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Background <p>Increased frequency of fetal health assessment methods and uncertainties about their results cause high-risk pregnant women to experience increased stress and anxiety. This study aims to determine the effect of light color temperature on stress, anxiety and psychological well-being in high-risk pregnant women undergoing a non-stress test (NST).</p> Methods <p>This randomized controlled experimental study included 100 high-risk pregnant women. The trial protocol was registered (Clinical trial number: NCT06736873, date: 12/05/2024). Data were collected through the Personal Information Form, the Psychological Well-Being Scale (PWBS), the State-Trait Anxiety Inventory (STAI), and the Perceived Stress Scale (PSS). The high-risk pregnant women in the intervention group underwent the non-stress test after the light color temperature was adjusted to medium-warm white.</p> Results <p>Significant improvements were observed between the intervention group’s PSS pre-test (32.16 ± 5.75) and post-test (27.12 ± 6.65), PWBS pre-test (26.78 ± 2.13) and post-test (28.46 ± 3.11), and STAI pre-test (58.62 ± 1.30) and post-test (51.60 ± 3.11) mean scores (<i>p</i> &lt; 0.05). As to the control group, while the differences between the STAI pre-test (58.46 ± 1.24) and post-test (58.54 ± 1.41) and PWBS pre-test (26.96 ± 2.45) and post-test (26.84 ± 2.41) mean scores were significant (<i>p</i> &lt; 0.05), the difference between the PSS pre-test (30.98 ± 5.75) and post-test (30.88 ± 5.75) mean scores was not significant (<i>p</i> &gt; 0.05).</p> Conclusions <p>This study indicates that in the intervention group, the use of light color temperature during the NST reduced stress and anxiety levels and enhanced psychological well-being levels in high-risk pregnant women. While the pre-post differences in the control group were not significant for the Perceived Stress Scale, they were significant for Psychological Well-Being and Anxiety, albeit with a minimal or unfavorable magnitude of change.</p> Clinical trial number <p>NCT06736873 (Date: 12/05/2024).</p>

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Light color temperature on stress, anxiety and well-being in high-risk pregnant women during the non-stress test: a randomized controlled trial

  • 期刊论文

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  • 发表日期：

    2026年2月24日

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  • Emine Yıldırım,
  • Filiz Polat

摘要

Background

Increased frequency of fetal health assessment methods and uncertainties about their results cause high-risk pregnant women to experience increased stress and anxiety. This study aims to determine the effect of light color temperature on stress, anxiety and psychological well-being in high-risk pregnant women undergoing a non-stress test (NST).

Methods

This randomized controlled experimental study included 100 high-risk pregnant women. The trial protocol was registered (Clinical trial number: NCT06736873, date: 12/05/2024). Data were collected through the Personal Information Form, the Psychological Well-Being Scale (PWBS), the State-Trait Anxiety Inventory (STAI), and the Perceived Stress Scale (PSS). The high-risk pregnant women in the intervention group underwent the non-stress test after the light color temperature was adjusted to medium-warm white.

Results

Significant improvements were observed between the intervention group’s PSS pre-test (32.16 ± 5.75) and post-test (27.12 ± 6.65), PWBS pre-test (26.78 ± 2.13) and post-test (28.46 ± 3.11), and STAI pre-test (58.62 ± 1.30) and post-test (51.60 ± 3.11) mean scores (p < 0.05). As to the control group, while the differences between the STAI pre-test (58.46 ± 1.24) and post-test (58.54 ± 1.41) and PWBS pre-test (26.96 ± 2.45) and post-test (26.84 ± 2.41) mean scores were significant (p < 0.05), the difference between the PSS pre-test (30.98 ± 5.75) and post-test (30.88 ± 5.75) mean scores was not significant (p > 0.05).

Conclusions

This study indicates that in the intervention group, the use of light color temperature during the NST reduced stress and anxiety levels and enhanced psychological well-being levels in high-risk pregnant women. While the pre-post differences in the control group were not significant for the Perceived Stress Scale, they were significant for Psychological Well-Being and Anxiety, albeit with a minimal or unfavorable magnitude of change.

Clinical trial number

NCT06736873 (Date: 12/05/2024).