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Table 1 Baseline comparison of changers, non-changers and the participant cohort assigned to the Motivational Interviewing intervention

From: Mechanisms of motivational interviewing in health promotion: a Bayesian mediation analysis

  Total Motivational Interviewing Cohort Fruit & Vegetable Changers Fruit & Vegetable Non-changers t-test Comparisons for Changers vs. Non-changers
Mean (SD) Mean (SD) Mean (SD)  
n 202 21 22 df = 41
% male 96 100 96 .98
Age 41.1 (8.9) 39.1 (8.4) 42.5 (6.2) 1.54
Years as a firefighter 15.8 (8.7) 14.1 (8.1) 16.4 (8.1) .92
Servings of fruits and vegetables each day 5.8 (3.4) 3.5 (1.5) 4.9 (1.7) 2.86*
Body Mass Index 27.4 (3.6) 28.4 (4.4) 26.8 (3.0) −1.42
General Health#‡ 2.4 (0.8) 2.5 (0.7) 2.4 (0.8) −.63
Intent to eat fruits and vegetables#‡ 2.8 (1.2) 2.7 (0.8) 2.6 (1.3) −.29
Autonomous motivation for diet behavior#† 5.6 (1.0) 5.7 (1.0) 5.5 (0.8) −.57
  1. # Scale items and reliabilities are described in PHLAME addendum at http://www.public.asu.edu/~davidpm/ripl/Phlame.htm.
  2. Score based on 5-point scale.
  3. Score based on 7-point scale and using the TSRQ [42].
  4. * p < .01.