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M147 Feasibility Of Delivering An Occupational Health Intervention Aimed At Improving Work Productivity, Among Working Copd Patients
identify environmental and genetic factors associated with risk of vitamin D deficiency (25[OH]D concentration < 50 nmol/L). Results Mean serum 25(OH)D concentration was 45.4 nmol/L (SD 25.3); 171/278 (61.5%) participants were deficient. The following factors independently associated with increased risk of vitamin D deficiency: BMI >30 kg/m 2 (OR 1.87, p = 0.04) and blood draw during winter and spring seasons (OR 3.00, p < 0.01; OR 2.50, p < 0.01, respectively). The following factorsdoi:10.1136/thoraxjnl-2014-206260.442 fatcat:rjvqnhe6vramjcbk2xri2afaf4