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Objectives <p>To compare health state preferences elicited using composite time trade-off (cTTO) and discrete choice experiment with duration (DCE<sub>TTO</sub>) between urban and rural respondents.</p> Methods <p>Respondents from the general population were recruited in urban and rural areas across China. Responses of 8 cTTO tasks and 10 DCE<sub>TTO</sub> tasks for valuing SF-6Dv2 health states and socio-demographic characteristics were collected through face-to-face interviews. Random-effects regression was used to evaluate the effect of residence area on the cTTO values after adjusting for socio-demographic characteristics. The utility value sets developed based on the urban and rural data for cTTO and DCE<sub>TTO</sub> were compared using mean absolute difference (MAD).</p> Results <p>Of 3,320 respondents (50.3% male, age range 18–90&#xa0;years) included, 1,980 (59.6%) resided in urban areas. The mean cTTO value was significantly different between urban and rural respondents across all 295 evaluated states, with the mean (SD) difference of 0.014 (0.119) (range: -0.283 to 0.375). After adjustment, urban respondents assigned significantly higher cTTO values (Coef. = 0.021, p = 0.034). In cTTO value set, the MAD between urban and rural was 0.0276 for states with mean value &gt; 0.5, 0.0327 for states with mean value 0–0.5, and 0.0300 for those states with negative values. For DCE<sub>TTO</sub> value set, the MAD was 0.0359 for states with mean value &gt; 0.5, 0.0409 for states with mean value 0–0.5, and 0.0686 for those states with negative values.</p> Conclusion <p>Rural respondents tended to assign a lower utility value than urban respondents when evaluating the same state, reflecting an observable urban–rural preference gap.</p>

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Are there differences in health state preferences between urban and rural respondents? a comparison using time trade-off and discrete choice experiment

  • 期刊论文

  • 发表日期：

    2025年11月5日

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  • Shitong Xie,
  • Jing Wu,
  • Feng Xie

摘要

Objectives

To compare health state preferences elicited using composite time trade-off (cTTO) and discrete choice experiment with duration (DCETTO) between urban and rural respondents.

Methods

Respondents from the general population were recruited in urban and rural areas across China. Responses of 8 cTTO tasks and 10 DCETTO tasks for valuing SF-6Dv2 health states and socio-demographic characteristics were collected through face-to-face interviews. Random-effects regression was used to evaluate the effect of residence area on the cTTO values after adjusting for socio-demographic characteristics. The utility value sets developed based on the urban and rural data for cTTO and DCETTO were compared using mean absolute difference (MAD).

Results

Of 3,320 respondents (50.3% male, age range 18–90 years) included, 1,980 (59.6%) resided in urban areas. The mean cTTO value was significantly different between urban and rural respondents across all 295 evaluated states, with the mean (SD) difference of 0.014 (0.119) (range: -0.283 to 0.375). After adjustment, urban respondents assigned significantly higher cTTO values (Coef. = 0.021, p = 0.034). In cTTO value set, the MAD between urban and rural was 0.0276 for states with mean value > 0.5, 0.0327 for states with mean value 0–0.5, and 0.0300 for those states with negative values. For DCETTO value set, the MAD was 0.0359 for states with mean value > 0.5, 0.0409 for states with mean value 0–0.5, and 0.0686 for those states with negative values.

Conclusion

Rural respondents tended to assign a lower utility value than urban respondents when evaluating the same state, reflecting an observable urban–rural preference gap.