A community-based lifestyle and weight loss intervention promoting a Mediterranean-style diet pattern evaluated in the stroke belt of North Carolina: the Heart Healthy Lenoir Project

Keyserling, Thomas C.; Samuel-Hodge, Carmen D.; Pitts, Stephanie Jilcott; Garcia, Beverly A.; Johnston, Larry F.; Gizlice, Ziya; Miller, Cassandra L.; Braxton, Danielle F.; Evenson, Kelly R.; Smith, Janice C.; Davis, Gwen B.; Quenum, Emmanuelle L.; Elliott, Nadya T. Majette; Gross, Myron D.; Donahue, Katrina E.; Halladay, Jacqueline R.; Ammerman, Alice S.

doi:10.1186/s12889-016-3370-9

Table 6 Change in dietary and physical activity outcomes at 24 months^a

From: A community-based lifestyle and weight loss intervention promoting a Mediterranean-style diet pattern evaluated in the stroke belt of North Carolina: the Heart Healthy Lenoir Project

Outcome	Phase 3
	12 months to 24 months		Baseline to 24 months
	(24 months minus 12 months)		(24 months minus baseline)
	n	Mean, 95 % CI	n	Mean, 95 % CI
Dietary
DRA total score
All	236	−0.3 (−0.8 to 0.2)	226	2.9 (2.3 to 3.6) ^***
Subgroup by race^b
--African American	168	−0.7 (−1.3 to 0.0) ^*	158	3.0 (2.2 to 3.8) ^***
--White	66	0.6 (−0.2 to 1.4)	66	2.8 (1.6 to 4.0) ^***
Subgroup by intervention^c
--Lifestyle	116	−0.1 (−0.8 to 0.6)	105	1.8 (0.9 to 2.7) ^***
--Wt loss, group	48	−1.1 (−2.1 to −0.2) ^*	50	4.0 (2.7 to 5.4) ^***
--Wt loss, combination	72	0.0 (−0.9 to 1.0)	71	3.9 (2.6 to 5.2) ^***
Fat quality screener score
All	236	−0.4 (−0.7 to 0) ^*	224	0.7 (0.3 to 1.0) ^***
--African American	168	−0.6 (−1.0 to −0.1)^**	156	0.7 (0.2 to 1.1) ^**
--White	66	0.1 (−0.5 to 0.6)	66	0.6 (−0.2 to 1.5)
--Lifestyle	116	−0.7 (−1.3 to −0.2) ^**	105	0.1 (−0.5 to 0.7)
--Wt loss, group	48	−0.2 (−0.9 to 0.5)	47	1.2 (0.4 to 2.0) ^**
--Wt loss, combination	72	0.1 (−0.5 to 0.6)	72	1.1 (0.5 to 1.7) ^***
Fruit and vegetable servings per day
All	237	−0.2 (−0.4 to 0.1)	250	0.4 (0.2 to 0.6) ^***
--African American	169	−0.2 (−0.5 to 0.1)	177	0.3 (0.1 to 0.6) ^*
--White	66	0.0 (−0.4 to 0.3)	71	0.5 (0.1 to 0.8) ^**
--Lifestyle	117	0.1 (−0.2 to 0.4)	127	0.2 (−0.1 to 0.5)
--Wt loss, group	48	−0.1 (−0.6 to 0.3)	51	0.9 (0.4 to 1.4) ^***
--Wt loss, combination	72	−0.5 (−0.9 to −0.1) ^**	72	0.3 (−0.1 to 0.8)
Physical Activity
Walking time, min/wk^d
All	237	−52 (−89 to −15) ^**	250	22 (−13 to 56)
--African American	169	−49 (−95 to −3) ^*	177	21 (−25 to 67)
--White	66	−63 (−123 to −2) ^*	71	27 (−12 to 65)
--Lifestyle	117	−55 (−111 to 2)	127	8 (−50 to 65)
--Wt loss, group	48	−81 (−163 to 0) ^*	51	−4 (−69 to 60)
--Wt loss, combination	72	−29 (−84 to 27)	72	65 (22 to 108) ^**
Activity time, min/wk^e
All	237	−40 (−91 to 11)	250	48 (−7 to 103)
--African American	169	−25 (−89 to 40)	177	54 (−17 to 124)
--White	66	−82 (−164 to −0.5) ^*	71	39 (−46 to 124)
--Lifestyle	117	−17 (−106 to 73)	127	51 (−46 to 149)
--Wt loss, group	48	−116 (−208 to −24) ^**	51	12 (−70 to 95)
--Wt loss, combination	72	−27 (−84 to 29)	72	68 (7 to 129) ^*

Abbreviations: BP blood pressure, CI confidence interval, DRA dietary risk assessment
Note: Boldface indicates statistical significance ^*p ≤ 0.05; ^**p ≤ 0.01; ^***p ≤ 0.001
^a Data are means except where noted
^b 3 categorized as other race
^c Participants selected intervention group at 6 month follow-up visit; if they did not attend this visit they were assigned to lifestyle group
^d Includes walking for transportation and exercise
^e Includes walking and other moderate and vigorous activity

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