Table 5.
Comparison of pesticide access for suicides and controls and the effect of the type of pesticide on suicide
| Suicides n (%) | Controls n (%) | Pairs in analysis, n | Odds Ratio (OR) | 95% Confidence Interval (CI) | Chi-Square p | Odds Ratio* (OR) | 95% Confidence Interval* (CI) | Chi-Square*p* | |
|---|---|---|---|---|---|---|---|---|---|
| ≥ One pesticide at home | 246 (66.5) | 183 (49.5) | 370 | 2.09 | 1.53–2.85 |
χ2=21.20 P=<0.001 |
1.95 | 1.33–2.85 |
χ2=11.61 P=0.001 |
| 15–23 years | 70 (61.9) | 59 (52.2) | 113 | 1.52 | 0.88–2.64 |
χ2=2.25 P=0.134 |
|||
| 24–34 years | 157 (69.2) | 110 (48.5) | 227 | 2.52 | 1.66–3.82 |
χ2=18.89 P=<0.001 |
|||
| Men | 131 (66.8) | 102 (52.0) | 196 | 1.85 | 1.22–2.81 |
χ2=8.40 P=0.004 |
|||
| Women | 115 (66.1) | 81 (46.6) | 174 | 2.42 | 1.50–3.89 |
χ2=13.22 P=<0.001 |
|||
| Insecticide at home | 216 (58.4) | 154 (41.6) | 370 | 1.95 | 1.45–2.64 |
χ2=19.29 P=<0.001 |
1.92 | 1.26–2.91 |
χ2=9.33 P=0.002 |
| 15–23 years | 60 (53.1) | 49 (43.4) | 113 | 1.44 | 0.86–2.40 |
χ2=1.96 P=0.161 |
|||
| 24–34 years | 138 (60.8) | 94 (41.4) | 227 | 2.26 | 1.52–3.36 |
χ2=16.08 P=<0.001 |
|||
| Men | 113 (57.7) | 83 (42.3) | 196 | 1.81 | 1.21–2.71 |
χ2=8.40 P=0.004 |
|||
| Women | 103 (59.2) | 71 (40.8) | 174 | 2.14 | 1.37–3.36 |
χ2=11.09 P=0.001 |
|||
| Herbicide at home | 56 (15.1) | 58 (15.7) | 370 | 0.95 | 0.61–1.49 |
χ2=0.05 P=0.819 |
0.78 | 0.41–1.49 |
χ2=0.56 P=0.456 |
| Bactericide and Rodenticide at home | 9 (2.4) | 7 (1.9) | 370 | 1.00 | 0.32–3.10 |
χ2=0.00 P=1.000 |
0.99 | 0.22–4.41 |
χ2=0.00 P=0.987 |
| Other pesticidesa at home | 44 (11.9) | 34 (9.2) | 370 | 1.33 | 0.79–2.26 |
χ2=1.14 P=0.287 |
1.16 | 0.61–2.20 |
χ2=0.20 P=0.653 |
Note: we combined Bactericide and Rodenticide because of their small numbers.
a
Other pesticides included: seed coating agent, acid, inorganic compounds, mixture or uncertain farming chemicals which cannot be sorted into any of the four types of pesticides.
Matched analyses controlled for age, gender, and residence.
*
Education level, living situation, marital status, and family annual income were also adjusted for in this multivariable analysis. All analyses had 1 df, expect marital status had 2 df.