Young et al. BMC Public Health 2011, 11:874 http://www.biomedcentral.com/1471-2458/11/874 Table 4 School and individual effects on suicide-risk at age 15, unadjusted and fully adjusted models Predictor Suicide risk Unadjusted OR p Suicide risk Adjusted OR Prior mental health risk Age 11-Depression 1.13 (1.08-1.18) < 0.001 1.09 (1.04-1.15) Age 11-Psych service (no) Yes 2.44 (1.15-5.15) 0.020 2.28 (0.99-5.27) Missing 1.76 (1.11-2.80) 0.017 2.63 (0.58-11.96) Age 11-Victimised (never) Less often 1.28 (0.88-1.86) 0.193 1.03 (0.69-1.54) Weekly 2.01 (1.30-3.11) 0.002 1.39 (0.84-2.30) Social background Gender (male) Female 2.66 (1.86-3.79) < 0.001 3.33 (2.22-4.99) Relative age (older than peers) 1.03 (0.98-1.08) 0.199 1.03 (0.98-1.08) Social Class (I) II 0.71 (0.36-1.38) 0.309 0.56 (0.27-1.18) IIIn 0.61 (0.28-1.30) 0.202 0.36 (0.15-0.87) IIIm 0.67 (0.34-1.30) 0.234 0.41 (0.19-0.89) IV 0.62 (0.29-1.32) 0.212 0.38 (0.16-0.92) V 1.17 (0.50-2.70) 0.721 0.53 (0.20-1.40) Missing 0.77 (0.30-1.99) 0.588 0.31 (0.10-0.96) Deprivation 1.03 (0.94-1.12) 0.551 0.98 (0.87-1.10) Religion (Protestant) Catholic 1.47 (0.89-2.42) 0.135 0.51 (0.24-1.09) Other 0.84 (0.54-1.29) 0.416 0.39 (0.15-1.03) None 0.42 (0.16-1.07) 0.070 0.89 (0.51-1.55) Missing 0.99 (0.59-1.65) 0.965 0.53 (0.11-2.43) Family (2-parent) Other 2.04 (1.30-3.21) 0.002 1.54 (0.92-2.57) 1-Parent 1.43 (0.92-2.20) 0.109 1.13 (0.69-1.85) Parental control 1.28 (1.16-1.41) < 0.001 1.08 (0.96-1.21) Parental care 0.74 (0.67-0.81) < 0.001 0.85 (0.76-0.96) School connectedness Age 11-engagement 1.01 (0.83-1.23) 0.922 1.00 (0.80-1.24) Environment (poorer) 1.08 (1.04-1.12) < 0.001 1.03 (0.98-1.08) Involvement (poorer) 1.21 (1.11-1.31) < 0.001 1.04 (0.92-1.17) (Dis)engagement (poorer) 1.30 (1.19-1.41) < 0.001 1.18 (1.05-1.32) T/P relations (poorer) 1.36 (1.17-1.57) < 0.001 1.09 (0.89-1.32) Neighbourhood perception Neigh’d cohesion (poorer) 1.23 (1.05-1.45) 0.009 1.02 (0.85-1.21) Neigh’d safety/civility (poorer) 1.24 (1.05-1.46) 0.010 1.05 (0.86-1.28) Neigh’d facilities (poorer) 1.11 (0.94-1.32) 0.224 0.91 (0.76-1.10) School level variables Overall (avg) ethos (poorer) 1.24 (1.00-1.55) 0.055 1.07 (0.80-1.42) School roll (quintiles) 1.08 (0.96-1.22) 0.204 1.05 (0.92-1.21) School rating (poorer) 1.39 (0.96-2.02) 0.081 1.65 (1.10-2.47) Denomination 0.95 (0.65-1.38) 0.776 1.89 (0.95-3.78) Cross-level interaction Mismatch between religion and school denomination 2.09 (1.01-4.31) 0.047 - Significant odds ratios are emboldened Page 10 of 15 p < 0.001 0.054 0.210 0.902 0.203 < 0.001 0.261 0.129 0.023 0.025 0.032 0.197 0.042 0.710 0.084 0.058 0.683 0.411 0.101 0.633 0.180 0.009 0.983 0.303 0.547 0.006 0.419 0.843 0.641 0.352 0.660 0.451 0.016 0.071 -