Table 3 Incidence rate ratios (IRRs) (and the 95% CI) from the negative binomial regression of deliberate self‐harm by persons aged 15–64 years on deprivation and social fragmentation in Ireland, 2002–2004.
| Explanatory variable | IRR† (95% CI) | IRR‡ (95% CI) |
|---|---|---|
| Deprivation tertile | ||
| First | 1.00 | 1.00 |
| Second | 1.15*** (1.06 to 1.24) | 1.10* (1.01 to 1.20) |
| Third | 2.14*** (1.85 to 2.48) | 1.86*** (1.59 to 2.17) |
| Fragmentation tertile | ||
| First | 1.00 | 1.00 |
| Second | 1.23** (1.08 to 1.40) | 1.07 (0.96 to 1.20) |
| Third | 1.97*** (1.73 to 2.24) | 1.52*** (1.34 to 1.73) |
*p<0.05; **p<0.01; ***p<0.001. †Unadjusted effects of deprivation and social fragmentation. ‡Mutually adjusted effects of deprivation and social fragmentation.