CaliforniaHealth Interview Survey (2005-2015) data were used to examine the association between dietaryintake frequencies and mentalhealth - Kessler-6 scores categorised as no/low (NLPD), moderate (MPD) or serious psychological distress (SPD).
The 245,891 surveys represented 27.7 million adults annually, with 13.2% having MPD and 3.7% SPD. Survey-adjusted regression adjusting for gender, age, race, education, poverty, marital status, BMI, geography and year found MPD and SPD associated with lower consumption of fruits (adjusted odds ratio 0.79 and 0.65, respectively), vegetables (AOR 0.81 and 0.68), and increased consumption of French fries (AOR 1.24, 1.30), fast food (AOR 1.32, 1.27), soda (AOR 1.23, 1.26) and variance-adjusted daily teaspoons of sugar (coefficients 3.05, 4.21), all p-values less than 0.001. In this large population-based sample, moderate and SPD were independently associated with unhealthy diet.
Targeted public health interventions could focus on young adults and those with less than 12 years of education.
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