What question did this study set out to answer?

The research aims to examine dietary quality, fasting duration, and barriers to healthy eating among nurses engaged in different work shifts.

January 22, 2026

SHIFT-Working Investigation of Fasting and Timing (SHIFT) of Diet: A Cross-Sectional Assessment of Nurses’ Dietary Quality, Fasting Duration, and Feasibility of Completing a 7-Day Diet Log

Key Points

The research aims to examine dietary quality, fasting duration, and barriers to healthy eating among nurses engaged in different work shifts.
Conducted a cross-sectional study among 123 nurses in the U.S.
Meal tracking for up to 7 days using ASA24 to calculate dietary scores.
Gathered self-reported data on demographics and psychosocial measures.
Applied multiple linear regression analyses to compare day and shift workers.
Seventy-five percent of nurses expressed interest in time-restricted feeding (TRF).
The average fasting duration was 11.9 hours, indicating limited fasting.
Diet quality scores were poor, with an average E-DII score of -0.05 and HEI score of 54.0.
Night/rotating shift nurses had better diet quality with a lower E-DII score of 0.19 compared to 1.21 for day shift (p = 0.04).

Abstract

Nurses experience some barriers to healthy eating and weight loss that are different than the general population. This study examined diet timing and quality, and interest in time-restricted feeding (TRF), and compared diet quality between day and shift-working nurses. The cross-sectional SHift-working Investigation of Fasting Time and Diet Study was conducted among nurses (n = 123) in the United States. Diet was tracked for up to 7 days using the ASA24 to determine Energy-density Dietary Inflammatory Index (E-DIITM) scores, Heathy Eating Index (HEI), and fasting duration. Self-reported demographics, psychosocial measures (e.g. stress and depression), and TRF anticipated barriers and facilitators were obtained. Multiple linear regression analyses were conducted to compare night/rotating and dayshift. The primarily white (86%) and female (95%) participants had a mean age and body mass index (BMI) of 34.1 ± 10.0 years and 27.3 ± 5.6 kg/m2, respectively. Most participants (75%) expressed interest in TRF. Fasting duration was short (mean hours = 11.9), and diet quality poor (mean: E-DII score = −0.05; HEI score = 54.0). Night/rotating shift had more anti-inflammatory diets compared to dayshift (mean E-DII: night/rotating = 0.19 vs dayshift = 1.21; p = 0.04). Nurses have challenging barriers to improving weight. Since most nurses indicated interest in a TRF intervention, TRF may hold potential as a key dietary approach for nurses.

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Cite This Study

Farrell et al. (Wed,) studied this question.

synapsesocial.com/papers/6971be8d642b1836717e3397 https://doi.org/https://doi.org/10.1080/07420528.2025.2525463">https://doi.org/10.1080/07420528.2025.2525463</a></p

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