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. 2021 May 17;21:280. doi: 10.1186/s12909-021-02702-y

Table 2.

Average Within-Subject Change in Participants’ Self-Rated Scores Between Pre- and Post-Intervention Timepoints

Time 1 ➔ Time 2 Time 1 ➔ Time 3 n
Estimate 95% CI Estimate 95% CI
Attitudes About Counseling Patients
 I am [x] to effectively counsel patients on how to practice a healthy lifestyle
  Motivated 0.8 (−0.5, 2.1) 0.1 (−1.2, 1.4) 30
  Excited 0.7 (−0.4, 1.8) 0.63 (−0.5, 1.8) 29
  Prepared 2.8*** (1.6, 4.0) 2.2** (1.0, 3.4) 30
 I have the [x] knowledge necessary to effectively counsel patients on how to practice a healthy lifestyle.
  Medical 1.9** (0.7, 3.1) 1.2 (−0.003, 2.4) 30
  Nutritional 1.8*** (1.0, 2.6) 1.3** (0.5, 2.1) 30
  Culinary 3.0*** (1.8, 4.2) 2.6*** (1.4, 3.8) 30
Objective Culinary Knowledgea
 Total scoreb 3.6*** (2.4, 4.9) 1.6* (0.4, 2.9) 29
Attitudes about Own Lifestyle
 I have the [x] necessary to practice a healthy lifestyle
  Motivation 0.8 (−0.2, 1.8) 0.2 (−0.8, 1.2) 30
  Medical knowledge 1.1* (0.2, 2.0) 0.4 (−0.5, 1.3) 30
  Nutritional knowledge 1.3* (0.2, 2.4) 1.3* (0.2, 2.4) 30
  Culinary theory/knowledge 2.7*** (1.6, 3.8) 2.2** (1.1, 3.3) 30
  Culinary technique/skills 3.1*** (1.9, 4.3) 3.0*** (1.8, 4.2) 30
 I can use culinary knowledge and skills to positively impact my [x].
  Health 0.3 (−0.9, 1.5) 0.2 (−1.0, 1.4) 29
  Wellness 0.1 (−1.0, 1.2) 0.2 (−0.9, 1.3) 30
Self-Reported Behaviors
 Estimated number of times per week you eat the following types of meals
  Restaurants −0.3 (−1.1, 0.5) − 0.3 (− 1.1, 0.5) 30
  Pre-prepared −0.2 (−1.6, 1.3) −1.3 (−2.7, 0.1) 29
  Homemadeb −0.2 (−3.1, 2.7) 3.1* (0.2, 6.0) 30
  Percent of meals homemade 4.1 (−7.5, 15.7) 13.7* (2.1, 25.3) 30

n the number of person-time observations in each model, CI Confidence interval

*P < .05 **P < .01 ***P < .001

Estimates and confidence intervals obtained from linear regression models with individual fixed effects

aObjective culinary knowledge is the total score from a 10-question multiple choice assessment, with 1 point given to each correct answer

bFor these variables (total score, homemade), there was a significant within-subject change between time 2 and time 3 at the P < .05 level. For all other variables, there was no significant within-subject change between time 2 and time 3