Table 1.
Prevalence of VVs and its variation according to demographic, obesity, and exercise of nurses
| Total n (%)# | VVs n (%) | Chi-square test | P | COR (95% CI) | |
|---|---|---|---|---|---|
| Overall | 201 | 37 (18.4) | |||
| Age: (years) | |||||
| <25 | 100 (49.8) | 5 (5.0) | 23.8 | ≤0.001 | 1(r) |
| 25 and more | 101 (50.3) | 32 (31.7) | 8.8 (3.2-23.8) | ||
| Sex: | |||||
| Male | 32 (15.9) | 5 (15.6) | 0.2 | 0.7 | 1(r) |
| Female | 169 (84.1) | 32 (18.9) | 1.3 (0.5-3.5) | ||
| Marital status: | 1 (r) | ||||
| Single | 87 (43.3) | 6 (6.9) | 13.5 | ≤0.001 | 5.0 (2.0-12.7) |
| Married | 114 (56.7) | 31 (27.2) | |||
| Residence: | 1 (r) | ||||
| Rural | 140 (69.7) | 27 (19.3) | 0.2 | 0.6 | 0.8 (0.4-1.8) |
| Urban | 61 (30.4) | 10 (16.4) | |||
| Exercise: | 1 (r) | ||||
| Yes | 74 (36.8) | 7 (9.5) | 6.2 | <0.001 | 3.0 (1.2-7.1) |
| No | 127(63.2) | 30 (23.6) | |||
| Obesity: | 1 (r) | ||||
| No | 154 (76.6) | 19 (12.3) | 16.2 | ≤0.001 | 4.4 (2.1-9.4) |
| Yes | 47 (23.4) | 18 (38.3) |
COR: Crude Odds Ratio. r: Reference group. N.B. Only 4 males without VV were smokers. #Column percent