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Table 3 Mean change in scores on outcome measures over six months

From: A pilot randomized controlled trial of a stepped care intervention package for depression in primary care in Nigeria

  

Intervention

Control

Change in scores between baseline and six months

Difference in means at 6 months intervention vs control

 

Intracluster correlation coefficients (ICC)

Baseline n = 165

6 months n = 137

Baseline n = 69

6 months n = 64

Intervention

Control

Unadjusted (95% CI)

Adjusted *(95% CI)

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

Mean change (95% CI)

Mean change (95% CI)

Depression (PHQ-9)

0.045

11.3 (3.5)

4.1 (4.4)

11.3 (3.9)

5.5 (5.2)

−7.4 (−8.3 to –6.5)

−5.9 (−7.4 to –4.4)

−1.4 (−4.3 to 1.5)

−1.4 (−2.6 to 1.2)

WHODAS

0.042

21.0 (7.0)

15.9 (5.4)

21.6 (6.4)

16.3 (6.9)

−5.6 (−6.9 to 4.3)

−5.5 (−7.3 to –3.7)

−0.5 (− 4.6 to 3.7)

−0.4 (−3.8 to 2.9)

WHOQOL

0.049

73.6 (13.5)

85.5 (12.9)

68.3 (13.6)

78.2 (11.5)

12.5 (9.7 to 15.4)

11.0 (7.7 to 14.3)

7.3 (2.8 to 11.9)

5.2 (−0.5 to 11.0)

  1. *Adjusted for baseline scores, age and sex.
  2. WHODAS- WHO disability assessment schedule. WHOQOL- WHO quality of life instrument. SD- standard deviation. CI- confidence interval.