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Table 6 Change in dietary and physical activity outcomes at 24 monthsa

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