Table 4

Depression cohort: multivariable association of demographic and socio-economic factors with change in PHQ-9 score at 12 months

Comparison groupTreatment groupDifference of difference (95% CI)Wald χ2
NMean (SD)Adjusted mean change (95% CI) from BLNMean (SD)Adjusted mean change (95% CI) from BL
Gender
 Male888.8 (4.09)−4.09 (−5.19 to −2.98)857.1 (4.29)−6.36 (−7.65 to −5.06)−2.27 (−3.63 to −0.92)1.58
 Female439.5 (3.74)−3.21 (−4.67 to −1.75)1057.4 (4.06)−6.75 (−7.91 to −5.60)−3.55 (−5.26 to −1.83)
Age (years)
 18–29197.9 (4.68)−5.19 (−7.39 to −3.00)396.0 (3.73)−8.11 (−9.91 to −6.31)−2.92 (−5.48 to −0.35)3.94
 30–49498.2 (3.99)−4.46 (−5.92 to −3.01)997.3 (4.33)−7.07 (−8.40 to −5.73)−2.60 (−4.24 to −0.97)
 50+6310.0 (3.53)−3.56 (−4.87 to −2.24)528.2 (3.93)−5.66 (−7.15 to 4.17)−2.10 (−3.91 to −0.29)
Religion
 Hindu1098.9 (4.10)−3.83 (−4.83 to −2.82)1697.1 (4.26)−6.43 (−7.57 to −5.28)−2.60 (−3.72 to −1.48)0.51
 Other229.6 (3.32)−3.19 (−5.09 to −1.28)218.4 (3.02)−5.35 (−7.32 to −3.39)−2.17 (−4.80 to 0.46)
Education
 Uneducated/Illiterate419.4 (3.48)−3.32 (−4.70 to −1.94)717.8 (4.42)−6.15 (−7.47 to −4.84)−2.83 (−4.52 to −1.14)3.13
 Less than primary education439.7 (4.03)−3.26 (−4.67 to −1.85)477.9 (4.15)−5.42 (−6.88 to −3.96)−2.16 (−4.03 to −0.29)
 Primary education or above478.1 (4.24)−4.58 (−5.98 to −3.18)726.4 (3.78)−7.04 (−8.345 to −5.74)−2.46 (−4.09 to −0.83)
Marital status
 No partner68.2 (5.91)−3.74 (−7.05 to −0.44)238.7 (3.99)−5.85 (−7.71 to −3.99)−2.11 (−5.81 to 1.59)0.09
 Has a partner1259.1 (3.89)−3.44 (−4.27 to −2.61)1677.1 (4.15)−5.90 (−6.85 to −4.95)−2.47 (−3.47 to −1.47)
Occupation
 Unemployed399.5 (3.95)−3.22 (−4.71 to −1.73)807.0 (4.00)−6.88 (−8.25 to −5.510)−3.66 (−5.46 to −1.86)0.85
 Employed928.9 (3.99)−4.07 (−5.11 to −3.02)1107.5 (4.27)−6.14 (−7.24 to −5.03)−2.07 (−3.34 to −0.80)
Food insecurity
 Food secure1239.0 (4.06)−4.01 (−4.96 to −3.06)1827.2 (4.11)−6.60 (−7.61 to −5.59)−2.59 (−3.67 to −1.50)1.83
 Food insecure810.3 (2.25)−1.73 (−4.90 to 1.45)89.8 (4.59)−5.92 (−9.52 to −2.32)−4.19 (−8.96 to 0.58)
  • BL, Baseline;PHQ-9, Patient Health Questionnaire-9 item.