Impact of a 6-Month Micronutrient-Dense Plant-Rich Nutrition Intervention on Health and Well-Being at the Worksite

Jay T. Sutliffe, Julia C. Gardner, Michelle M. Gorman, Mary Jo Carnot, Wendy S. Wetzel, Tricia Fortin, Chloe A. Sutliffe, Alison Adams

Research output: Contribution to journalArticle

Abstract

This nonrandomized pilot study utilized the health belief model and the theory of planned behavior to assess the effectiveness of perceived behavioral control to determine the impact of a micronutrient-dense plant-rich (mNDPR) dietary intervention on employee health and wellness at the worksite. Seventy-one employees and/or spouses (≥18 years) who met the inclusion criteria were recruited from a regional medical center and a local university. Participants were provided more than 14 hours of in-person lecture combined with take-home materials, and electronic resources to support participants in their transition and adherence to the dietary plan. The study consisted of a 6-hour introductory session followed by weekly 1-hour meetings for 7 consecutive weeks and then monthly 1-hour meetings, for 4 consecutive months over the span of 6 months. Retention of participants was approximately 55 percent. Participants were assessed for measures of weight, waist circumference, and blood pressure; physiological measures of blood cholesterol, triglycerides, blood glucose, and hemoglobin A1c; and well-being measures of gastroesophageal reflux disease, depression, sleep, pain, and worksite productivity, pre-, mid-, and post-intervention. A significant reduction was seen in weight (F(2, 78) = 19.81, p<0.001) with a mean reduction of 6.65 lb., waist circumference (F(2, 72) = 40.914, p<0.001) with a mean reduction of 2.8 inches, total cholesterol (F(2, 70) = 19.09, p<0.001) with a mean reduction of 17.81 mg/dL, HDL (F(2, 70) = 4.005, p=0.023) with a mean reduction of 3.61 mg/dL, LDL (F(2, 56) = 10.087, p<0.001) with a mean reduction of 13.1 mg/dL, blood glucose (F(2, 70) = 6.995, p=0.002) with a mean reduction of 3.7 mg/dL, hemoglobin A1c (paired samples t (39) = 2.689, p=0.01) with a mean reduction of 0.118%, GERD (F(2, 72) = 7.940, p=0.001, MSE = 4.225) with a mean reduction of 1.4, depressive symptoms as measured by the PHQ 9 (F(2, 72) = 10.062, p<0.001, MSE = 5.174) with a mean reduction of 2.0, and an improvement in sleep quality was seen as measured by the PSQI (F(2, 74) = 11.047, p<0.001, MSE = 2.269) with a mean improvement of 1.3. In most cases, improvement occurred across the first two time periods and then leveled off. Blood pressure, triglycerides, pain measurements, and WPAI did not change over time. Effect sizes for significant pairwise comparisons indicated medium to large effects of practical significance. This intervention was therefore effective at improving employee health and well-being. Widespread worksite implementation should be considered to improve the overall wellness of employees.

Original languageEnglish (US)
Article number2609516
JournalJournal of Nutrition and Metabolism
Volume2019
DOIs
StatePublished - Jan 1 2019

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nutritional intervention
Micronutrients
Workplace
human resources
Waist Circumference
Occupational Health
Gastroesophageal Reflux
glycohemoglobin
Blood Glucose
waist circumference
Health
Sleep
Hemoglobins
Triglycerides
sleep
Cholesterol
HDL2 Lipoprotein
Depression
blood glucose
Blood Pressure

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Food Science
  • Nutrition and Dietetics

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Impact of a 6-Month Micronutrient-Dense Plant-Rich Nutrition Intervention on Health and Well-Being at the Worksite. / Sutliffe, Jay T.; Gardner, Julia C.; Gorman, Michelle M.; Carnot, Mary Jo; Wetzel, Wendy S.; Fortin, Tricia; Sutliffe, Chloe A.; Adams, Alison.

In: Journal of Nutrition and Metabolism, Vol. 2019, 2609516, 01.01.2019.

Research output: Contribution to journalArticle

Sutliffe, Jay T. ; Gardner, Julia C. ; Gorman, Michelle M. ; Carnot, Mary Jo ; Wetzel, Wendy S. ; Fortin, Tricia ; Sutliffe, Chloe A. ; Adams, Alison. / Impact of a 6-Month Micronutrient-Dense Plant-Rich Nutrition Intervention on Health and Well-Being at the Worksite. In: Journal of Nutrition and Metabolism. 2019 ; Vol. 2019.
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AB - This nonrandomized pilot study utilized the health belief model and the theory of planned behavior to assess the effectiveness of perceived behavioral control to determine the impact of a micronutrient-dense plant-rich (mNDPR) dietary intervention on employee health and wellness at the worksite. Seventy-one employees and/or spouses (≥18 years) who met the inclusion criteria were recruited from a regional medical center and a local university. Participants were provided more than 14 hours of in-person lecture combined with take-home materials, and electronic resources to support participants in their transition and adherence to the dietary plan. The study consisted of a 6-hour introductory session followed by weekly 1-hour meetings for 7 consecutive weeks and then monthly 1-hour meetings, for 4 consecutive months over the span of 6 months. Retention of participants was approximately 55 percent. Participants were assessed for measures of weight, waist circumference, and blood pressure; physiological measures of blood cholesterol, triglycerides, blood glucose, and hemoglobin A1c; and well-being measures of gastroesophageal reflux disease, depression, sleep, pain, and worksite productivity, pre-, mid-, and post-intervention. A significant reduction was seen in weight (F(2, 78) = 19.81, p<0.001) with a mean reduction of 6.65 lb., waist circumference (F(2, 72) = 40.914, p<0.001) with a mean reduction of 2.8 inches, total cholesterol (F(2, 70) = 19.09, p<0.001) with a mean reduction of 17.81 mg/dL, HDL (F(2, 70) = 4.005, p=0.023) with a mean reduction of 3.61 mg/dL, LDL (F(2, 56) = 10.087, p<0.001) with a mean reduction of 13.1 mg/dL, blood glucose (F(2, 70) = 6.995, p=0.002) with a mean reduction of 3.7 mg/dL, hemoglobin A1c (paired samples t (39) = 2.689, p=0.01) with a mean reduction of 0.118%, GERD (F(2, 72) = 7.940, p=0.001, MSE = 4.225) with a mean reduction of 1.4, depressive symptoms as measured by the PHQ 9 (F(2, 72) = 10.062, p<0.001, MSE = 5.174) with a mean reduction of 2.0, and an improvement in sleep quality was seen as measured by the PSQI (F(2, 74) = 11.047, p<0.001, MSE = 2.269) with a mean improvement of 1.3. In most cases, improvement occurred across the first two time periods and then leveled off. Blood pressure, triglycerides, pain measurements, and WPAI did not change over time. Effect sizes for significant pairwise comparisons indicated medium to large effects of practical significance. This intervention was therefore effective at improving employee health and well-being. Widespread worksite implementation should be considered to improve the overall wellness of employees.

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