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

Table 1

Mean and SD anthropometric and physiological measures of variables pre- and post-intervention.

Biometric measurement	Statistical significance	Time point	n	Mean ± SD	CI, 95 %	Parametric	Nonparametric
						Cohen’s d	r	z
Weight (kg)	F(2, 78) = 19.81, , Time 1 different	1-2	40	6.6 ± 4.3	5.2, 7.9	1.51	−0.8	−5.2
		1–3	40	6.7 ± 9.2	2.7, 8.6	0.72	−0.5	−3.3
		2-3	40	−0.9 ± 6.9	−3.1, 1.3	0.13	0.1	0.6
Waist (cm)	F(2, 72) = 40.914, , Time 1 different	1-2	37	2.7 ± 2.0	2.0, 3.4	1.36	−0.8	−4.9
		1–3	37	2.8 ± 2.5	2.0, 3.7	1.11	−0.8	−4.6
		2-3	37	0.1 ± 1.8	−0.5, 0.7	0.06	−0.02	−0.1
Systolic blood pressure (mmHg)	F(2, 76) = 2.413, , no change	1-2	39	4.0 ± 11.4	0.3, 7.7	0.35	−0.3	−2.0
		1–3	39	0.7 ± 13.3	−3.7, 5.0	0.05	−0.05	−0.3
		2-3	39	−3.3 ± 14.4	−8.0, 1.4	0.23	0.2	1.4
Diastolic blood pressure (mmHg)	F(2, 76) = 1.306, , no change	1-2	39	2.3 ± 8.5	−0.5 < mu < 5.0	0.27	−0.3	−1.7
		1–3	39	1.5 ± 8.4	−1.3 < mu < 4.2	0.18	−0.2	−1.2
		2-3	39	−0.8 ± 9.9	−4.0 < mu < 2.404	0.08	0.08	0.5
Total cholesterol (mg/dL)	F(2, 70) = 19.09, , Time 1 different	1-2	36	20.1 ± 20.3	13.2 < mu < 26.9	0.99	−0.8	−4.7
		1–3	36	17.8 ± 24.2	9.6 < mu < 26.0	0.73	−0.6	−3.8
		2-3	36	−2.2 ± 19.1	−9.7 < mu < 4.2	0.12	0.1	0.6
HDL (mg/dL)	F(2, 70) = 4.005, , Time 1 different	1-2	36	3.4 ± 9.0	0.4 < mu < 6.5	0.38	−0.5	−2.7
		1–3	36	3.6 ± 8.2	0.8 < mu < 6.4	0.44	−0.4	−2.4
		2-3	36	0.2 ± 8.8	−2.8 < mu < 3.1	0.02	0.1	0.7
LDL (mg/dL)	F(2, 56) = 10.087, , Time 1 different	1-2	29	14.1 ± 17.7	7.4, 20.9	0.8	−0.7	−3.6
		1–3	29	13.1 ± 21.3	5.0, 21.2	0.62	−0.6	−3.0
		2-3	29	−1.3 ± 17.5	−7.7, 5.6	0.07	0.1	0.5
Cholesterol: HDL ratio	F(2, 66) = 0.121, , no change	1-2	34	0.1 ± 1.4	−0.4, 0.6	0.06	−0.2	−1.2
		1–3	34	0.1 ± 1.3	−0.4, 0.6	0.07	−0.2	−1.0
		2-3	34	0.01 ± 1.0	−0.4, 0.4	0.01	−0.01	−0.04
Glucose (mg/dL)	F(2, 70) = 6.995, , Time 1 different	1-2	36	9.1 ± 10.6	5.5, 12.6	0.86	−0.7	−4.2
		1–3	36	3.7 ± 16.2	−1.8, 9.2	0.23	−0.3	−1.8
		2-3	36	−5.3 ± 16.3	−10.8, 0.2	0.33	0.4	2.2
Triglycerides (mg/dL)	F(2, 68) = 0.418, , no change	1-2	35	9.7 ± 55.8	−9.5, 28.9	0.17	−0.2	−1.0
		1–3	35	−0.3 ± 78.1	−27.2, 26.5	0	0.1	0.6
		2-3	35	−10.0 ± 84.3	−39.0, 18.9	0.12	0.3	1.5
HbA1c (%)	Paired samples t (39) = 2.689,	1–3	40	0.1 ± 0.3	0.1, 0.2	0.43	−0.6	−3.5

Values of n are for numbers of participants who completed biometric and wellness measures at all 3 time points.