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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: J Racial Ethn Health Disparities. 2020 Feb 21;7(4):776–784. doi: 10.1007/s40615-020-00719-5

Table 2.

Logistic regression parameter estimates (pooled sample).

OR SE p value 95% CI
Model 1 (Main Effects)
Race (Blacks) 2.83 0.39 0.000 2.16 – 3.71
Age (Year) 0.99 0.00 0.015 0.98 – 1.00
Gender (Females) 0.58 0.05 0.000 0.50 – 0.68
Ethnicity (Hispanics) 0.56 0.25 0.191 0.24 – 1.33
Cohort
2 0.50 0.05 0.000 0.42 – 0.61
3 0.17 0.04 0.000 0.11 – 0.26
Income 0.76 0.07 0.002 0.65 – 0.90
Intercept 16.15 5.08 0.000 8.72 – 29.92

Model 2 (Main Effects + Interactions)
Race (Blacks) 2.14 0.37 0.000 1.52 – 3.01
Age (Year) 0.99 0.00 0.012 0.98 – 1.00
Gender (Females) 0.58 0.05 0.000 0.49 – 0.68
Ethnicity (Hispanics) 0.56 0.25 0.185 0.23 – 1.32
Cohort
2 0.50 0.05 0.000 0.41 – 0.61
3 0.17 0.04 0.000 0.11 – 0.26
Income 0.71 0.06 0.000 0.60 −0.85
Race (Black) × Income 2.00 0.58 0.017 1.13 – 3.53
Intercept 17.48 5.53 0.000 9.40 – 32.51

Source: Osteoarthritis Initiative (OAI), 2004–2006; Outcome: overweight/obesity, Confidence Interval (CI). The reference cohort is cohort 1 (progression cohort).