Table 3

Poisson regression of household income on depressive symptoms of participants aged 11–25 years from the harmonised dataset, as well as individual datasets from Mexico, South Africa and Colombia

Harmonised (n=16 173)South Africa (n=5161)Mexico (n=7405)Colombia (n=3607)
IRR
(95% CI)
IRR
(95% CI)
IRR
(95% CI)
IRR
(95% CI)
Household income (ref.: high income)1.02
(0.97 to 1.08)
1.12
(1.06 to 1.18)
0.97
(0.90 to 1.04)
1.19
(0.92 to 1.56)
Sex (ref.: male)1.32
(1.27 to 1.37)
1.04
(1.00 to 1.08)
1.52
(1.43 to 1.62)
1.67
(1.32 to 2.23)
Age1.00
(0.99 to 1.01)
1.02
(1.01 to 1.03)
0.99
(0.98 to 1.00)
0.93
(0.89 to 0.97)
South Africa (ref.: Mexico)0.99
(0.96 to 1.03)
Colombia (ref.: Mexico)0.36
(0.32 to 0.41)
  • IRR, incidence rate ratio.