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Table 2 Hierarchical regression models with SF-12 MCS = 1 as the dependent variable#

From: The DRUID study: racism and self-assessed health status in an indigenous population

  Model 1
OR (95% CI)
Model 2
OR (95% CI)
Model 3
OR (95% CI)
Interpersonal racism 0.91 (0.86-0.97) 0.90 (0.84-0.96) 0.98 (0.89-1.07)
Age 1.00 (0.98-1.03) 1.00 (0.96-1.03) 0.99 (0.96-1.03)
Female 0.63 (0.32-1.26) 0.57(0.27-1.18) 0.63(0.26-1.52)
Mixed household   0.80 (0.35-1.82)' 0.78 (0.29-2.10)
Education
   Less than Year 10   1.00 1.00
   Year 10/12   0.93 (0.31-2.74) 0.81 (0.23-2.80)
   Non-degree   0.66 (0.23-1.86) 1.00 (0.29-3.45)
   Degree   1.09 (0.30-3.95) 1.47 (0.31-6.95)
Household equivalised income
   "$1"-199   1.00 1.00
   $200-499   1.25 (0.52-3.04) 0.57 (0.20-1.67)
   $500+   1.97 (0.72-5.39) 0.76 (0.22-2.67)
Own/purchasing home   1.48 (0.71-3.10) 1.83 (0.78-4.31)
Marital status
   Never married   1.00 1.00
   Married/defacto   1.46 (0.53-4.01) 1.96 (0.57-6.77)
   Separated etc.   0.74 (0.22-2.52) 0.85 (0.21-3.48)
Acute stress    0.91 (0.82-1.02)
Chronic stress    0.97 (0.91-1.04)
Optimism    1.05 (0.95-1.17)
Lack of control    0.85 (0.71-1.00)
Negative social connections    0.82 (0.67-1.00)
Positive social connections    1.13 (0.95-1.33)
Instrumental social connections    1.04 (0.83-1.29)
Identifies with clan/tribal/language    0.83 (0.31-2.26)
Recognises homeland country    0.56 (0.17-1.77)
Constant 3.27 (0.73-14.68) 3.40 (0.46-25.19) 3.77 (0.05-273.5)
McKelvey-Zavoina R-squared [60] 0.084 0.154 0.440
  1. # SF-12 MCS is split at the median with the lower quantile (poorer mental health) coded as 0 and the upper quantile (better mental health) coded as 1. Other variables are continuous except where indicated