Table 3.

Discordance n (%), Pearson’s correlation coefficient (r), Goodman-Kruskal’s gamma statistics (γ) and Cohen’s kappa statistics (κ) comparing Everyday Discrimination Scale exposure classification (low, moderate, high) by coding approach, African American Women’s Heart and Health Study, Northern California, 2012–2013 (n=207)

Coding approaches compared	Discordance n (%)	Pearson’s correlation coefficient (r)	Cohen’s kappa (κ)(P)*	Goodman- Kruskal’s gamma (γ) (ASE)†
Frequency versus chronicity	34 (16)	0.90	0.75 (0.001)	0.97 (0.009)
Situation versus frequency	64 (31)	0.76	0.54 (0.001)	0.88 (0.031)
Situation versus chronicity	85 (41)	0.48	0.39 (0.001)	0.78 (0.044)

^*Cohen’s kappa statistics test for agreement in exposure classification (low, moderate, high) between Everyday Discrimination Scale (EDS) measures.⁴¹

^†Goodman-Kruskal’s gamma statistics test for agreement in exposure classification (low, moderate, high) between EDS measures, accounting for ordinal data structure with ties.⁴⁰ ASE, asymptotic SE.