close to significancep = 0.053
Among employed participants, the OR for referral of women, compared to men, was close to significance (OR 0.58, 95% CI 0.33-1.01; p = 0.053) after adjustment for exercise test result, exertional chest pain, and age (employed participants are patients with SEI classification 11–57 for manual workers and non-manual employees, Additional file 1 ).