Table 2.

Comparison of Self-Perceived Knowledge Ratings by Skill and Training Year

Skill	PGY	Mean rank knowledge rating	H statistic (df 2)	p
Screening for overweight/obesity
	1	13.05
	2	16.75
	3+	13.57
			3.197	0.20
Discussing the diagnosis of overweight/obesity
	1	9.18
	2	18.50
	3+	17.14
			10.685	0.005a
Screening for contributing factors
	1	10.50
	2	17.55
	3+	16.43
			5.974	0.05
Assessment of familial/psychosocial factors
	1	11.50
	2	18.35
	3+	13.71
			5.101	0.08
Screening for comorbidities
	1	12.64
	2	15.00
	3+	16.71
			1.759	0.42
Counseling on preventative measures/lifestyle modifications
	1	10.55
	2	18.00
	3+	15.71
			7.839	0.02b
Discussing pharmacological/surgical treatment options
	1	11.14
	2	15.40
	3+	18.50
			4.095	0.129

^a On pairwise comparisons with Bonferroni correction, a statistically significant difference in mean ranks was found between PGY1 and PGY2 residents (adjusted p = 0.007).

^b On pairwise comparisons with Bonferroni correction, a statistically significant difference in mean ranks was found between PGY1 and PGY2 residents (adjusted p = 0.02).

df, degrees of freedom; PGY, postgraduate year.