From: The complexity of premenstrual dysphoric disorder - risk factors in the population of Polish women
 | Variable | N | % |
---|---|---|---|
Marital status | Single | 414 | 27.1% |
 | Married | 882 | 57.9% |
 | Widowed | 15 | 1.0% |
 | Divorced | 213 | 14.0% |
Residence | Rural areas | 414 | 28.0% |
 | Small city (below 50,000) | 444 | 30.0% |
 | Large city (over 50,000) | 622 | 42.0% |
Education | Primary or vocational | 377 | 24.8% |
 | Secondary | 488 | 32.0% |
 | Tertiary | 657 | 43.2% |
Employment status | Employed | 1141 | 76.0% |
 | Unemployed | 229 | 15.2% |
 | Retired | 19 | 1.3% |
 | Student | 113 | 7.5% |
Type of work performed | Manual | 380 | 31.9% |
 | White-collar | 813 | 68.1% |
Physical activity | Â | 322 | 22.8% |
Cigarette smoking | Â | 509 | 33.1% |
Duration of cigarette smoking in years (x ± SD) |  | 11.7 ± 6.5 | |
Number of cigarettes a day (median + lower/upper quartile) | Â | 15 + 10/20 | |
Alcohol consumption | Â | 150 | 9.8% |
BMI (x ± SD) |  | 22.7 ± 3.40 |