Table 2 Odds ratios (ORs) and 95% confidence intervals (CI) for logistic regression models of wealth quintiles on psychological distress*
UnivariateMultivariate 1†Multivariate 2‡Multivariate 3$
OR (95% CI)OR (95% CI)Type 3 p valueOR (95% CI)Type 3 p valueOR (95% CI)Type 3 p value
Wealth<0.0001<0.0001<0.0001
    Q1: low–<$25 5873.06 (2.68 to 3.50)3.26 (2.83 to 3.74)1.73 (1.48 to 2.04)1.45 (1.23 to 1.71)
    Q2: $25 587–<70 3132.28 (1.99 to 2.61)2.37 (2.07 to 2.73)1.65 (1.42 to 1.92)1.45 (1.24 to 1.69)
    Q3: $70 313–<128 0871.68 (1.46 to 1.94)1.70 (1.48 to 1.96)1.32 (1.14 to 1.53)1.18 (1.01 to 1.37)
    Q4: $128 087–<232 9321.45 (1.25 to 1.67)1.44 (1.25 to 1.67)1.24 (1.07 to 1.44)1.19 (1.02 to 1.38)
    Q5: $232 932– high (ref)1.001.001.001.00
Age at HED1.00 (1.00 to 1.01)0.00120.99 (0.99 to 0.99)<0.00010.98 (0.98 to 0.99)<0.0001
Sex: female1.27 (1.171 to 1.38)<0.00011.10 (1.01 to 1.20)0.02381.17 (1.07 to 1.27)0.0006
Self-rated health<0.0001
    Excellent (ref)1.00
    Very good1.64 (1.47 to 1.84)
    Good2.73 (2.42 to 3.08)
    Fair/poor5.98 (5.15 to 6.95)
Ethnicity: prioritised0.00140.0001
    NZ/European (ref)1.001.00
    Maori0.99 (0.86 to 1.14)0.94 (0.81 to 1.08)
    Pacific Peoples1.38 (1.13 to 1.70)1.43 (1.16 to 1.76)
    Asian1.20 (0.99 to 1.46)1.22 (1.01 to 1.49)
    Other1.44 (1.06 to 1.95)1.50 (1.10 to 2.04)
Standard family type<0.00010.0001
    Couple only1.08 (0.96 to 1.21)1.06 (0.94 to 1.19)
    Couple with children (ref)1.001.00
    Sole parent1.37 (1.18 to 1.59)1.33 (1.14 to 1.54)
    Not in a family nucleus1.29 (1.14 to 1.46)1.23 (1.09 to 1.40)
Labour force status<0.00010.00008
    Employed (ref)1.001.00
    Not employed, looking1.74 (1.31 to 2.32)1.63 (1.22 to 2.18)
    Not employed, not looking1.62 (1.45 to 1.80)1.35 (1.20 to 1.51)
Equiv household income<0.0001<0.0001
    Q1: low–<$21 0781.58 (1.34 to 1.86)1.35 (1.14 to 1.60)
    Q2: $21 078–<34 0101.39 (1.21 to 1.60)1.24 (1.07 to 1.43)
    Q3: $34 010–<49 3791.26 (1.09 to 1.44)1.16 (1.01 to 1.33)
    Q4: $49 379–<72 2800.98 (0.85 to 1.12)0.92 (0.80 to 1.06)
    Q5: $72 280– high (ref)1.001.00
NZDep<0.0001<0.0001
    Q1 (least) (ref)1.001.00
    Q21.32 (1.14 to 1.52)1.25 (1.08 to 1.45)
    Q31.30 (1.12 to 1.51)1.22 (1.05 to 1.42)
    Q41.62 (1.41 to 1.86)1.50 (1.30 to 1.73)
    Q5 (most)1.58 (1.36 to 1.84)1.40 (1.20 to 1.63)
  • *All numbers of respondents presented in this paper are random rounded to the nearest multiple of 5, with a minimum value of 10, as per Statistics New Zealand protocol.

  • †Adjusting for age at Wave 2 interview and sex.

  • ‡Further adjusting for other demographic and socioeconomic factors.

  • $Further adjusting for self-rated health at Wave 1.

  • All dollar values are NZ dollars.