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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: J Psychosom Res. 2016 Apr 11;85:19–25. doi: 10.1016/j.jpsychores.2016.03.126

Table 3.

Modification1 of the effect of Lifetime PTSD on chronic conditions by ethnicity; Unadjusted and adjusted risk differences and risk ratios2

Model 1: Unadjusted, Linear Model 2: Unadjusted,
Poisson		 Model 3: Age and sex, Linear Model 4: Age and sex,
Poisson
RD (95% CI) P RR (95% CI) P RD (95% CI) P RR (95% CI) P
Hypertension
    Non-Latino black 0.050 (−0.01, 0.11) 0.10 1.15 (0.98, 1.35) 0.081 0.089 (0.033, 0.14) 0.002 1.41 (1.21, 1.65) <0.001
    Non-Latino white −0.005 (−0.06, 0.05) 0.85 0.98 (0.80, 1.21) 0.85 0.048 (−0.001 0.096) 0.055 1.33 (1.09, 1.63) 0.006
Interaction: 0.054 (−0.02, 0.13) 0.17 1.18 (0.90, 1.53) 0.23 0.041 (−0.032, 0.11) 0.27 1.06 (0.83, 1.36) 0.64
Obesity
    Non-Latino black 0.067 (0.010, 0.12) 0.022 1.20 (1.04, 1.38) 0.014 0.073 (0.016, 0.13) 0.012 1.23 (1.06, 1.42) 0.005
    Non-Latino white 0.064 (0.012, 0.12) 0.016 1.28 (1.07, 1.54) 0.007 0.071 (0.019, 0.12) 0.007 1.32 (1.10, 1.59) 0.003
Interaction: 0.004 (−0.073, 0.080) 0.93 0.93 (0.74, 1.18) 0.56 0.002 (−0.074, 0.079) 0.96 0.93 (0.74, 1.17) 0.52
Heart Disease
    Non-Latino black 0.070 (0.03, 0.11) 0.001 2.07 (1.48, 2.91) <0.001 0.088 (0.046, 0.13) <0.001 3.28 (2.35, 4.58) <0.001
    Non-Latino white 0.014 (−0.02, 0.045) 0.39 1.25 (0.78, 2.01) 0.35 0.037 (0.006, 0.067) 0.018 2.40 (1.51, 3.80) <0.001
Interaction 0.056 (0.003, 0.11) 0.039 1.65 (0.92, 2.96) 0.09 0.051 (−0.0004, 0.10) 0.051 1.37 (0.78, 2.40) 0.28
Stroke
    Non-Latino black 0.018 (−0.01, 0.047) 0.21 1.62 (0.87, 3.03) 0.13 0.026 (−0.003, 0.054) 0.075 2.42 (1.30, 4.51) 0.005
    Non-Latino white 0.015 (−0.009, 0.039) 0.23 1.57 (0.84, 2.94) 0.16 0.025 (0.001, 0.48) 0.044 2.79 (1.49, 5.26) 0.001
Interaction 0.003 (−0.03, 0.04) 0.86 1.03 (0.43, 2.50) 0.94 0.001 (−0.036, 0.038) 0.95 0.87 (0.36, 2.06) 0.75
Diabetes
    Non-Latino black 0.055 (0.010, 0.10) 0.017 1.52 (1.14, 2.04) 0.005 0.067 (0.023, 0.11) 0.003 1.91 (1.44, 2.54) <0.001
    Non-Latino white −0.012 (−0.041, 0.016) 0.40 0.82 (0.50, 1.34) 0.43 0.004 (−0.024, 0.032) 0.790 1.16 (0.71, 1.89) 0.55
Interaction 0.068 (0.014, 0.12) 0.014 1.85 (1.05, 3.28) 0.034 0.063 (0.011, 0.12) 0.017 1.65 (0.95, 2.86) 0.076
1

Difference in risk differences used to calculate interaction on the additive scale and ratio of relative risks used to calculate interaction on the multiplicative scale

2

Linear regression with robust variance used to calculate risk differences and modified Poisson regression used to calculate risk ratios Totals: Hypertension n=9712, Obesity n=12,469, heart disease and diabetes n=9713, stroke n=9714