Univariate analysis Table 4 shows the unadjusted and adjusted odds ratios (ORs) for the associations between high psychological distress (≥ 22) and socio-demographic variables. Total count = 2760 unless otherwise given in brackets Respondents whose main source of income was from horse-related industry (unadjusted: OR = 2.19, 95% CI: 1.80-2.67; p < 0.001) were at a greater risk of high psychological distress than those whose main income was not linked to horse-related industry. chological distress as compared to those whose income was not linked to horse-related industry.