Table 3 Multilevel logistic regression models of the odds of serious mental illness in association with green space quantity and quality among women in the postpartum period
Green space quantity | Green space quality | |||
|---|---|---|---|---|
Model 5 | Model 6 | Model 7 | Model 8 | |
Fixed part | Odds Ratio (95% Confidence Interval) | |||
Age (mean centred) | 0.98 (0.97, 0.99) | 0.98 (0.97, 0.99) | 0.98 (0.97, 0.99) | 0.98 (0.97, 0.99) |
Age square (mean centred) | 1.00 (1.00, 1.00) | 1.00 (1.00, 1.00) | 1.00 (1.00, 1.00) | 1.00 (1.00, 1.00) |
Indigenous status (No) | ||||
Yes | 1.55 (0.96, 2.50) | 1.55 (0.96, 2.51) | 1.58 (0.98, 2.55) | 1.58 (0.98, 2.56) |
Highest qualification (ref: Postgraduate) | ||||
Undergraduate | 1.11 (0.93, 1.32) | 1.11 (0.93, 1.32) | 1.10 (0.92, 1.31) | 1.10 (0.92, 1.30) |
Year 11 to 13 | 0.92 (0.73, 1.15) | 0.91 (0.73, 1.14) | 0.91 (0.73, 1.14) | 0.91 (0.73, 1.14) |
≤ Year 10 | 1.26 (0.97, 1.63) | 1.26 (0.97, 1.63) | 1.23 (0.95, 1.59) | 1.23 (0.95, 1.59) |
Other | 1.92 (0.28, 13.23) | 1.91 (0.28, 13.06) | 2.10 (0.31, 14.14) | 2.10 (0.31, 14.10) |
Economic status (ref: Employed) | ||||
Economically inactive | 1.47 (1.31, 1.65) | 1.47 (1.31, 1.66) | 1.47 (1.31, 1.66) | 1.47 (1.31, 1.65) |
Unemployed | 1.68 (1.27, 2.22) | 1.68 (1.27, 2.23) | 1.68 (1.27, 2.22) | 1.67 (1.26, 2.22) |
Area disadvantage (ref: affluent) | ||||
Average | 1.23 (1.07, 1.42) | 1.24 (1.07, 1.42) | 1.19 (1.04, 1.37) | 1.19 (1.03, 1.37) |
Disadvantaged | 1.47 (1.25, 1.72) | 1.47 (1.25, 1.72) | 1.37 (1.17, 1.60) | 1.36 (1.16, 1.60) |
Remoteness (ref: Major Cities) | ||||
Inner regional | 0.75 (0.63, 0.89) | 0.75 (0.63, 0.89) | 0.71 (0.59, 0.84) | 0.71 (0.59, 0.84) |
Outer regional or remote | 0.79 (0.64, 0.97) | 0.79 (0.64, 0.97) | 0.76 (0.62, 0.93) | 0.76 (0.62, 0.93) |
Years since childbirth (mean centred) | 1.03 (0.99, 1.07) | 1.03 (0.97, 1.09) | 1.02 (0.99, 1.06) | 1.02 (0.97, 1.08) |
Years since childbirth2 (mean centred) | 1.00 (0.99, 1.01) | 1.01 (0.99, 1.03) | 1.00 (0.99, 1.01) | 1.00 (0.98, 1.02) |
Green space quantity (ref: ≤ 5%) | ||||
6–10% | 1.01 (0.81, 1.27) | 0.94 (0.72, 1.22) | ||
11–20% | 1.24 (1.02, 1.51) | 1.25 (1.00, 1.57) | ||
21–40% | 1.16 (0.95, 1.42) | 1.22 (0.97, 1.55) | ||
≥ 41% | 0.89 (0.69, 1.14) | 1.04 (0.78, 1.39) | ||
Parks good quality (ref: Do not agree) | ||||
Agree | 0.88 (0.77, 1.00) | 0.86 (0.73, 1.02) | ||
Strongly Agree | 0.74 (0.64, 0.86) | 0.71 (0.59, 0.87) | ||
Years since childbirth×Green space quantity | ||||
Years × 6–10% | 0.99 (0.92, 1.07) | |||
Years × 11–20% | 1.00 (0.93, 1.07) | |||
Years × 21–40% | 1.03 (0.97, 1.11) | |||
Years x ≥ 41% | 0.97 (0.88, 1.06) | |||
Years since childbirth2 × Green space quantity | ||||
Years2 × 6–10% | 1.02 (0.99, 1.05) | |||
Years2 × 11–20% | 1.00 (0.97, 1.03) | |||
Years2 × 21–40% | 0.99 (0.96, 1.02) | |||
Years2 × ≥ 41% | 0.96 (0.92, 1.00) | |||
Years since childbirth × Parks good quality | ||||
Years × Agree | 1.00 (0.95, 1.06) | |||
Years × Strongly agree | 1.00 (0.94, 1.07) | |||
Years since childbirth2 × Parks good quality | ||||
Years2 × Agree | 1.00 (0.98, 1.03) | |||
Years2 × Strongly agree | 1.01 (0.98, 1.04) | |||
Random part | ||||
Level 3: Statistical Area 2 | 0.005 (0.032) | 0.004 (0.032) | 0.009 (0.032) | 0.009 (0.032) |
Level 2: Person | 2.195 (0.096) | 2.199 (0.096) | 2.184 (0.096) | 2.181 (0.096) |