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Table 2 Logistic regression analyses: full model of determinants of mental health service utilization

From: Determinants of mental health service use in the national mental health survey of the elderly in Singapore

   N Sought treatment Multivariate P
    N % χ2 df P OR (95% C.I.) Wald df  
Psychiatric disorder: No 967 32 3.2     1      
  Yes 125 42 33.6 163.7 1 <0.001 5.43 2.29 12.9 14.77 1 <0.001
Disability from mental illness (≥ 1 month) No 1059 44 4.2          
  Yes 33 30 90.9 381.3 1 <0.001 106.4 24.5 461.9 38.82 1 <0.001
Self-rated mental health: Excellent or very good 324 14 4.3     1    8.379 2 0.015#
  Good 648 33 5.1     0.82 0.35 1.94 0.198 1 0.657
  Fair of poor 120 27 22.5 52.96 2 <0.001 3.18 1.01 10.0 3.928 1 0.047
Gender Male 478 26 5.5     1      
  Female 614 48 7.8 0.238 1 0.12 2.25 1.09 4.66 3.386 1 0.07
Age 60–74 824 58 7.0     1      
  ≥ 75 268 16 6.0 0.366 1 0.54 0.71 0.31 1.62 0.672 1 0.41
Ethnicity Chinese 873 61 7.0     1     2  
  Malay 120 6 5.0     0.81 0.25 2.60 0.126 1 0.72
  Indian 99 7 7.1 0.675 2 0.71 0.93 0.30 2.90 0.017 1 0.89
Formal education No 437 24 5.5     1      
  Yes 655 50 7.5 1.679 1 0.19 2.48 1.11 5.51 4.929 1 0.026
Household income per month < $1,000 218 22 10.3     1    7.243 2 0.027#
  $1,000 – $2,999 429 33 7.7     0.56 0.25 1.25 2.004 1 0.16
  >$3,000 445 19 4.4 8.607 1 0.015 0.29 0.12 0.72 7.232 1 0.007
Limited by financial resources for medical care No at all 458 36 7.9     1      
  Yes, to some or great extent 634 38 6.0 1.467 1 0.23 0.38 0.18 0.79 6.791 1 0.009
Actively employed Yes 164 10 6,1     1      
  No 928 64 6.8 0.004 1 0.85 1.76 0.75 4.15 1.678 1 0.19
Single, divorced, widowed No 384 34 8.9     1      
  Yes 708 40 5.6 4.047 1 0.044 0.48 0.23 1.03 3.566 1 0.059
Living alone: No No 1031 69 6.7     1      
Yes Yes 61 5 8.2 0.206 1 0.65 2.10 0.48 9.22 0.975 1 0.32
Caregiver available No 44 8 18.2     1      
  Yes 1048 66 6.3 9.440 1 0.002 0.25 0.07 0.78 5.654 1 0.017
Religious or spiritual support Not at all 169 11 6.5     1    1.819 2 0.40#
  To some extent 504 40 7.7     0.92 0.34 2.50 0.024 1 0.88
  To a great extent 419 23 5.5 1.860 2 0.39 0.57 0.21 1.60 1.123 1 0.29
Regular source of primary care: No No 163 11 6.8     1      
Yes Yes 929 63 6.8 0.01 1 1.00 0.66 0.29 1.52 0.941 1 0.33
Prefer to seek professional help: No No 211 12 5.7     1      
Yes Yes 881 62 7.0 0.497 1 0.48 0.81 0.34 1.93 0.218 1 0.64
Mental illness can be cured Not at all 108 3 2.8     1.00    6.866 2 .032#
  To some extent 782 48 6.1     4.85 1.07 22.0 4.178 1 0.041
  To a great extent 202 23 11.4 10.03 2 0.007 8.82 1.69 45.9 6.690 1 0.010
Embarrassed or ashamed about mental illness Not at all 744 50 6.7     1    0.641 2 0.73
  To some extent 294 19 6.5     1.34 0.63 2.84 0.576 1 0.45
  To a great extent 54 5 9.3 0.576 2 0.75 0.94 0.24 3.66 0.007 1 0.93
Professionals can do little to help Disagree or strongly disagree 719 36 5.0     1    8.569 2 0.014#
  Neither 246 21 8.5     2.81 1.19 6.65 5.549 1 0.018
  Agree or strongly agree 127 17 13.4 13.55 2 0.001 3.84 1.42 10.4 7.034 1 0.008
Can overcome problem without professional help Disagree or strongly disagree 549 37 6.6     1    3.096 2 0.21#
  Neither 225 12 5.3     1.57 0.60 4.10 0.851 1 0.36
  Agree or strongly agree 318 25 7.9 1.402 2 0.49 2.02 0.92 4.43 3.072 1 0.08
Drugs often do more harm than good Disagree or strongly disagree 744 44 5.9     1    2.461 2 0.29#
  Neither 244 24 9.8     1.09 0.47 2.55 0.040 1 0.84
  Agree or strongly agree 104 6 5.8 4.659 2 0.10 0.39 0.11 1.46 1.947 1 0.16
  1. # p for trend
  2. Multivariate model Nagelkerke R2 = 0.510