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Table 5 Equity analysis of Cohort Study

From: Evaluation of a collaborative care model for integrated primary care of common mental disorders comorbid with chronic conditions in South Africa

  Control group Treatment group Difference of difference adjusted β (95%CI)
N Mean PHQ-9 score (SD) Adjusted mean change in PHQ-9 (95%CI) from baseline N Mean PHQ-9 score (SD) or N (%) Adjusted mean change in PHQ-9 (95%CI) from baseline
Midline (3 months)
Sex
 Male 43 8.3 (4.19) −3.56 (− 5.04 to − 2.08) 21 6.8 (4.98) −5.39 (− 7.45 to − 3.33) − 1.83 (− 4.28 to 0.62) 0.76 (− 1.94 to 3.45)
 Female 166 9.9 (4.73) −2.41 (− 3.18 to − 1.64) 104 8.2 (6.36) −5.00 (− 6.03 to − 3.97) −2.59 (− 3.77 to − 1.41)
Household food insecurity
 Food secure 89 8.7 (4.20) −2.89 (− 3.92 to − 1.86) 58 6.2 (4.84) − 6.62 (− 7.95 to − 5.28) −3.73 (− 5.30 to − 2.15) − 2.50 a (− 4.60 to − 0.41)
 Food insecure 120 10.3 (4.88) −2.56 (− 3.47 to − 1.65) 67 9.5 (6.79) −3.79 (− 4.98 to − 2.59) −1.23 (− 2.65 to 0.20)
Endline (12 months)
Sex
 Male 38 7.3 (4.29) −4.44 (− 5.94 to − 2.94) 21 7.7 (4.34) − 4.64 (− 6.72 to − 2.56) −0.20 (− 2.67 to 2.28) 2.18 (− 0.55 to 4.91)
 Female 157 9.4 (4.95) −2.80 (− 3.59 to − 2.01) 98 8.0 (5.35) −5.17 (− 6.22 to − 4.13) −2.38 (− 3.55 to − 1.20)
Household food insecurity
 Food secure 86 8.3 (4.81) −3.27 (− 4.31 to − 2.24) 55 6.5 (4.97) −6.42 (− 7.76 to − 5.08) −3.15 (− 4.72 to − 1.58) − 2.24 a (− 4.34 to − 0.14)
 Food insecure 109 9.6 (4.91) − 3.10 (− 4.04 to − 2.17) 64 9.2 (5.06) −4.01 (− 5.22 to − 2.81) −0.91 (− 2.33 to 0.52)
  1. a Significant at < 0.05 level