| PARAMETERS |
| Variable |
Coefficient |
Confidence interval |
p-value |
|
Alternative-specific constants (ASCs) [Home reference ASC] |
[0] |
|
|
| FMU |
0.461 |
0.129 to 0.792 |
0.006 |
| AMU |
0.682 |
0.322 to 1.043 |
0.000 |
| Labour ward |
0.907 |
0.548 to 1.266 |
0.000 |
|
Reputation [Poor experience] |
[0] |
|
|
| No previous experience |
0.198 |
0.025 to 0.372 |
0.025 |
| Good experience |
0.403 |
0.238 to 0.568 |
0.000 |
|
Continuity of care [Same midwife throughout] |
[0] |
|
|
| One of a team of midwives throughout |
-0.131 |
-0.321 to 0.059 |
0.177 |
| Meet midwife for first time during labour, only look after you |
-0.208 |
-0.377 to -0.039 |
0.016 |
| Meet midwife during labour may look after other women if unit busy |
-0.124 |
-0.281 to 0.032 |
0.119 |
|
Distance from home [0 to 15 minutes] |
[0] |
|
|
| 15 to 30 minutes |
-0.224 |
-0.447 to -0.001 |
0.049 |
| 30 to 60 minutes |
-0.185 |
-0.433 to 0.063 |
0.143 |
| More than 60 minutes |
-0.297 |
-0.542 to -0.052 |
0.018 |
|
Time to see doctor [0–10 minutes] |
[0] |
|
|
| 10–20 minutes |
0.067 |
-0.183 to 0.318 |
0.598 |
| 20–40 minutes |
0.097 |
-0.322 to 0.515 |
0.651 |
| 40–60 minutes |
0.036 |
-0.345 to 0.416 |
0.855 |
| More than 60 minutes |
-0.029 |
-0.408 to 0.349 |
0.880 |
|
Can partner stay overnight [Partner cannot stay overnight] |
[0] |
|
|
| Partner can stay on ward shared by others |
0.428 |
0.223 to 0.633 |
0.000 |
| Partner can stay in room not shared by others |
0.599 |
0.388 to 0.810 |
0.000 |
|
Chance of straightforward birth [50% have straightforward birth] |
[0] |
|
|
| 60% have straightforward birth |
0.138 |
-0.030 to 0.306 |
0.106 |
| 70% have straightforward birth |
0.201 |
0.009 to 0.392 |
0.040 |
|
Safety for baby [Slightly worse than average] |
[0] |
|
|
| Average |
0.744 |
0.577 to 0.911 |
0.000 |
| Slightly better than average |
1.119 |
0.892 to 1.347 |
0.000 |
| STANDARD DEVIATIONS |
| Variable |
Coefficient |
Standard error |
p-value |
|
Alternative-specific constants (ASCs) [Home reference ASC] |
[0] |
|
|
| FMU |
0.452 |
0.169 |
0.000 |
| AMU |
0.004 |
0.184 |
0.844 |
| Labour ward |
0.999 |
0.184 |
0.000 |
|
Reputation [Poor experience] |
[0] |
|
|
| No previous experience |
0.027 |
0.089 |
0.193 |
| Good experience |
0.288 |
0.084 |
0.089 |
|
Continuity of care [Same midwife throughout] |
[0] |
|
|
| One of a team of midwives throughout |
0.339 |
0.097 |
0.051 |
| Meet midwife for first time during labour, only look after you |
0.234 |
0.086 |
0.468 |
| Meet midwife during labour may look after other women if unit busy |
0.030 |
0.080 |
0.502 |
|
Distance from home [0 to 15 minutes] |
[0] |
|
|
| 15 to 30 minutes |
0.008 |
0.114 |
0.910 |
| 30 to 60 minutes |
0.494 |
0.127 |
0.008 |
| More than 60 minutes |
0.722 |
0.125 |
0.000 |
|
Time to see doctor [0–10 minutes] |
[0] |
|
|
| 10–20 minutes |
0.192 |
0.128 |
0.623 |
| 20–40 minutes |
0.074 |
0.214 |
0.455 |
| 40–60 minutes |
0.060 |
0.194 |
0.620 |
| More than 60 minutes |
0.566 |
0.193 |
0.000 |
|
Can partner stay overnight [Partner cannot stay overnight] |
[0] |
|
|
| Partner can stay on ward shared by others |
0.142 |
0.105 |
0.464 |
| Partner can stay in room not shared by others |
0.575 |
0.107 |
0.000 |
|
Chance of straightforward birth [50% have straightforward birth] |
[0] |
|
|
| 60% have straightforward birth |
0.018 |
0.086 |
0.510 |
| 70% have straightforward birth |
0.616 |
0.098 |
0.000 |
|
Safety for baby [Slightly worse than average] |
[0] |
|
|
| Average |
0.036 |
0.085 |
0.485 |
| Slightly better than average |
0.862 |
0.116 |
0.000 |
| GOODNESS OF FIT |
| Number of observations |
7710 |
| Number of choices |
3855 |
| Log likelihood |
-2394 |
