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Table 1 Analysis of Variance for univariate and adjusted associations of each behaviour change technique (BCT) with 3-month HEI-C, adjusted for baseline HEI-C

From: Key process features of personalized diet counselling in metabolic syndrome: secondary analysis of feasibility study in primary care

BCT Categories
(all 0,1 except as indicated)
Univariate F
P valuea
Adjusted
F
P valueb
Estimated Marginal Mean HEI-C at 3 Months – adjusted analysis
Decreased HEI-C
 Goal setting 0, 1–3, >3c 0.007 0.007 More than 3 mentions associated with lowest HEI score (66 points), none and 1–3 mentions had higher HEI (71 points).
Increased HEI-C
 Self-monitoring 0, 1–4, >4d 0.000 < 0.001 More than 4 mentions associated with highest HEI score (73 points), no mentions was intermediate (68 points) and 1–4 mentions had the lowest score (65 points)
 Focus on past success   0.009 0.018 Mention associated with higher HEI score (71 points) compared to no mentions (67 points)
 Feedback on performance 0, 1–3, >3e 0.037 0.026 More than 3 mentions and no mentions associated with lowest HEI score (67 points), 1–3 mentions had higher HEI (71 points).
No difference
 Review of goals 0, 1–4, >4f 0.061 0.064  
 Consequences   0.078 0.046  
 Environment re-structuring   0.096 0.054  
 Social support   0.162 0.264  
 Graded tasks   0.182a 0.164  
 Action planning 0, 1–3, >3g 0.260 0.230  
 Rewards   0.294 0.344  
 Motivational Interviewing 0, 1–3, >3h 0.598 0.584  
 Cues/prompts   0.639a 0.634  
 Relapse prevention/coping   0.713a 0.762  
 Behaviour contract   0.764 0.748  
 Problem solving   0.798 0.919  
  1. a Levene’s test of equality of error variance of the dependent variable was p < 0.05 for the BCTs with superscript and otherwise p > 0.05
  2. bAdjusted for sex, age, BMI, Baseline percentile VO2 max, baseline PROCAM score, spouse yn
  3. c Goal setting recoded as: 0 = not mentioned (n = 29); 1 = mentioned 1–3 times in 3 months (n = 111); 2 = mentioned more than three times (n = 115)
  4. d Self-monitoring recoded as: 0 = not mentioned (n = 83); 1 = mentioned 1–4 times in 3 months (n = 77); 2 = mentioned more than four times (n = 95)
  5. eFeedback on performance recoded as: 0 = not mentioned (n = 50); 1 = mentioned 1–3 times in 3 months (n = 100); 2 = mentioned more than three times (n = 105)
  6. f Review of Goals recoded as: 0 = not mentioned (n = 48); 1 = mentioned 1–4 times in 3 months (n = 102); 2 = mentioned more than four times (n = 105)
  7. g Action Planning recoded as: 0 = not mentioned (n = 76); 1 = mentioned 1–2 times in 3 months (n = 71); 2 = mentioned more than two times (n = 108)
  8. h Motivational interviewing recoded as: 0 = not mentioned (n = 96); 1 = mentioned 1–2 times in 3 months (n = 65); 2 = mentioned more than two times (n = 94)