Table 1.
Sociodemographic and clinical characteristics of Mexican patients with BD
| Characteristic | Male
|
Female
|
Total
|
F | P-value | |||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |||
| Age (years) | 34.96 | 14.63 | 37.14 | 14.22 | 36.29 | 14.37 | 0.05 | 0.80 |
| Age of onset (years) | 22.43 | 10.50 | 21.59 | 7.23 | 21.93 | 8.65 | 1.89 | 0.17 |
| Years of education | 12.54 | 4.08 | 12.83 | 3.64 | 12.72 | 3.81 | 1.06 | 0.30 |
| Body mass index (kg/m2) | 26.51 | 4.36 | 26.42 | 5.44 | 26.47 | 5.08 | 2.53 | 0.11 |
| n | % | n | % | n | % | χ2 | P-value | |
| Tobacco user | 36 | 65.5 | 41 | 48.8 | 77 | 55.4 | 3.72 | 0.05 |
| Alcohol user | 32 | 58.2 | 23 | 27.4 | 55 | 39.6 | 13.18 | <0.001 |
| Drugs user | 19 | 34.5 | 11 | 13.1 | 30 | 21.6 | 9.04 | 0.003 |
| Psychotic episodes | 23 | 41.8 | 26 | 31.0 | 49 | 36.3 | 1.71 | 0.19 |
| Suicide behavior | 18 | 32.7 | 40 | 47.6 | 58 | 41.7 | 3.03 | 0.08 |
Notes: Bold indicates statistical significance at P<0.05.
Abbreviations: BD, bipolar disorder; SD, standard deviation.