Incident rate ratios (and 95% CI) from the Poisson or negative binomial models of suicide in males resident in the North West Government Office Region at ward level
| Explanatory variable | Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 | Linear model |
|---|---|---|---|---|---|
| Males, 10–29 years | |||||
| Income | |||||
| Before clustering | 1 | 0.77 (0.62 to 0.97) | 0.56 (0.43 to 0.73) | 0.48 (0.33 to 0.69) | 0.77 (0.69 to 0.85) |
| After clustering | 1 | 0.77 (0.58 to 1.02) | 0.56 (0.41 to 0.75) | 0.48 (0.34 to 0.69) | 0.77 (0.69 to 0.85) |
| Employment | |||||
| Before clustering | 1 | 0.80 (0.64 to 1.00) | 0.59 (0.45 to 0.77) | 0.58 (0.42 to 0.81) | 0.81 (0.73 to 0.89) |
| After clustering | 1 | 0.80 (0.60 to 1.06) | 0.59 (0.45 to 0.76) | 0.58 (0.41 to 0.82) | 0.81 (0.72 to 0.89) |
| Males, 30–49 years | |||||
| Income | |||||
| Before clustering | 1 | 0.79 (0.65 to 0.94) | 0.69 (0.56 to 0.85) | 0.49 (0.37 to 0.66) | 0.81 (0.75 to 0.87) |
| After clustering | 1 | 0.79 (0.64 to 0.97) | 0.69 (0.56 to 0.86) | 0.49 (0.34 to 0.67) | 0.81 (0.74 to 0.88) |
| Employment | |||||
| Before clustering | 1 | 0.81 (0.67 to 0.97) | 0.63 (0.51 to 0.78) | 0.62 (0.48 to 0.80) | 0.83 (0.77 to 0.89) |
| After clustering | 1 | 0.81 (0.66 to 0.99) | 0.63 (0.50 to 0.79) | 0.62 (0.46 to 0.84) | 0.83 (0.75 to 0.91) |
| Males ⩾50 years | |||||
| Income | |||||
| Before clustering | 1 | 0.77 (0.60 to 0.98) | 0.75 (0.58 to 0.96) | 0.71 (0.52 to 0.96) | 0.89 (0.81 to 0.97) |
| After clustering | 1 | 0.77 (0.60 to 0.98) | 0.75 (0.58 to 0.97) | 0.71 (0.52 to 0.97) | 0.89 (0.81 to 0.97) |
| Employment | |||||
| Before clustering | 1 | 0.73 (0.57 to 0.93) | 0.71 (0.55 to 0.91) | 0.80 (0.61 to 1.07) | 0.91 (0.83 to 0.99) |
| After clustering | 1 | 0.73 (0.57 to 0.92) | 0.71 (0.53 to 0.95) | 0.80 (0.61 to 1.06) | 0.91 (0.83 to 1.00) |