–3.79) | 3/0 | – | < 0.05 | 1.73 (1.19–2.54) |
Severe | 6/15 | 3.25 (1.21–8.12) | 8/2 | 4.23 (1.01–22.21) | 9/2 | 4.34 (1.03–21.28) | 3/2 | 5.95 (1.09–45.09) | < 0.05 | 1.36 (0.72–2.59) |
P for trend | 0.40 | < 0.001 | < 0.001 | < 0.001 | < 0.05 | < 0.001 | < 0.001 | |||
Total ORa (95% CI) | 1.00 | 1.31 (1.08–1.58) | 1.57 (1.22–2.00) | 2.23 (1.11–4.49) | < 0.05 |