| Model 1 | Model 2 | Model 3 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | OR | 95% - CI lower - upper | p | OR | 95% - CI lower - upper | p | OR | 95% - CI lower - upper | p | |||
Intercept | 0.289 | Â | Â | <0.001 | 1.251 | Â | Â | 0.516 | 1.318 | Â | Â | 0.480 |
Age | 0.912 | 0.851 | 0.977 | 0.009 | 0.980 | 0.913 | 1.053 | 0.590 | 0.983 | 0.910 | 1.062 | 0.658 |
Multiparous | 0.833 | 0.451 | 1.539 | 0.560 | 0.887 | 0.480 | 1.640 | 0.703 | 0.735 | 0.376 | 1.437 | 0.368 |
Expected pain intensity | 1.006 | 0.989 | 1.024 | 0.477 | 0.998 | 0.981 | 1.014 | 0.786 | 1.000 | 0.981 | 1.020 | 0.974 |
Highly educated | 1.647 | 0.924 | 2.933 | 0.090 | 0.870 | 0.474 | 1.597 | 0.653 | 0.834 | 0.423 | 1.642 | 0.599 |
Length of labour | 1.115 | 1.065 | 1.167 | <0.001 | 1.123 | 1.073 | 1.176 | <0.001 | 1.129 | 1.074 | 1.188 | <0.001 |
Pain acceptance (a) | 0.439 | 0.305 | 0.634 | <0.001 | - | - | - | - | 0.435 | 0.292 | 0.647 | <0.001 |
Personal control in pain relief (b) | 0.991 | 0.834 | 1.117 | 0.915 | - | - | - | - | 0.721 | 0.583 | 0.892 | 0.003 |
(a)*(b) | 0.613 | 0.485 | 0.776 | <0.001 | - | - | - | - | 0.602 | 0.468 | 0.775 | <0.001 |
Country (NL = 1, BE = 0) | - | - | - | - | 0.134 | 0.071 | 0.252 | <0.001 | 0.085 | 0.038 | 0.190 | <0.001 |