Table 3.
Measures of health utility for different pregnancy contexts.
Measures of Pregnancy Context | Visual Analog Scale (n=95) | PROMIS GSF-derived utility (n=114) | Standard Gamble (n=121) | Time Trade Off (n=120) | ||||
---|---|---|---|---|---|---|---|---|
Mean (SD) | p-Valuea | Mean (SD) | p-Valueb | Mean (SD) | p-Valuea | Mean (SD) | p-Valuea | |
Overall | 0.79 (0.27) | 0.71 (0.10) | 0.996 (0.017) | 0.9997 (0.001) | ||||
Assessment of pre-pregnancy perspectives | ||||||||
Intention | <.001 | .327 | .408 | .046 | ||||
Intended to get pregnant | 0.90 (0.17) | 0.73 (0.10) | 0.994 (0.023) | 0.99999 (0.0003) | ||||
Intentions changing | 0.90 (0.17) | 0.71 (0.12) | 1.000 (0.000) | 0.9995 (0.0016) | ||||
Did not intend to get pregnant | 0.68 (0.30) | 0.70 (0.10) | 0.996 (0.015) | 0.9996 (0.0012) | ||||
Wanted | <.0001 | .012 | .026 | .004 | ||||
Wanted to have a baby | 0.90 (0.18) | 0.74 (0.10) | 0.995 (0.022) | 0.9999 (0.0007) | ||||
Mixed feelings | 0.83 (0.24) | 0.68 (0.10) | 1.000 (0.000) | 0.9997 (0.0013) | ||||
Did not want to have a baby | 0.57 (0.29) | 0.71 (0.10) | 0.992 (0.020) | 0.9994 (0.0014) | ||||
London Measures | .001 | .053 | .005 | .005 | ||||
Planned | 0.91 (0.17) | 0.74 (0.10) | 0.999 (0.008) | 0.9999 (0.0001) | ||||
Ambivalent | 0.79 (0.25) | 0.71 (0.10) | 0.997 (0.018) | 0.9996 (0.0012) | ||||
Unplanned | 0.60 (0.33) | 0.67 (0.10) | 0.989 (0.023) | 0.9993 (0.0015) | ||||
Assessment of post-conception perspectives | ||||||||
Timing | <.0001 | .001 | 0.100 | .004 | ||||
Right time | 0.89 (0.17) | 0.75 (0.09) | 0.996 (0.019) | 0.9999 (0.0006) | ||||
Ok but not quite right | 0.79 (0.26) | 0.68 (0.10) | 0.998 (0.010) | 0.9996 (0.0013) | ||||
Wrong time | 0.57 (0.31) | 0.68 (0.09) | 0.992 (0.021) | 0.9993 (0.0015) | ||||
Desired | <.0001 | .017 | .064 | .002 | ||||
Yes | 0.91 (0.16) | 0.73 (0.09) | 0.997 (0.017) | 0.9998 (0.0008) | ||||
Not sure | 0.63 (0.30) | 0.69 (0.11) | 0.998 (0.010) | 0.9996 (0.0014) | ||||
No | 0.57 (0.30) | 0.67 (0.10) | 0.991 (0.022) | 0.9992 (0.0015) | ||||
Happy | <.0001 | .048 | .019 | .010 | ||||
Happy | 0.88 (0.19) | 0.72 (0.10) | 0.997 (0.016) | 0.9998 (0.0010) | ||||
Neither happy/unhappy | 0.67 (0.25) | 0.69 (0.09) | 0.997 (0.011) | 0.9996 (0.0013) | ||||
Unhappy | 0.28 (0.17) | 0.66 (0.12) | 0.985 (0.028) | 0.9990 (0.0017) |
Missing observations for utility measures: n =28 (VAS); n=9 (GSF-derived utility); n=2 (SG); n=3 (TTO).
Bold text indicates a statistical significance with a p-value of less than 0.05.
Time-trade-off based on 3 months as greatest upper value.
Kruskall-Wallis.
ANOVA.