Table 5 Logistic regression models predicting perceived need and service use.
Variables | Model I | Model II | Model III | Model IV | ||||
|---|---|---|---|---|---|---|---|---|
Perceived the need | Service use | Service use among those who perceived the need | Service use among those who did not perceive the need | |||||
aOR (95% CI) | VIF | aOR (95% CI) | VIF | aOR (95% CI) | VIF | aOR (95% CI) | VIF | |
Age (ref. 13 to ≤ 15) | 1.08 | 1.12 | 1.12 | 1.22 | ||||
> 15 to 17 | 1.28** (1.06, 1.54) | 1.02 (0.83, 1.26) | 0.99 (0.76, 1.28) | 0.52* (0.29, 0.90) | ||||
Gender (ref. Boys) | 1.05 | 1.08 | 1.09 | 1.24 | ||||
Girls | 1.27** (1.06, 1.52) | 1.47*** (1.20, 1.80) | 1.42** (1.11, 1.83) | 1.39 (0.80, 2.41) | ||||
Country of Birth (ref. Overseas) | 1.06 | 1.05 | 1.05 | 1.23 | ||||
Australia | 1.37* (1.05, 1.79) | 1.47* (1.07, 2.01) | 1.54* (1.04, 2.28) | 0.65 (0.33, 1.29) | ||||
Place of residence (ref. Rural/Remote) | 1.05 | 1.03 | 1.03 | 1.14 | ||||
Major cities | 1.17 (0.97, 1.42) | 1.04 (0.85, 1.28) | 0.92 (0.71, 1.20) | 1.00 (0.56, 1.81) | ||||
Schooling (ref. No) | 1.07 | 1.08 | 1.07 | 1.42 | ||||
Yes | 1.08 (0.85, 1.36) | 1.07 (0.83, 1.39) | 0.99 (0.72, 1.36) | 2.06 (0.85, 5.00) | ||||
Family type (ref. Original) | 1.18 | 1.16 | 1.17 | 1.35 | ||||
Others (Blended/Step) | 1.37** (1.13, 1.67) | 1.51*** (1.22, 1.87) | 1.29 (0.99, 1.68) | 1.81* (1.00, 3.26) | ||||
Family functioning (ref. Fair/Poor) | 1.03 | 1.05 | 1.06 | 1.08 | ||||
Good/Very good | 0.85 (0.67, 1.07) | 1.00 (0.77, 1.28) | 1.13 (0.84, 1.53) | 0.91 (0.44, 1.86) | ||||
Parents' Education (ref. Diploma and below) | 1.15 | 1.16 | 1.16 | 1.40 | ||||
Bachelor and above | 1.23* (1.01, 1.51) | 1.13 (0.90, 1.42) | 0.96 (0.74, 1.28) | 1.23 (0.66, 2.28) | ||||
Parents' Employment (ref. Employed) | 1.15 | 1.15 | 1.18 | 1.11 | ||||
Unemployed | 1.14 (0.91, 1.43) | 1.38** (1.08, 1.76) | 1.27 (0.93, 1.72) | 2.18* (1.17, 4.06) | ||||
Household income quintile (ref. Low) | 1.35 | 1.38 | 1.41 | 1.55 | ||||
Medium | 1.02 (0.80, 1.31) | 0.85 (0.65, 1.11) | 0.78 (0.55, 1.09) | 0.82 (0.40, 1.68) | ||||
High | 0.95 (0.72, 1.27) | 0.76 (0.56, 1.05) | 0.70 (0.48, 1.03) | 0.91 (0.40, 2.09) | ||||
Professionally assessed with mental disorders only (ref. No) | 1.16 | 1.23 | 1.28 | 1.15 | ||||
Yes | 6.22*** (4.76, 8.12) | 5.96*** (4.65, 7.64) | 3.27*** (2.39, 4.47) | 1.75 (0.71, 4.33) | ||||
Self-reported self-harm/suicidality only (ref. No) | 1.07 | 1.09 | 1.11 | 1.11 | ||||
Yes | 6.65*** (4.20, 10.52) | 3.47*** (2.32, 5.17) | 1.40 (0.89, 2.20) | 4.49* (1.43, 14.03) | ||||
Both (ref. No) | 1.16 | 1.25 | 1.29 | 1.19 | ||||
Yes | 37.35*** (18.21, 76.58) | 9.31*** (6.62, 13.09) | 3.15*** (2.18, 4.57) | 3.28 (0.36, 29.52) | ||||
Model performance tests | ||||||||
McKelvey & Zavoina's R2 | 0.311 | 0.228 | 0.136 | 0.146 | ||||
Hosmer–Lemeshow statistic (p-value) | 9.81 (0.831) | 5.09 (0.991) | 12.37 (0.650) | 544.51 (0.311) | ||||
Mean VIF (Max) | 1.12 (1.35) | 1.14 (1.38) | 1.16 (1.41) | 1.25 (1.55) | ||||
