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Horton M, Wright N, Dyer W, et al. Assessing the risk of self-harm in an adult offender population: an incidence cohort study. Southampton (UK): NIHR Journals Library; 2014 Oct. (Health Technology Assessment, No. 18.64.)

Cover of Assessing the risk of self-harm in an adult offender population: an incidence cohort study

Assessing the risk of self-harm in an adult offender population: an incidence cohort study.

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Appendix 3Cox proportional hazards regression modelling of the questionnaires using Rasch scores

TABLE 79

TABLE 79

Change in model fit from the null model

TABLE 80

TABLE 80

Cox proportional hazards regression model for the SHI continuous score model

TABLE 81

TABLE 81

Cox proportional hazards regression model for the SHI risk group model

Cox proportional hazards regression model with Self-Harm Inventory continuous score and gender interaction

FIGURE 39. Standardised score process plot for events by SHI continuous score.

FIGURE 39

Standardised score process plot for events by SHI continuous score. Pr > MaxAbsVal 0.7150 (1000 simulations).

FIGURE 40. Standardised score process plot for events by SHI continuous score × gender interaction.

FIGURE 40

Standardised score process plot for events by SHI continuous score × gender interaction. Pr > MaxAbsVal 0.4450 (1000 simulations).

TABLE 82

TABLE 82

Kolmogorov-type supremum tests for proportional hazards assumption for Cox proportional hazards regression model with SHI continuous score and gender interaction

Cox proportional hazards regression model with Self-Harm Inventory risk group and gender interaction

FIGURE 41. Kaplan–Meier plot of events by SHI risk group.

FIGURE 41

Kaplan–Meier plot of events by SHI risk group.

FIGURE 42. Log-cumulative hazard plot of events by SHI risk group.

FIGURE 42

Log-cumulative hazard plot of events by SHI risk group.

FIGURE 43. Standardised score process plot for events by SHI risk group.

FIGURE 43

Standardised score process plot for events by SHI risk group. Pr > MaxAbsVal 0.2900 (1000 simulations). Pr > MaxAbsVal represents the proportion of the 1000 simulated processes that yield a maximum score (more...)

FIGURE 44. Standardised score process plot for events by SHI continuous score.

FIGURE 44

Standardised score process plot for events by SHI continuous score. Pr > MaxAbsVal 0.2200 (1000 simulations). Pr > MaxAbsVal represents the proportion of the 1000 simulated processes that yield a maximum (more...)

TABLE 83

TABLE 83

Kolmogorov-type supremum tests for proportional hazards assumption for the SHI risk group model with gender interaction

Copyright © Queen’s Printer and Controller of HMSO 2014. This work was produced by Horton et al. under the terms of a commissioning contract issued by the Secretary of State for Health. This issue may be freely reproduced for the purposes of private research and study and extracts (or indeed, the full report) may be included in professional journals provided that suitable acknowledgement is made and the reproduction is not associated with any form of advertising. Applications for commercial reproduction should be addressed to: NIHR Journals Library, National Institute for Health Research, Evaluation, Trials and Studies Coordinating Centre, Alpha House, University of Southampton Science Park, Southampton SO16 7NS, UK.

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Bookshelf ID: NBK262618
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