Table 5.

Association between employment status and morbidity (n = 437).

	p	Odds ratio* (95%CI)
Self-employed category	0.01	3.45 (1.28–9.25)
Female gender	0.05	0.57 (0.33–1.00)
Age	0.02	1.04 (1.02–1.07)
Absence of stress	0.01	0.81 (0.08–0.82)

*Logistic regression analysis was used to examine the main explanatory variable, self-employed workers, adjusting for female/sex, age, and absence of stress (answered “no” to the question “do you feel stressed?”).