Table 1.
Patients’ sociodemographic characteristics
| Sociodemographic data | Female, n | Male, n | % | P-value |
|---|---|---|---|---|
| Sex | 73 | 27 | 100 | |
| Age (M ± SD) | 44.07±15.40 | |||
| Residence | ||||
| Rural | 5 | 7 | 12 | 0.0170 |
| Urban <100,000 residents | 11 | 2 | 13 | |
| Urban <500,000 residents | 9 | 0 | 9 | |
| Urban >500,000 residents | 48 | 18 | 66 | |
| Education | ||||
| Primary | 17 | 0 | 17 | 0.0039 |
| Vocational | 14 | 9 | 23 | |
| High school | 29 | 7 | 36 | |
| College/university | 13 | 11 | 24 | |
| Professional activity | ||||
| Working | 22 | 6 | 28 | 0.3602 |
| Unemployed | 1 | 0 | 1 | |
| Disability pension claimant | 16 | 11 | 27 | |
| Retired | 32 | 10 | 42 | |
| Other status | 2 | 0 | 2 | |
| Type of work | ||||
| Blue-collar | 27 | 9 | 38 | 0.3458 |
| White-collar | 38 | 16 | 57 | |
| Other | 5 | 0 | 5 | |
| Marital status | ||||
| Married | 44 | 24 | 68 | 0.0155 |
| Single | 4 | 1 | 5 | |
| Widowed | 21 | 0 | 21 | |
| Divorced | 4 | 2 | 6 | |
| Smoking | ||||
| No | 47 | 6 | 53 | 0.0002 |
| Past | 21 | 20 | 41 | |
| Yes | 5 | 1 | 6 | |
| Cigarette smoking | 27 | 22 | 0.4573 | |
| M ± SD | 22±3 | 25±4 | ||
| Number of cigarettes smoked per day | 27 | 22 | 0.3601 | |
| M ± SD | 17±10 | 19±8 | ||
| Duration of the illness (years) | 73 | 27 | 0.1444 | |
| M ± SD | 16.9±12.2 | 14.1±13.4 |
Note: Data in bold indicates statistical significance.
Abbreviations: M, mean; SD, standard deviation.