Table 4.
Hazard Ratios and 95% Confidence Intervals for Method-specific Attempted Suicidea by Body Mass Index, Swedish Men Born Between 1950 and 1976
| Suicide/No Suicide, nos. | Adjusted for Age, Center, and Birth Year |
Multiple Adjustmentb |
|||
| Hazard Ratio | 95% CI | Hazard Ratio | 95% CI | ||
| Attempted poisoning (solid or liquid) | |||||
| Underweight | 1,601/98,171 | 1.22 | 1.15, 1.28 | 1.12 | 1.06, 1.18 |
| Normal | 1,485/907,980 | 1.00 | 1.00 | ||
| Overweight | 1,162/94,440 | 1.02 | 0.96, 1.09 | 0.88 | 0.83, 0.93 |
| Obese | 241/17,939 | 1.17 | 1.03, 1.33 | 0.87 | 0.76, 0.99 |
| Pheterogeneityc | <0.001 | <0.001 | |||
| Attempted sharp object injury | |||||
| Underweight | 179/99,593 | 1.16 | 1.00, 1.36 | 1.06 | 0.91, 1.24 |
| Normal | 1,344/918,121 | 1.00 | 1.00 | ||
| Overweight | 147/95,455 | 1.10 | 0.93, 1.30 | 0.96 | 0.81, 1.13 |
| Obese | 30/18,150 | 1.23 | 0.86, 1.77 | 0.93 | 0.65, 1.34 |
| Pheterogeneity | 0.15 | 0.78 | |||
| Other attempted poisoning | |||||
| Underweight | 61/99,711 | 1.43 | 1.09, 1.88 | 1.35 | 1.03, 1.78 |
| Normal | 363/919,102 | 1.00 | 1.00 | ||
| Overweight | 36/95,566 | 1.01 | 0.72, 1.43 | 0.88 | 0.62, 1.24 |
| Obese | 6/18,174 | 0.94 | 0.42, 2.10 | 0.72 | 0.32, 1.62 |
| Pheterogeneity | 0.10 | 0.11 | |||
| Attempted hanging | |||||
| Underweight | 46/99,726 | 1.16 | 0.85, 1.57 | 1.09 | 0.80, 1.49 |
| Normal | 358/919,107 | 1.00 | 1.00 | ||
| Overweight | 30/95,572 | 0.82 | 0.56, 1.19 | 0.72 | 0.49, 1.04 |
| Obese | 4/18,176 | 0.59 | 0.22, 1.57 | 0.46 | 0.17, 1.23 |
| Pheterogeneity | 0.32 | 0.08 | |||
| Attempted jumping | |||||
| Underweight | 43/99,729 | 1.20 | 0.87, 1.65 | 1.09 | 0.79, 1.50 |
| Normal | 320/919,145 | 1.00 | 1.00 | ||
| Overweight | 23/95,579 | 0.71 | 0.47, 1.09 | 0.65 | 0.42, 0.99 |
| Obese | 3/18,177 | 0.51 | 0.16, 1.59 | 0.41 | 0.13, 1.27 |
| Pheterogeneity | 0.12 | 0.08 | |||
| Attempted firearms injury | |||||
| Underweight | 23/99,749 | 1.13 | 0.73, 1.75 | 1.06 | 0.68, 1.63 |
| Normal | 174/919,291 | 1.00 | 1.00 | ||
| Overweight | 18/95,584 | 1.06 | 0.65, 1.72 | 0.89 | 0.55, 1.45 |
| Obese | 7/18,173 | 2.29 | 1.07, 4.88 | 1.66 | 0.76, 3.54 |
| Pheterogeneity | 0.28 | 0.41 | |||
| Attempted drowning | |||||
| Underweight | 14/99,758 | 1.38 | 0.78, 2.43 | 1.29 | 0.73, 2.28 |
| Normal | 85/919,380 | 1.00 | 1.00 | ||
| Overweight | 10/95,592 | 1.23 | 0.64, 2.38 | 1.17 | 0.61, 2.26 |
| Obese | 1/18,179 | 0.70 | 0.10, 5.03 | 0.62 | 0.09, 4.43 |
| Pheterogeneity | 0.66 | 0.75 | |||
Abbreviations: CI, confidence interval; SES, socioeconomic status.
a
Includes undetermined injuries.
b
Adjusted for age, conscription center, year of birth, childhood SES, adult SES, and educational attainment.
c
Pheterogeneity across categories of body mass index.