| the Netherlands | Belgium | ||||||
---|---|---|---|---|---|---|---|---|
 | OR | 95% - CI lower - upper | p | OR | 95% - CI lower - upper | p | ||
Intercept | 0.105 | Â | Â | <0.001 | 1.255 | Â | Â | 0.665 |
Age | 0.987 | 0.884 | 1.102 | 0.819 | 0.982 | 0.878 | 1.099 | 0.752 |
Multiparous | 0.756 | 0.272 | 2.100 | 0.592 | 0.680 | 0.262 | 1.766 | 0.428 |
Expected pain intensity | 1.012 | 0.979 | 1.046 | 0.493 | 0.995 | 0.969 | 1.022 | 0.725 |
Highly educated | 1.019 | 0.371 | 2.797 | 0.971 | 0.705 | 0.264 | 1.883 | 0.486 |
Length of labour | 1.088 | 1.019 | 1.163 | 0.012 | 1.181 | 1.089 | 1.281 | <0.001 |
Pain acceptance (a) | 0.792 | 0.356 | 1.763 | 0.568 | 0.260 | 0.138 | 0.487 | <0.001 |
Personal control in pain relief (b) | 0.642 | 0.460 | 0.895 | 0.009 | 0.845 | 0.633 | 1.129 | 0.254 |
(a)*(b) | 0.660 | 0.449 | 0.970 | 0.034 | 0.684 | 0.427 | 1.096 | 0.114 |