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Table 3 Intra-Scale Correlation for the Cognitive and Affective Scales

From: Interpersonal reactivity index adaptation among expectant seroconcordant couples with HIV in Zambézia Province, Mozambique

  Cognitive Subscale rho (95% CI) p-value Affective Subscale rho (95% CI) p-value
Total α 0.78 Ref Ref 0.73 0.621 (0.585, 0.655) < 0.001*
Female α 0.78    0.74   
Male α 0.76    0.71   
PHQ-9 Score (0–27)   0.152 (0.093, 0.211) < 0.0001*   0.075 (0.015, 0.135) 0.014*
  1. Cognitive Scale Questions: 5, 16, 21, 23, 25, 26, 28
  2. Affective Scale Questions: 6, 10, 13, 14, 17, 18
  3. 95% CI 95% confidence interval, PHQ-9 Patient Health Questionaire-9
  4. * indicates statistical significance at α = 0.05